Tüm alıştırma soruları

The following paragraphs are from a draft of an essay about the invention of the windshield wiper. Arrange the paragraphs in the most logical order to make the essay cohesive.

The writer wants to arrange the following sentences to logically explain the transition from the military's tactile code to Louis Braille's refined reading system. Arrange the sentences in the most logical order.

Consider the following paragraph from an essay about astrophysics:

[1] In the summer of 1967, postgraduate student Jocelyn Bell Burnell began analyzing data from a radio telescope she had helped build. [2] While reviewing rolls of chart paper, she noticed a series of tiny, recurring peaks that she called "scruff." [3] These regular signals, repeating precisely every 1.33 seconds, did not match any known astronomical phenomena. [4] Her supervisor, Antony Hewish, initially dismissed the periodic fluctuations as terrestrial interference, such as passing cars or television signals. [5] Because the true nature of the cosmic clocks remained mysterious, the team jokingly labeled the source "LGM-1" for "Little Green Men."

To make the paragraph flow most logically, the sentence below should be inserted after which sentence?

"However, Bell Burnell’s meticulous testing of the receiver soon proved that the pulses were originating from far outside Earth’s atmosphere."

The passage below is from an article about the history of chemistry.

In 2009, chemist Mas Subramanian and his team at Oregon State University accidentally discovered YInMn Blue, a vibrant and highly stable blue pigment, while testing materials for electronics applications. The pigment's unique crystal structure absorbs red and green wavelengths while reflecting blue light, making it highly durable and resistant to fading. Consequently, scientists had long assumed that the synthesis of a durable, non-toxic inorganic blue pigment was chemically improbable.

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

High atop a rocky hill in Sion, Switzerland, the Basilique de Valère houses an extraordinary musical relic: an organ constructed in the early fifteenth century. Unlike most medieval instruments, which have been silenced by decay or altered beyond recognition by subsequent restorations, this organ remains playable. Organ builders in the region often utilized local spruce and pine, which grew slowly in the high altitude and possessed dense acoustic properties. This longevity is largely due to a conservative restoration in 1954 that prioritized preserving the original Gothic pipework rather than updating the mechanism to suit modern tastes.

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

A student is writing an essay about nineteenth-century astronomy.

[1] In 1845, Irish astronomer William Parsons completed construction on the Leviathan of Parsonstown, a reflecting telescope with a six-foot aperture that was the largest in the world at the time. [2] With this massive instrument, Parsons observed and sketched the spiral structure of the Whirlpool Galaxy, a nebula then known as M51. [3] Prior to this discovery, astronomers debated whether nebulae were merely nearby clouds of gas or distant, independent 'island universes' consisting of stars. [4] The detailed drawings produced by Parsons provided crucial visual evidence that suggested a distinct, organized structure. [5] However, because the Leviathan's metal mirror was highly susceptible to tarnishing in the damp Irish climate, Parsons could only use the telescope on a few clear nights each year. [6] It took several decades of further observation with improved instruments to conclusively resolve the debate in favor of the island universe theory.

The writer is considering deleting Sentence 5 from the paragraph. Should the sentence be kept or deleted?

Although the Hoh Rain Forest is famous for its lush, moss-draped canopy, its auditory environment is equally remarkable. Acoustic ecologist Gordon Hempton has spent decades studying and protecting this natural soundscape. Hempton argues that quiet is not merely the absence of sound, but rather the presence of nature's pristine voice. [X] For instance, a single commercial jet passing overhead can disrupt the acoustic sanctuary of an entire valley.

The writer wants to add a sentence at the marked position [X] to emphasize the extreme vulnerability of this natural quiet to human-made noise. Which choice most effectively accomplishes this goal?

[1]
____________________________. Built primarily between the fifth and nineteenth centuries in the arid states of Gujarat and Rajasthan, these subterranean structures went far beyond simple utility. They served as temples, community centers, and cool refuges during the scorching summer months.

[2]
To reach the water, visitors descended a series of stone steps that led deep below the earth's surface. Unlike vertical wells, stepwells incorporated elaborate stone carvings, pillared pavilions, and intricate galleries that provided shade. As the water level fluctuated with the monsoon seasons, different levels of the stepwells became accessible, creating a dynamic public space where women gathered to fetch water and socialize.

Which of the following sentences, if added at the beginning of the passage, would best establish the main topic of the essay?

