Đề thi thử SAT (Digital) số 2: SAT Mock Test 2

Reading and Writing: Module 1 (32 phút)

Question 1

Read the text and answer the question. Choose the best answer.

The hiking guide warned the group that the Ridgeback Trail, though only three miles long, was ______: its steep, rocky sections had led many unprepared hikers to turn back long before they reached the summit.

1. Which choice completes the text with the most logical and precise word or phrase?
   • scenic
   • crowded
   • unmarked
   • demanding

Question 2

Read the text and answer the question. Choose the best answer.

Unlike her earlier novels, which were ______ and filled with long descriptions of mountains and rivers, the author's latest book moves quickly from one event to the next and rarely pauses to describe the setting.

1. Which choice completes the text with the most logical and precise word or phrase?
   • suspenseful
   • leisurely
   • brief
   • humorous

Question 3

Read the text and answer the question. Choose the best answer.

Before investing in the new factory, the company's leaders wanted to be certain that the plan was sound. They hired a team of outside experts, who reviewed every cost estimate and production forecast and found no serious errors.

1. As used in the text, what does the word "sound" most nearly mean?
   • loud
   • reliable
   • quiet
   • healthy

Question 4

Read the text and answer the question. Choose the best answer.

Researchers were ______ by the results of their field trial. They had expected the new drought-resistant wheat to produce smaller harvests than ordinary wheat, but it actually produced larger harvests, even in years with normal rainfall.

1. Which choice completes the text with the most logical and precise word or phrase?
   • discouraged
   • indifferent
   • offended
   • astonished

Question 5

Read the text and answer the question. Choose the best answer.

Bioluminescence, the production of light by living things, is common in the deep ocean, where sunlight does not reach. Scientists have identified several purposes for this light. Some fish use glowing lures to attract prey, while some shrimp release clouds of glowing fluid to confuse predators. Other animals, such as certain jellyfish, may use flashes of light to communicate.

1. Which choice best describes the overall structure of the text?
   • It describes a scientific debate and then explains which side of the debate is correct.
   • It explains how a discovery was made and then describes the scientist who made it.
   • It defines a phenomenon and then gives examples of different ways that animals use it.
   • It compares animals in the deep ocean with animals that live near the surface.

Question 6

Read the text and answer the question. Choose the best answer.

The following text is from a story.

Jun had always thought of the noodle shop as his grandfather's place, a world of steam and clattering bowls that had nothing to do with him. But that evening, when a regular customer sat down and asked for "the usual," and Jun knew without asking what to bring, he felt a small, unexpected pride, as if the shop had quietly begun to belong to him too.

1. Which choice best states the main purpose of the text?
   • To explain how a character's grandfather first opened a noodle shop
   • To show a character's frustration with the customers of a noodle shop
   • To describe a moment when a character begins to feel connected to a place he had considered someone else's
   • To describe the dishes that are most popular at a family restaurant

Question 7

Read the text and answer the question. Choose the best answer.

Text 1

Some nutrition researchers argue that eating breakfast helps people control their weight. They point to large surveys in which adults who regularly eat breakfast weigh less, on average, than adults who regularly skip it.

Text 2

In a controlled trial, researchers randomly assigned adults either to eat breakfast every day or to skip it for sixteen weeks. At the end of the trial, the two groups showed no meaningful difference in weight change. The researchers suggest that the pattern found in surveys may reflect other habits that are common among people who eat breakfast.

1. Based on the texts, how would the researchers in Text 2 most likely respond to the argument in Text 1?
   • They would agree that breakfast helps weight control but only for adults who exercise regularly.
   • They would argue that skipping breakfast causes people to gain weight over time.
   • They would suggest that the survey results may be explained by other differences between people who eat breakfast and people who do not.
   • They would claim that the surveys described in Text 1 included too few adults to be useful.

Question 8

Read the text and answer the question. Choose the best answer.

Many people think of honey as a simple sweetener, but its ability to last is remarkable. Honey contains very little water, and it is slightly acidic. Both of these features make it difficult for bacteria and mold to grow in it. As a result, honey that is sealed and stored properly can remain safe to eat for an extremely long time.

1. Which choice best states the main idea of the text?
   • Honey is healthier than most other sweeteners because it contains very little water.
   • Honey must be stored in a sealed container or it will spoil within a few days.
   • Certain properties of honey prevent the growth of microorganisms, allowing honey to last a very long time.
   • Bacteria and mold grow more quickly in acidic foods than in other foods.

Question 9

Read the text and answer the question. Choose the best answer.

"Evening Field" is a poem by Tomas Reyna. In the poem, the speaker describes finding comfort in nature after a difficult day.

