All practice questions

In 1964, inventor Douglas Engelbart designed the first computer mouse, which was a simple device carved out of a block of pine wood. The device featured a single red button on top and two metallic wheels on the bottom that tracked movement. Because of the fact that it was made of wood, it was remarkably durable, though it looked very different from modern plastic mice.

Which choice most effectively and concisely expresses the underlined portion of the sentence?

The passage below contains a non-essential modifier. Which punctuation mark should be placed in the blank to ensure the sentence is punctuated correctly?

The museum's new exhibit features several interactive displays that are designed for visitors to interact with, allowing children and adults to learn through play.

Which of the following is the best choice for the underlined portion of the sentence?

Read the passage below. Identify the most precise and contextually appropriate verb to fill the blank, maintaining the formal, academic register of the passage.

To construct the massive dome of the Florence Cathedral, Filippo Brunelleschi devised ingenious hoisting machines driven by oxen. These custom-built devices allowed workers to lift multi-ton stone beams hundreds of feet in the air with unprecedented efficiency. By utilizing a complex system of gears and reversible clutches, Brunelleschi managed to pull off a seemingly impossible engineering feat without the use of traditional scaffolding.

Which of the following choices best maintains the tone established in the passage?

[1] During the American Civil War, reporters relied heavily on the newly invented telegraph to send breaking news from the battlefield back to their editors. [2] However, these communication lines were highly vulnerable to physical disruption, frequently failing mid-transmission due to storms or enemy action. [3] This new technique placed the most essential information—the who, what, where, and when—at the very beginning of the story. [4] Today, this structural approach remains the standard format for news writing across the globe.

For the sake of logic and cohesion, the following sentence should be added to the paragraph:

"To overcome this technical vulnerability, writers began prioritizing the most critical facts over chronological narratives."

Where is the most logical placement for this sentence?

Although the newly developed quantum processor is capable to simulate complex molecular interactions in seconds, researchers must still rely on classical supercomputers to verify the accuracy of the outputs.

Which of the following options is the most appropriate replacement for the underlined portion?

Although the restoration team worked diligently to preserve the medieval fresco, they could not halt the natural degradation of the plaster. The damp climate of the cathedral accelerated this decay, which was a process that progressively worsened and deteriorated the artwork over time.

Which choice best completes the sentence without redundancy or grammatical error?

[1] In 1977, oceanographers aboard the research submersible *Alvin* made a startling discovery at the bottom of the Pacific Ocean: deep-sea hydrothermal vents spewing superheated, mineral-rich water. [2] Prior to this mission, scientists believed that all marine life depended, directly or indirectly, on sunlight for energy. [3] Yet, around these pitch-black vents, researchers found thriving ecosystems teeming with giant tube worms, ghost-white crabs, and unique species of clams. [4] These organisms did not rely on photosynthesis; instead, they survived on energy generated by chemosynthetic bacteria that converted toxic hydrogen sulfide from the vents into organic matter. [5] This discovery challenged the long-held scientific assumption that light was the sole foundation of all life on Earth.

The writer is considering deleting Sentence 4 from the passage. Should the sentence be kept or deleted?

Although the remote island had been mapped by early cartographers, it remained largely devoid in human settlement until the mid-nineteenth century, when a group of researchers established a permanent weather station.

Which of the following is the best choice for the underlined portion in the sentence above?

Until the late 1970s, scientists believed that all life on Earth ultimately depended on sunlight for energy through photosynthesis. This view was challenged in 1977 when researchers exploring the Galápagos Rift discovered thriving ecosystems surrounding hydrothermal vents on the ocean floor. Under high pressure and in complete darkness, these communities were completely cut off from the sun. <u>Consequently,</u> they relied on chemosynthesis, a process in which specialized bacteria convert toxic chemicals from the vents into usable energy.

Which of the following choices provides the most logical transition at the underlined portion?

The following paragraph contains numbered sentences.

[1] For decades, scholars believed that the Maya hieroglyphs carved into stone monuments represented only abstract ideas or astronomical calculations. [2] This consensus began to shift in the late 1950s due to the meticulous work of Tatiana Proskouriakoff, an art historian and architect. [3] By analyzing the repeating patterns of glyphs alongside the dates inscribed on the monuments, she made a groundbreaking discovery. [4] She proposed that the carvings actually recorded the historical lives, reigns, and dynasties of Maya rulers. [5] Proskouriakoff's historical approach revolutionized the field of Mesoamerican archaeology, transforming monuments from mere calendars into rich historical records.

For the sake of the logic and coherence of the paragraph, where is the best place to insert the following sentence?

"Specifically, she realized that the intervals between these dates closely corresponded to the typical length of a human lifespan."

Urban agriculture projects have transformed vacant city lots into productive green spaces. These community gardens not only provide fresh produce to local neighborhoods but also foster social cohesion. Supporters argue that these initiatives do a great job of helping urban residents connect with nature.

Which choice best maintains the tone established in the passage?

What is the value of the expression $\frac{3 \times 4^2 - 2 \times (5 - 8)^2}{2 - (-2)^3}$?

In 1915, mathematician Emmy Noether formulated a theorem that fundamentally altered the landscape of theoretical physics. Noether’s theorem proved that every differentiable symmetry of the action of a physical system has a corresponding conservation law. For instance, rotational symmetry—the fact that physical laws do not change regardless of spatial orientation—[underlies the conservation of angular momentum, which is a principle that is clearly demonstrated and shown when a spinning skater draws in her arms to rotate at a faster rate of speed].

Which choice most effectively eliminates wordiness and redundancy in the underlined portion of the passage?

Passage Excerpt:

The Svalbard Global Seed Vault is located deep within a mountain on a remote Arctic island. [1] The facility secures millions of crop seeds from around the world, safeguarding global biodiversity against catastrophic loss.

The writer wants to add a phrase at the beginning of the second sentence (replacing '[1]') to highlight the vault's geological stability and natural security. Which choice best accomplishes this goal?

Consider the following passage:

In 1948, a graduate student overheard a supermarket executive asking a university dean to develop a system that could automatically capture product information at checkout. Inspired by this conversation, Norman Joseph Woodland and Bernard Silver set to work on a solution. Woodland eventually created the first barcode by drawing lines in the sand on a Miami beach, extending the dots and dashes of Morse code into vertical shapes. It was in the year 1974 that the very first commercial scan of this new barcode system was finally performed and carried out on a pack of chewing gum in Ohio.

Which choice best minimizes wordiness while maintaining the meaning and grammatical correctness of the sentence?

The Brooklyn Bridge, completed in 1883, was a triumph of nineteenth-century engineering. For years, commuters had relied on slow ferries to cross the East River between Brooklyn and Manhattan. The new bridge dramatically sliced the travel time, allowing thousands of people to cross safely each day.

Which choice most precisely and clearly completes the sentence?

What is the value of the expression $\frac{18 - 3 \times 4}{|-2| + 1}$?

In their study of cognitive bias, the researchers observed that participants frequently relied on heuristics to navigate complex decisions. Under time pressure, individuals systematically favored immediate, familiar options rather than engaging in the laborious task of processing alternative outcomes. Consequently, these subjects fell back on cognitive shortcuts that sacrificed precision for speed.

Which choice best maintains the academic and objective tone established in the passage?