Tüm alıştırma soruları

During the excavation of the ancient Roman villa, archaeologists discovered a cache of intricate, silver coins, they immediately cataloged the artifact details and photographed each piece.

Which option best replaces the underlined portion of the sentence?

Crows are remarkably intelligent birds capable of solving complex, multi-step puzzles. [1] Consequently, they have been observed using twigs to extract insects from deep crevices in tree bark, demonstrating advanced tool-use abilities.

Which choice provides the most logical transition from the preceding sentence?

The following is an excerpt from an essay about geological discoveries.

[1]
__________________________________________________ Prior to Danish seismologist Inge Lehmann's groundbreaking publication in 1936, scientists believed that the Earth's core was a single, uniform liquid sphere. By analyzing seismic waves from a major earthquake in New Zealand, Lehmann observed that some P-waves were unexpectedly deflected, or diffracted, deep within the Earth. She reasoned that this deflection could only be caused by a distinct, solid inner core nested inside the liquid outer core. Her hypothesis was eventually confirmed by more advanced instruments, redefining the field of seismology.

Which choice provides the most effective introduction to the paragraph?

Passage

In 1965, chemist Stephanie Kwolek was analyzing synthetic fiber chains at DuPont in search of a lightweight material to reinforce car tires. During her experiments, she generated a strange, cloudy solution that looked unlike the thick, clear polymers she typically worked with. Rather than discarding the unusual mixture, Kwolek convinced a colleague to run it through a spinneret, a machine used to draw liquid polymers into fibers. The resulting fiber was astonishingly strong—five times stronger than steel on a pound-for-pound basis—and resistant to both heat and corrosion. [1]

DuPont quickly recognized the commercial potential of this new material, trademarking it as Kevlar. In the decades following Kwolek's discovery, Kevlar found applications in racing sails, bicycle tires, and optical fiber cables. Most notably, its high tensile strength and lightweight nature revolutionized personal armor, saving the lives of countless military personnel and law enforcement officers.

Question

The writer wants to add a sentence at the end of the first paragraph (at point [1]) to conclude the discussion of Kwolek’s laboratory discovery and transition to the next paragraph's focus on Kevlar's commercial applications. Which of the following sentences best accomplishes this goal?

The following paragraphs are from an essay about linguistic relativity and spatial orientation.

Paragraph 1
Many cognitive scientists once believed that human spatial orientation was universally egocentric, relying on self-centered coordinates such as 'left,' 'right,' 'front,' and 'back.' However, research on the Guugu Yimithirr language of northeastern Australia challenged this assumption. Guugu Yimithirr speakers do not use relative spatial terms; instead, they rely entirely on absolute cardinal directions—north, south, east, and west—to describe the position of everything, from geographic landmarks to minor household objects. This requires them to maintain a constant, subconscious awareness of their geographic orientation, effectively keeping a running compass in their minds at all times.

Paragraph 2
[1] This cognitive difference manifested in how speakers of different languages describe everyday, local spaces. For example, if an English speaker wants another person to move a cup on a table, they might say, 'Move it a bit to your left.' In contrast, a Guugu Yimithirr speaker would say the equivalent of, 'Move it a bit to the north-northwest.' If the listener turned around, the English speaker's instructions would have to change to remain accurate, but the Guugu Yimithirr speaker's directions would remain exactly the same.

Which choice provides the most effective transition from the preceding paragraph?

[1]
__________________________________________________

[2] While working with Charles Babbage on his plans for the Analytical Engine, a mechanical general-purpose computer, Lovelace translated an article by Italian military engineer Luigi Menabrea. [3] In her translation, which she expanded with an extensive set of notes, she described an algorithm for the Analytical Engine to compute Bernoulli numbers. [4] This algorithm is now widely recognized as the world's first computer program, demonstrating that Lovelace foresaw the machine's capability to process symbolic representations beyond mere numerical calculation.

The writer is considering adding a sentence at the beginning of the passage (before Sentence 2) to introduce the main thesis of the essay. Which of the following sentences would best accomplish this goal?

The following paragraphs are from an essay about the decipherment of Mayan hieroglyphs. Arrange the paragraphs in the most logical order to create a cohesive passage.

In the late nineteenth century, socialite Josephine Cochrane grew frustrated with the frequent chipping of her fine china during hand-washing. Resolving to design a mechanical solution, she measured her dishes, constructed wire compartments to hold them secure, and coupled these with a copper boiler and a hand-cranked water pump. Her invention was a success, washing dishes quickly and safely. Cochrane’s design was patented in 1886 and went on to win top honors at the 1893 World's Columbian Exposition.

At first, the commercial dishwasher found its primary market in hotels and restaurants, which valued the machine’s efficiency and sanitation capabilities. However, Cochrane continued to refine her design, envisioning a future where every home would have one. [1]

Which of the following sentences, if added at point [1], would provide the most logical transition and effective conclusion to the passage?

The following is an excerpt from an essay about eighteenth-century zoology.

[1]
_____________________. When the first specimen arrived in England from Australia in 1799, British naturalists were convinced it was a clever hoax. George Shaw, the keeper of natural history at the British Museum, even used a pair of scissors to inspect the dried pelt, searching for the stitches he assumed were binding a duck’s bill to a beaver-like body. However, as more specimens arrived, scientists had to accept that this bizarre creature, with its webbed feet, fur, and venomous spurs, was indeed real.

Which choice most effectively introduces the paragraph and establishes the main topic of the passage?