1. Which quotation from "Evening Field" most effectively illustrates the claim?
   • "When the day has worn me thin, / I walk out to the field, and the quiet grass / holds me the way an old coat does."
   • "The field was my grandfather's once, / and before that it belonged to his father."
   • "In spring the farmers plow the field in rows / as straight as lines on a page."
   • "I left the office late, and the bus was crowded, / and the rain had already begun."

Question 10

Read the text and answer the question. Choose the best answer.

Birds of one songbird species that live near busy roads sing at a higher pitch than birds of the same species that live in quiet forests. Researchers propose that the birds near roads sing higher because high-pitched songs are easier to hear over the low rumble of traffic.

1. Which finding, if true, would most directly support the researchers' proposal?
   • When recordings of traffic noise were played in a quiet forest, the birds there began singing at higher pitches.
   • Birds near roads sang more often in the morning than in the evening.
   • Birds in quiet forests had larger territories than birds living near roads.
   • Traffic on the roads was heaviest on weekday mornings.

Question 11

Read the text and answer the question. Choose the best answer.

In 2024, a city library system extended its evening hours at two of its four branches, North and South, while the other two branches kept their usual hours. A library official claims that the extended hours led to increased use of the two branches.

1. Which choice most effectively uses data from the table to support the official's claim?
   • Monthly visits to North and South rose by 1,200 and 1,300, respectively, while visits to East and West changed by no more than 300.
   • West had more monthly visits than any other branch in both 2023 and 2024.
   • Monthly visits to East decreased from 3,800 in 2023 to 3,600 in 2024.
   • Total monthly visits to all four branches were higher in 2023 than in 2024.

Question 12

Read the text and answer the question. Choose the best answer.

A forestry team compared four methods of planting trees on a cleared hillside and recorded how many of the trees were still alive after five years. The team concluded that adding a layer of mulch around the base of container-grown trees improved their survival.

1. Which choice best describes data from the graph that support the team's conclusion?
   • Direct seeding had the lowest survival rate of the four methods.
   • Container-grown trees planted with mulch had a survival rate of 88%, compared with 71% for container-grown trees planted without mulch.
   • Bare-root trees survived at a higher rate than trees grown by direct seeding.
   • More than half of the trees survived with every method except direct seeding.

Question 13

Read the text and answer the question. Choose the best answer.

Many desert plants open the tiny pores on their leaves, called stomata, only at night. Open stomata allow a plant to take in the carbon dioxide it needs, but they also allow water to escape from the plant. Because nighttime air in deserts is much cooler than daytime air, ______

1. Which choice most logically completes the text?
   • desert plants probably do not need carbon dioxide to survive.
   • plants that open their stomata at night likely lose less water than they would if they opened them during the day.
   • plants that open their stomata during the day grow more slowly in deserts than elsewhere.
   • desert plants likely take in more water through their stomata at night than during the day.

Question 14

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Historians studying the records of a nineteenth-century town found that the number of letters mailed from the town's post office tripled in the two years after a railroad station opened nearby, even though the town's population barely changed during that time. The historians suggest that ______

1. Which choice most logically completes the text?
   • many new residents moved to the town after the railroad station opened.
   • the town's post office closed soon after the railroad station opened.
   • residents stopped using the railroad within two years of the station's opening.
   • the railroad made sending mail faster or cheaper, which encouraged residents to write more letters.

Question 15

Read the text and answer the question. Choose the best answer.

Ink, the aquarium's giant Pacific ______ learned to open a screw-top jar in under a minute to reach the crab inside.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • octopus; has
   • octopus has
   • octopus: has
   • octopus, has

Question 16

Read the text and answer the question. Choose the best answer.

Some species of mushroom glow faintly in the ______ think this green light may attract insects that help spread the mushrooms' spores.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • dark, researchers
   • dark; researchers
   • dark researchers
   • dark, and, researchers

Question 17

Read the text and answer the question. Choose the best answer.

The traditional recipe calls for three main ______, saffron, and a rich chicken broth.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • ingredients; rice
   • ingredients: rice
   • ingredients rice
   • ingredients that are: rice

Question 18

Read the text and answer the question. Choose the best answer.

Architect Sena Adeyemi designs schools that rely on natural ventilation rather than air ______ buildings use tall chimneys and carefully placed windows to draw cool air through the classrooms.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • conditioning. Her
   • conditioning, her
   • conditioning her
   • conditioning; and her

Question 19

Read the text and answer the question. Choose the best answer.

The number of students enrolled in the city's after-school coding clubs ______ more than doubled since 2020.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • has
   • have
   • are
   • were

Question 20

Read the text and answer the question. Choose the best answer.

This year, the Harbor Museum of Art lent two of ______ most valuable paintings to a gallery in Seoul for a special exhibition.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • it's
   • their
   • its
   • they're

Question 21

Read the text and answer the question. Choose the best answer.

By the time the rescue team finally reached the stranded climbers, the climbers ______ on the narrow ledge for nearly two days.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • have been waiting
   • had been waiting
   • will wait
   • wait

Question 22

Read the text and answer the question. Choose the best answer.

Paper money was first used widely in China during the Song dynasty, which began in the tenth century. ______ paper money did not become common in Europe until several centuries later.

1. Which choice completes the text with the most logical transition?
   • Therefore,
   • For instance,
   • However,
   • Likewise,

Question 23

Read the text and answer the question. Choose the best answer.

Some termite species build mounds containing networks of tunnels that allow air to circulate, and the mounds stay remarkably cool even in very hot weather. ______ engineers have studied the mounds when designing buildings that use less energy for cooling.

1. Which choice completes the text with the most logical transition?
   • Nonetheless,
   • In contrast,
   • Similarly,
   • For this reason,

Question 24

Read the text and answer the question. Choose the best answer.

Learning to play chess well can take years of study and practice. The basic rules of the game, ______ can be learned in a single afternoon.

1. Which choice completes the text with the most logical transition?
   • on the other hand,
   • as a result,
   • for example,
   • in addition,

Question 25

Read the text and answer the question. Choose the best answer.

While researching a topic, a student has taken the following notes:

• The Nazca Lines are large designs made on the desert floor of southern Peru.

• They were created by removing reddish stones from the surface to reveal the lighter ground beneath.

• They include the shapes of animals such as a monkey and a hummingbird.

• Many of the designs are best seen from the air or from nearby hills.

• They are believed to have been made between about 500 BCE and 500 CE.

The student wants to explain how the Nazca Lines were made.

1. Which choice most effectively uses relevant information from the notes to accomplish this goal?
   • The Nazca Lines include the shapes of animals such as a monkey and a hummingbird.
   • Many of the Nazca Lines are best seen from the air or from nearby hills.
   • The Nazca Lines are believed to have been made between about 500 BCE and 500 CE.
   • The Nazca Lines were made by removing reddish stones from the desert surface to reveal the lighter ground beneath.

Question 26

Read the text and answer the question. Choose the best answer.

While researching a topic, a student has taken the following notes:

• Amara Osei composed River Suite in 1998.

• River Suite was written for a full orchestra.

• It was inspired by the Volta River in Ghana.

• Henrik Lund composed Fjord Pictures in 2003.

• Fjord Pictures was written for solo piano.

• It was inspired by the fjords of western Norway.

The student wants to emphasize a similarity between the two works.

1. Which choice most effectively uses relevant information from the notes to accomplish this goal?
   • Both Osei's River Suite and Lund's Fjord Pictures were inspired by bodies of water.
   • River Suite was written for a full orchestra, while Fjord Pictures was written for solo piano.
   • Osei composed River Suite in 1998, five years before Lund composed Fjord Pictures.
   • Inspired by the Volta River in Ghana, River Suite was written for a full orchestra.

Question 27

Read the text and answer the question. Choose the best answer.

While researching a topic, a student has taken the following notes:

• Tu Youyou is a Chinese pharmaceutical chemist.

• In the 1970s, she and her team isolated a substance called artemisinin from the sweet wormwood plant.

• Artemisinin is used to treat malaria.

• In 2015, Tu was awarded the Nobel Prize in Physiology or Medicine.

The student wants to introduce Tu Youyou and her discovery to an audience unfamiliar with her.

1. Which choice most effectively uses relevant information from the notes to accomplish this goal?
   • Artemisinin, which comes from the sweet wormwood plant, is used to treat malaria.
   • In 2015, Tu Youyou was awarded the Nobel Prize in Physiology or Medicine.
   • Chinese chemist Tu Youyou and her team isolated artemisinin, a substance used to treat malaria, from the sweet wormwood plant in the 1970s.
   • Tu Youyou's team isolated a substance from a plant in the 1970s.

Reading and Writing: Module 2 (32 phút)

Question 1

Read the text and answer the question. Choose the best answer.

Although the treaty was celebrated at the time as a lasting settlement between the two kingdoms, historians now regard it as ______: within a decade, nearly every one of its provisions had been ignored or reversed.

1. Which choice completes the text with the most logical and precise word or phrase?
   • unprecedented
   • ephemeral
   • contentious
   • magnanimous

Question 2

Read the text and answer the question. Choose the best answer.

The biologist's account of her experiment was notably ______. She acknowledged every limitation of the study's design, noted which results might have other explanations, and declined to claim more than her data could support.

1. Which choice completes the text with the most logical and precise word or phrase?
   • circumspect
   • grandiose
   • perfunctory
   • polemical

Question 3

Read the text and answer the question. Choose the best answer.

The reviewer's praise for the film was qualified. She admired its photography and the lead actor's performance, but she found the second half slow and the ending unconvincing.

1. As used in the text, what does the word "qualified" most nearly mean?
   • officially certified
   • highly skilled
   • limited by reservations
   • fully deserved

Question 4

Read the text and answer the question. Choose the best answer.