For centuries, travelers in deep forests have reported witnessing an eerie, soft green glow emanating from decaying wood. Known colloquially as "foxfire," this natural phenomenon is caused by bioluminescent fungi that produce light through a chemical reaction. While researchers have long understood the chemical basis of this glow, they struggled to explain its evolutionary purpose, questioning why a fungus would expend valuable energy to shine in the dark.

[1]

A team of researchers discovered that the green light attracts nocturnal insects, such as beetles, flies, and wasps. These insects crawl over the glowing mushrooms, inadvertently collecting spores on their bodies, and subsequently distribute them throughout the forest floor. By shining in the night, the fungi ensure the dispersal of their offspring.

Which choice provides the most effective transition from the preceding paragraph to the paragraph that follows?

[1]
In 1957, engineers Alfred Fielding and Marc Chavannes set out to create a three-dimensional textured wallpaper. By sealing two plastic shower curtains together, they trapped small pockets of air to create the desired texture. Unfortunately, this wallpaper design failed to attract buyers, leaving the inventors with a product but no market.

[2]
A few years later, in 1959, IBM announced the launch of its new 1401 computer, a delicate piece of electronic equipment that needed protective packaging during shipping. Fielding and Chavannes realized that their air-filled plastic sheets were perfect for protecting fragile items during transit. They pitched their product to IBM, which began using it to wrap their computers, launching the brand we now know as Bubble Wrap.

[3]
Today, Bubble Wrap is a staple of shipping departments and packing boxes worldwide, manufactured in multiple countries and generating millions in annual revenue. What started as a home decor failure became a packaging triumph, demonstrating how a change in perspective can transform a simple idea.

[4]
Hoping to salvage their invention, the pair began searching for alternative uses for their bubbly plastic sheets. They first marketed it as greenhouse insulation, but that idea also failed to gain traction.

To make the essay flow most logically, where should Paragraph 4 be placed?

In the late nineteenth century, Thomas Edison's phonograph introduced the wax cylinder, the first commercial medium for recording and reproducing sound. These fragile cylinders captured invaluable early musical performances, spoken-word recordings, and oral histories. However, because wax degrades rapidly when exposed to humidity and physical playback wears down the grooves, playing these recordings carries a high risk of destroying them forever.

To solve this, researchers developed IRENE, a non-contact optical scanning system that creates ultra-high-resolution digital images of the cylinders' grooves. Software then reconstructs the audio from these digital maps, bypassing the need for physical contact. [1] This non-contact system, that utilizes digital photography, will preserve the fragile cylinders for future generations.

Which choice most effectively concludes the paragraph by emphasizing how the digital scanning technology solves the problem of preserving fragile historical recordings?

A writer is editing a draft of an essay about the discovery of the coelacanth.

In 1938, Marjorie Courtenay-Latimer, a South African museum curator, discovered an unusual fish among the catch of a local trawler. Recognizing its unique features—including lobed fins that resembled limbs—she contacted ichthyologist J.L.B. Smith to help identify it. Smith recognized the specimen as a coelacanth, a member of a lineage believed to have gone extinct 66 million years ago. [1] Prior to this discovery, scientists had only studied the prehistoric fish through fossilized remains. The find, often referred to as the 'living fossil' discovery, completely reshaped scientific understanding of vertebrate evolution.

At this point, the writer is considering adding the following true statement:

Fossils are formed when organic material is slowly replaced by minerals over millions of years.

Should the writer make this addition at point [1]?

The following paragraphs are from an essay about a major marine science breakthrough. For the sake of the logic and cohesion of this essay, arrange the paragraphs in the most logical order.

The following paragraphs are from an essay about the construction of the Eddystone Lighthouse and the development of modern cement. To make the essay most logical and cohesive, in what order should the paragraphs be arranged?

Created in the early 1830s, *The Great Wave off Kanagawa* is one of the most recognizable works of Japanese art. The woodblock print, which depicts three boats navigating a towering wave, features the iconic Prussian blue pigment. This masterpiece helped secure Hokusai's legacy as a pioneer in landscape composition.

Which of the following options correctly punctuates the underlined portion of the sentence?

The following paragraphs are from an essay about the decipherment of the ancient Maya hieroglyphic script. Arrange the paragraphs in the most logical order to create a cohesive passage.

[1] __________________________________________________

[2] In 1964, radio astronomers Arno Penzias and Robert Wilson were employing an ultra-sensitive horn antenna at Bell Laboratories to analyze radio signals from the spaces between galaxies. However, their measurements were repeatedly disrupted by a persistent, low-frequency buzz that registered in their receiver. Despite washing the antenna, evicting a nesting pair of pigeons, and rebuilding the electrical components, the static remained completely unchanged. This mysterious hiss, which was eventually recognized as the cosmic microwave background radiation, provided the first concrete evidence of the Big Bang, transforming our understanding of the universe's origin.

Which choice most effectively introduces the passage by establishing its central focus on how a major cosmological breakthrough arose from an unexpected experimental obstacle?

The writer wants to add the following sentence to the paragraph:

'After completing this initial step, they activated a digital timer to measure the speed of the dye's expansion.'

[1] To begin the experiment, the researchers placed a single drop of the blue dye onto the agar plate. [2] The solution immediately began to spread outward in a concentric circle. [3] Within minutes, the dye had completely disappeared, leaving the gel clear once again. [4] This rapid absorption surprised the team, who had expected the process to take much longer.

To make the paragraph most logical, where should this sentence be placed?

Ada Lovelace was a pioneering nineteenth-century mathematician who is widely celebrated for writing the world's first computer algorithm. [1] For example, she did not live to see a physical machine run her code, as the Analytical Engine was never completed during her lifetime.

Which choice provides the most logical transition between the first and second sentences?