Far from being ______ the art world around her, the reclusive painter Margit Hollander closely followed the critical debates of her day, as the dense notes she wrote in the margins of journals and newspapers reveal.

1. Which choice completes the text with the most logical and precise word or phrase?
   • meticulous about
   • influential in
   • prolific in
   • oblivious to

Question 5

Read the text and answer the question. Choose the best answer.

Coffee plants produce caffeine in their leaves and seeds, where it is thought to discourage insects that would otherwise eat them. But caffeine also appears, in small amounts, in the nectar of coffee flowers, which seems puzzling: why would a plant place a deterrent in a reward meant for pollinators? Experiments with honeybees suggest an answer. Bees that fed on nectar containing low doses of caffeine were more likely to remember the flower's scent, which may encourage them to return to the plant.

1. Which choice best describes the overall structure of the text?
   • It presents two competing theories about a substance and then explains why both theories have been rejected.
   • It describes an experiment with honeybees and then explains how the experiment's methods could be improved.
   • It explains how a plant produces a substance and then describes how people use that substance.
   • It describes a known function of a substance, raises a question about the substance's presence in an unexpected place, and then presents a possible explanation.

Question 6

Read the text and answer the question. Choose the best answer.

The following text is from a story. Ilse, a retired violinist, is listening to a former student perform.

When the young man reached the slow movement, Ilse found herself leaning forward. He was playing it all wrong, of course: far too fast, with none of the pauses she had spent years drilling into him. And yet the audience was utterly still, and when the last note faded, Ilse realized that she had been holding her breath.

1. Which choice best states the main purpose of the text?
   • To show a character criticizing her former student in front of an audience
   • To explain why a famous violinist decided to stop performing
   • To describe an audience's disappointment with a young musician's performance
   • To show a character being deeply moved by a performance even though it departs from what she taught

Question 7

Read the text and answer the question. Choose the best answer.

Text 1

Anthropologist Ruth Ndlovu argues that many of the earliest cave paintings in Europe were made mainly to record successful hunts. She points out that the paintings frequently depict large animals that the painters' communities hunted.

Text 2

Analysis of animal bones found at several painted caves shows that the animals most often eaten by the people who used the caves were rarely the animals most often painted on the walls. At some sites, for example, reindeer bones far outnumber the bones of other animals, while horses and bison dominate the paintings.

1. Based on the texts, how would the author of Text 2 most likely respond to Ndlovu's argument in Text 1?
   • By agreeing that the paintings record hunts but disputing when the paintings were made
   • By pointing out that the animals depicted most often do not match the animals the painters' communities most often ate
   • By arguing that the painters' communities rarely hunted reindeer
   • By suggesting that the paintings were made by people who did not hunt at all

Question 8

Read the text and answer the question. Choose the best answer.

For much of the twentieth century, the dominant view among scientists was that adult human brains could not grow new neurons. Studies beginning in the 1990s, however, reported new neurons forming in adults in the hippocampus, a brain region involved in memory. More recent studies have produced conflicting results, with some finding little evidence of new neurons in the adult human hippocampus. Researchers now debate not only whether such growth occurs but also how much it might matter for memory.

1. Which choice best states the main idea of the text?
   • Whether adult human brains produce new neurons, and how important such neurons might be, remains a subject of scientific debate.
   • Studies in the 1990s proved that adult human brains continue to grow new neurons throughout life.
   • Recent studies have shown that the hippocampus is not involved in memory.
   • Scientists have abandoned the idea that new neurons could form in adult human brains.

Question 9

Read the text and answer the question. Choose the best answer.

Economist Priya Menon studied fishing communities along a stretch of coast where mobile phone service arrived gradually during the early 2000s. She hypothesizes that the spread of mobile phones increased fishers' incomes by allowing them to compare prices at several markets before choosing where to sell their catch.

1. Which finding, if true, would most directly support Menon's hypothesis?
   • Fishers who owned mobile phones reported using them mainly to talk with family members.
   • Fishers' incomes rose soon after mobile service reached their part of the coast, and the rise was largest among fishers who reported using phones to compare market prices.
   • Fish prices rose by similar amounts in parts of the coast with and without mobile service.
   • Mobile phone service reached the coast several years earlier than it reached inland villages.

Question 10

Read the text and answer the question. Choose the best answer.

The Glass Orchard is a play by Edwin Saule. In the play, the character Marta is portrayed as someone who hides her own worries in order to reassure the people around her.

1. Which quotation from The Glass Orchard most effectively illustrates the claim?
   • Marta: "I told you last spring that this would happen, and not one of you listened to me."
   • Marta (alone, pacing the kitchen): "If the frost takes the orchard, what will any of us do?"
   • Marta (smiling, though her hands are trembling): "Don't fret, any of you. The frost will pass, and the trees will be fine."
   • Marta: "Let's go inside. There is soup on the stove, and it is getting cold."

Question 11

Read the text and answer the question. Choose the best answer.

Researchers assigned groups of adult learners to practice with a language-learning app for different amounts of time each day for three months, then measured how much each group's test scores improved. The researchers concluded that the benefit of additional practice eventually levels off: ______

1. Which choice most effectively uses data from the table to complete the statement?
   • learners who practiced 60 minutes per day had the largest average score gain of any group.
   • learners who practiced 5 minutes per day had an average score gain of 4 points.
   • doubling daily practice from 30 to 60 minutes raised the average score gain by only 1 point, while doubling it from 15 to 30 minutes raised the gain by 7 points.
   • tripling daily practice from 5 to 15 minutes nearly tripled the average score gain.

Question 12

Read the text and answer the question. Choose the best answer.

An ecologist measured the share of flowers visited by wild bees on farms at different distances from the edge of a forest where the bees nest. She notes that visits do not decline evenly with distance; instead, they drop most sharply between 200 and 400 meters from the forest.

1. Which choice best describes data from the graph that support the ecologist's point?
   • The percentage of flowers visited fell from 74% at the forest edge to 27% at 800 meters.
   • The percentage of flowers visited fell from 41% at 400 meters to 33% at 600 meters, the largest drop shown.
   • The percentage of flowers visited at 200 meters was nearly as high as the percentage at the forest edge.
   • The percentage of flowers visited fell from 66% at 200 meters to 41% at 400 meters, a larger drop than between any other pair of neighboring distances.

Question 13

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Ice cores drilled from Antarctic glaciers contain tiny bubbles of air that were trapped as layers of snow were compressed into ice. Because scientists can determine when each layer of ice formed, they can measure the gases in the bubbles to learn about Earth's past atmosphere. Air, however, can keep moving through the loosely packed snow near the surface for many years before the bubbles are finally sealed off. Therefore, the air in a bubble is likely ______

1. Which choice most logically completes the text?
   • somewhat older than the ice that surrounds it.
   • exactly the same age as the layer of ice directly above it.
   • unrelated to the atmosphere at any point in Earth's past.
   • somewhat younger than the ice that surrounds it.

Question 14

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In a study of reading habits, researchers found that children with many books at home scored higher on reading tests than children with few books at home. However, when the researchers compared only children from households with similar incomes and similar levels of parental education, the difference in scores became much smaller. This finding suggests that ______

1. Which choice most logically completes the text?
   • some of the original difference in scores may be explained by factors related to income and parental education rather than by the books alone.
   • having books at home has no effect at all on children's reading test scores.
   • children from households with higher incomes read fewer books than other children do.
   • parental education matters more than income in determining how many books a household owns.

Question 15

Read the text and answer the question. Choose the best answer.

Many early astronomers believed that comets were weather events in Earth's upper ______ 1577, Tycho Brahe's careful measurements showed that a bright comet was far more distant than the Moon.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • atmosphere, however, in
   • atmosphere; however, in
   • atmosphere however in
   • atmosphere, however; in

Question 16

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In 1993, American ______ Morrison became the first Black woman to win the Nobel Prize in Literature.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • novelist, Toni
   • novelist Toni
   • novelist: Toni
   • novelist; Toni

Question 17

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The expedition's success depended on three factors: favorable weather, which arrived later than ______ support of local guides, who knew every mountain pass; and a great deal of luck.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • expected, the
   • expected: the
   • expected; the
   • expected the

Question 18

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The glassblower's technique, which she learned from her grandfather in ______ been passed down in her family for four generations.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • Murano, Italy, has
   • Murano, Italy has
   • Murano Italy, has
   • Murano; Italy, has

Question 19

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Among the most unusual items in the museum's collection ______ a set of chess pieces carved from walrus ivory and a map drawn on a sheet of birch bark.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • is
   • are
   • was
   • has been

Question 20

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The new safety policy requires every laboratory employee to complete a training course, ______ protective equipment at all times, and report any hazards to a supervisor.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • wearing
   • to have worn
   • wore
   • wear

Question 21

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If the old footbridge ______ built with steel cables instead of iron chains, it might have survived the storm that destroyed it in 1879.

1. Which choice completes the text so that it conforms to the conventions of Standard English?
   • had been
   • was
   • has been
   • would be

Question 22

Read the text and answer the question. Choose the best answer.

When it was first published, critics dismissed the novel as a minor work, too strange and too difficult to attract many readers. ______ it has since been translated into more than forty languages and is now taught in schools around the world.

1. Which choice completes the text with the most logical transition?
   • Thus,
   • Likewise,
   • Yet
   • Specifically,

Question 23

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Large volcanic eruptions can temporarily cool the planet. When such a volcano erupts, it can send sulfur gases high into the atmosphere, where they form tiny droplets that reflect sunlight back into space. ______ after Mount Pinatubo in the Philippines erupted in 1991, average global temperatures fell by about 0.5°C over the following year.

1. Which choice completes the text with the most logical transition?
   • For example,
   • Nevertheless,
   • In comparison,
   • Even so,

Question 24

Read the text and answer the question. Choose the best answer.

The museum's director had hoped that the new wing would attract younger visitors, and attendance among visitors under thirty did rise during the wing's first year. ______ most of that increase came from a single free concert, and attendance among younger visitors fell back to its earlier level the following year.

1. Which choice completes the text with the most logical transition?
   • However,
   • Consequently,
   • Indeed,
   • In other words,

Question 25

Read the text and answer the question. Choose the best answer.

While researching a topic, a student has taken the following notes:

• Researchers studied how quickly plastic bags break down in different environments.

• They tested bags labeled "biodegradable," bags labeled "compostable," and ordinary plastic bags.

• After three years buried in soil or submerged in seawater, bags labeled "biodegradable" could still hold a full load of groceries.

• Bags labeled "compostable" disappeared from seawater within three months.

The student wants to emphasize a surprising result about the bags labeled "biodegradable."

1. Which choice most effectively uses relevant information from the notes to accomplish this goal?
   • Researchers tested bags labeled "biodegradable," bags labeled "compostable," and ordinary plastic bags.
   • Bags labeled "compostable" disappeared from seawater within three months.
   • Even after three years in soil or seawater, bags labeled "biodegradable" could still hold a full load of groceries.
   • Researchers studied how quickly plastic bags break down in different environments.

Question 26

Read the text and answer the question. Choose the best answer.

While researching a topic, a student has taken the following notes:

• Scientists have long debated why many large birds fly in V formations.

• One explanation is that the formation saves energy, because each bird can catch rising air from the wingtip of the bird ahead of it.

• Another explanation is that the formation helps birds see one another and stay coordinated.

• A 2014 study of ibises found that birds positioned themselves to catch rising air from the bird ahead.

The student wants to contrast the two explanations for V formations.

1. Which choice most effectively uses relevant information from the notes to accomplish this goal?
   • A 2014 study of ibises found that birds positioned themselves to catch rising air from the bird ahead.
   • While one explanation holds that the V formation saves energy by letting birds catch rising air from those ahead, another holds that it helps birds see one another and stay coordinated.
   • Scientists have long debated why many large birds fly in V formations, a question with more than one possible answer.
   • The V formation may save energy, as a 2014 study of ibises suggests.

Question 27

Read the text and answer the question. Choose the best answer.

While researching a topic, a student has taken the following notes:

• The Rosetta Stone was found in 1799 near the town of Rashid, also called Rosetta, in Egypt.

• It carries the same official decree written in three scripts: hieroglyphic, Demotic, and ancient Greek.

• Scholars at the time could already read ancient Greek.

• In 1822, Jean-François Champollion announced that he had deciphered Egyptian hieroglyphs.

The student wants to explain why the stone helped scholars decipher hieroglyphs.

1. Which choice most effectively uses relevant information from the notes to accomplish this goal?
   • Found in 1799 near Rashid, Egypt, the Rosetta Stone carries a decree written in three scripts.
   • In 1822, Jean-François Champollion announced that he had deciphered Egyptian hieroglyphs.
   • Because the stone carries the same decree in hieroglyphic, Demotic, and ancient Greek, scholars who could read Greek were able to compare it with the hieroglyphs.
   • Scholars could already read ancient Greek when the Rosetta Stone was found in 1799.

Math: Module 1 (35 phút)

Question 1

Solve the problem and choose the best answer. A calculator is allowed.

1. If 6x + 5 = 41, what is the value of x?
   • 4
   • 6
   • 7
   • 36

Question 2

Solve the problem and choose the best answer. A calculator is allowed.

1. In a class of 30 students, 40% of the students walk to school. How many students in the class walk to school?
   • 10
   • 12
   • 18
   • 20

Question 3

Solve the problem and choose the best answer. A calculator is allowed.

1. Two angles are supplementary. If one of the angles measures 128°, what is the measure of the other angle?
   • 28°
   • 42°
   • 52°
   • 62°

Question 4

Solve the problem and choose the best answer. A calculator is allowed.

1. Which expression is equivalent to 3x(x - 4) + 2x?
   • 3x^2 - 14x
   • 3x^2 - 12x + 2
   • 5x^2 - 12x
   • 3x^2 - 10x

Question 5

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. The function g is defined by g(x) = 5x + 2. If g(a) = 37, what is the value of a?

Question 6

Solve the problem and choose the best answer. A calculator is allowed.

1. A gym charges a one-time membership fee of $50 plus $30 per month. Which equation gives the total cost C, in dollars, of a membership for m months?
   • C = 80m
   • C = 50m + 30
   • C = 30m + 50
   • C = 30m - 50

Question 7

Solve the problem and choose the best answer. A calculator is allowed.

1. What is the median of the data set 12, 3, 9, 15, 6, 10?
   • 9
   • 9.5
   • 10
   • 11

Question 8

Solve the problem and choose the best answer. A calculator is allowed.

1. What are all the solutions to the equation x^2 - 16 = 0?
   • x = 4 only
   • x = 16 only
   • x = -8 and x = 8
   • x = -4 and x = 4

Question 9

Solve the problem and choose the best answer. A calculator is allowed.

1. At what point does the graph of y = -3x + 6 cross the x-axis?
   • (-2, 0)
   • (0, 6)
   • (2, 0)
   • (6, 0)

Question 10

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. A right triangle has legs of lengths 5 and 12. What is the length of the hypotenuse?

Question 11

Solve the problem and choose the best answer. A calculator is allowed.

1. The function f is defined by f(x) = 3^x. What is the value of f(4)?
   • 12
   • 27
   • 64
   • 81

Question 12

Solve the problem and choose the best answer. A calculator is allowed.

1. y = 2x + 1 y = -x + 7 What is the solution (x, y) to the system of equations above?
   • (2, 5)
   • (3, 4)
   • (5, 2)
   • (1, 3)

Question 13

Solve the problem and choose the best answer. A calculator is allowed.

1. A car travels at a constant speed of 60 miles per hour. How many miles does the car travel in 45 minutes?
   • 30
   • 40
   • 45
   • 50

Question 14

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. If x^2 + 6x + 9 = 25 and x > 0, what is the value of x?

Question 15

Solve the problem and choose the best answer. A calculator is allowed.

1. Which of the following values of x satisfies the inequality -4x + 3 ≤ -9?
   • -4
   • 0
   • 2
   • 3

Question 16

Solve the problem and choose the best answer. A calculator is allowed.

1. The function p is defined by p(x) = (x - 1)(x + 5). At which values of x does the graph of y = p(x) cross the x-axis?
   • x = -1 and x = 5
   • x = 1 and x = -5
   • x = 1 and x = 5
   • x = -1 and x = -5

Question 17

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. In a random survey of 80 residents of a town, 28 said they prefer tea to coffee. Based on the survey, about how many of the town's 12,000 residents would be expected to prefer tea to coffee?

Question 18

Solve the problem and choose the best answer. A calculator is allowed.

1. What is the area of a circle with a diameter of 10 centimeters?
   • 10(pi) square centimeters
   • 20(pi) square centimeters
   • 25(pi) square centimeters
   • 100(pi) square centimeters

Question 19

Solve the problem and choose the best answer. A calculator is allowed.

1. The number of pages P that Ana still has to read in a book d days after she starts is given by P = 320 - 40d. What is the best interpretation of 320 in this context?
   • The number of pages in the book before Ana begins reading
   • The number of pages Ana reads each day
   • The number of days it takes Ana to finish the book
   • The number of pages left after Ana reads for one day

Question 20

Solve the problem and choose the best answer. A calculator is allowed.

1. Which expression is equivalent to (x^3)(x^4)/x^2, where x is not 0?
   • x^5
   • x^6
   • x^10
   • x^12

Question 21

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. If 3(2x - 1) - 2(x + 4) = 9, what is the value of x?

Question 22

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. The length of a rectangle is 3 centimeters longer than its width. The area of the rectangle is 70 square centimeters. What is the width of the rectangle, in centimeters?

Math: Module 2 (35 phút)

Question 1

Solve the problem and choose the best answer. A calculator is allowed.

1. Line l is perpendicular to the line y = (2/5)x - 3 and passes through the point (4, 1). Which equation defines line l?
   • y = (2/5)x - 3/5
   • y = (5/2)x - 9
   • y = -(5/2)x + 1
   • y = -(5/2)x + 11

Question 2

Solve the problem and choose the best answer. A calculator is allowed.

1. After a 30% discount, the price of a shirt is $42. What was the price of the shirt before the discount?
   • $54.60
   • $56.00
   • $60.00
   • $72.00

Question 3

Solve the problem and choose the best answer. A calculator is allowed.

1. If x > 0 and x^2 - 2x - 35 = 0, what is the value of x + 5?
   • 2
   • 7
   • 10
   • 12

Question 4

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. The sum of two numbers is 54. The larger number is 6 more than twice the smaller number. What is the larger number?

Question 5

Solve the problem and choose the best answer. A calculator is allowed.

1. In right triangle ABC, angle C is the right angle and cos(A) = 0.6. What is the value of sin(B)?
   • 0.4
   • 0.6
   • 0.8
   • 1.25

Question 6

Solve the problem and choose the best answer. A calculator is allowed.

1. The population of a town is 8,000 and is decreasing by 12% each year. Which function gives the population P of the town t years from now?
   • P(t) = 8,000(0.88)^t
   • P(t) = 8,000(0.12)^t
   • P(t) = 8,000(1.12)^t
   • P(t) = 8,000 - 0.12t

Question 7

Solve the problem and choose the best answer. A calculator is allowed.

1. 2x + 3y = 12 6x + ky = 36 In the system of equations above, k is a constant. For what value of k does the system have infinitely many solutions?
   • 3
   • 6
   • 9
   • 12

Question 8

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. The data set 4, 8, x, 10, 12 has a mean of 9. What is the value of x?

Question 9

Solve the problem and choose the best answer. A calculator is allowed.

1. Which expression is equivalent to 1/(x - 1) - 1/(x + 1), where x is not 1 or -1?
   • 0
   • 2x/(x^2 - 1)
   • 2/(x^2 - 1)
   • -2/(x^2 - 1)

Question 10

Solve the problem and choose the best answer. A calculator is allowed.

1. A train travels 240 kilometers at a constant speed. If the train's speed had been 20 kilometers per hour faster, the trip would have taken 1 hour less. What was the train's speed, in kilometers per hour?
   • 40
   • 60
   • 80
   • 100

Question 11

Solve the problem and choose the best answer. A calculator is allowed.

1. A circle has a radius of 9 centimeters. What is the length of an arc of the circle intercepted by a central angle of 120°?
   • 3(pi) centimeters
   • 6(pi) centimeters
   • 9(pi) centimeters
   • 27(pi) centimeters

Question 12

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. The graph of y = x^2 - 6x + k, where k is a constant, intersects the x-axis at exactly one point. What is the value of k?

Question 13

Solve the problem and choose the best answer. A calculator is allowed.

1. The table shows the results of a survey of 250 adults about their preferred form of exercise, by age group. If a person who prefers swimming is selected at random, what is the probability that the person is 35 years old or older?
   • 6/25
   • 2/5
   • 1/2
   • 2/3

Question 14

Solve the problem and choose the best answer. A calculator is allowed.

1. If (3x - 2)/4 = (x + 5)/3, what is the value of x?
   • 2
   • 14/5
   • 26/5
   • 7

Question 15

Solve the problem and choose the best answer. A calculator is allowed.

1. If 2^(x + 3) = 32, what is the value of 2^(x - 1)?
   • 1
   • 2
   • 4
   • 8

Question 16

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. A cube has a total surface area of 150 square inches. What is the volume of the cube, in cubic inches?

Question 17

Solve the problem and choose the best answer. A calculator is allowed.

1. y = x^2 - 4x + 1 y = 2x - 8 How many solutions does the system of equations above have?
   • Zero
   • Exactly one
   • Exactly two
   • Infinitely many

Question 18

Solve the problem and choose the best answer. A calculator is allowed.

1. A caterer must make at least 120 sandwiches for an event. Turkey sandwiches cost $3 each to make, and vegetable sandwiches cost $2 each. The caterer can spend at most $300. If t is the number of turkey sandwiches and v is the number of vegetable sandwiches, which system of inequalities represents this situation?
   • t + v ≤ 120 and 3t + 2v ≥ 300
   • t + v ≥ 120 and 2t + 3v ≤ 300
   • 3t + 2v ≥ 120 and t + v ≤ 300
   • t + v ≥ 120 and 3t + 2v ≤ 300

Question 19

Solve the problem and choose the best answer. A calculator is allowed.

1. Researchers randomly assigned 200 adult volunteers to one of two groups. One group used a new sleep app for a month and the other did not. The group that used the app reported significantly more sleep on average. Which conclusion is best supported by the study?
   • The app causes an increase in sleep for all adults.
   • The app is likely to cause an increase in sleep for adults similar to the volunteers.
   • No conclusion about cause can be drawn because the groups were randomly assigned.
   • Adults who sleep more are more likely to use a sleep app.

Question 20

Solve the problem and choose the best answer. A calculator is allowed.

1. A circle in the xy-plane has its center at (3, -2) and passes through the point (7, 1). Which equation defines the circle?
   • (x - 3)^2 + (y + 2)^2 = 5
   • (x + 3)^2 + (y - 2)^2 = 25
   • (x - 3)^2 + (y + 2)^2 = 25
   • (x - 7)^2 + (y - 1)^2 = 25

Question 21

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. The function f is defined by f(x) = (x + a)(x - 4), where a is a constant. The vertex of the graph of y = f(x) has an x-coordinate of 1. What is the value of f(0)?

Question 22

Solve the problem and enter your answer. If you find more than one correct answer, enter only one. Enter a fraction as a/b or a decimal with a point; do not enter units, commas or percent signs unless shown.

1. In the xy-plane, the line with equation ax + 3y = 12, where a is a constant, is parallel to the line that passes through the points (1, 2) and (4, -4). What is the value of a?