Although standard light-emitting diodes (LEDs) had been producing red and green light since the 1960s, a blue LED remained notoriously difficult to create. Without a blue light source, scientists could not combine the primary colors of light to produce white light, stalling the development of energy-efficient household illumination. [1] Consequently, researchers at chemical companies and universities continued to focus their efforts on gallium nitride, a material widely considered too volatile to work with.

Which choice most effectively establishes a logical transition between the second and third sentences of the passage?

The paragraph below contains numbered sentences.

[1] In 1887, construction began on the Eiffel Tower in Paris as the entrance arch for the 1889 World's Fair. [2] Over the next two years, hundreds of workers assembled the massive iron structure piece by piece. [3] After its completion, the tower was initially criticized by many prominent French artists and intellectuals. [4] Today, however, it is celebrated as a masterpiece of modern architecture and stands as a global symbol of France.

To make the paragraph flow most logically, where should the following sentence be placed?

'These critics called the iron design an eyesore that would ruin the beauty of the Parisian skyline.'

The paragraphs below are from an essay about the history of refrigeration. Arrange the paragraphs in the most logical order to create a cohesive passage.

The writer is drafting an essay about the history of currency and wants to organize the following sentences to logically explain the transition from using physical metal coins to using paper credit. To achieve this goal, in what order should the sentences be arranged?

The following paragraphs are from a draft of an essay about the invention of Velcro.

[1] In 1941, Swiss electrical engineer George de Mestral went on a hunting trip in the Alps with his dog. Upon returning home, he noticed that both his pants and his dog's fur were covered in tiny cockleburs from the burdock plant. Intrigued by how tenaciously they clung to the fabric, he examined them under a microscope. He discovered that the burrs were covered in hundreds of microscopic hooks that caught on the tiny loops of thread in his trousers.

[2] Realizing the potential for a new type of fastener, de Mestral set out to replicate this hook-and-loop mechanism synthetically. After years of experimenting with various fabrics, he found that nylon, when sewn under infrared light, formed stiff loops that could be cut to create hooks. He patented this synthetic replica in 1955 and named it Velcro.

[3] Today, hook-and-loop fasteners are used in everything from apparel and athletic gear to aerospace equipment. NASA, in particular, popularized the product during the Apollo missions, utilizing it to secure objects in zero-gravity environments. Despite its initial rejection by the fashion industry, this Swiss-engineered innovation became a multi-million-dollar global success.

[4] Before the invention could become a household name, however, de Mestral had to convince manufacturers of its utility. The early prototypes were hand-woven and struggled to maintain their grip after multiple uses. It took almost a decade of refining the manufacturing process to produce a fastener that was both durable and cheap to mass-produce.

For the sake of the logic and cohesion of the essay, Paragraph 4 should be placed where?

To prepare for the long hike, Sarah packed plenty of water, some snacks, and a first-aid kit in her backpack, which was a pack she carried on her back.

Which of the following options, if substituted for the underlined portion, makes the sentence most concise and grammatically correct?

[1] Sourdough bread relies on a wild yeast starter rather than commercial baker's yeast. [2] This starter, a fermenting mixture of flour and water, captures wild yeasts and beneficial bacteria from the environment. [3] Over time, these microorganisms produce carbon dioxide and lactic acid, giving the bread its characteristic rise and sour flavor. [4] Many commercial bakeries prefer using dry active yeast because it is faster and more predictable. [5] Once the starter is active, it must be regularly fed with fresh flour and water to keep the yeast alive.

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

Passage Excerpt:
Conservators at the museum face a delicate task when preparing medieval tapestries for display. Over centuries, exposure to light and humidity weakens the organic fibers, making them prone to tearing under their own weight. To support these massive textiles, conservationists stitch a sturdy linen backing to the reverse side of the tapestry, [1] which distributes the stress evenly.

Given that all the choices are true, which one best fulfills the writer's goal of emphasizing the painstaking, time-consuming nature of the conservation process?

Every year, the migration of monarch butterflies attracts thousands of tourists who travel annually to witness the event.

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

In 1799, French soldiers in Egypt uncovered a slab of dark stone covered in three distinct scripts: Ancient Greek, Demotic, and hieroglyphs. This artifact, known as the Rosetta Stone, became the key to unlocking the written language of ancient Egypt, which had been dead for over a thousand years. Scholars across Europe rushed to translate the texts, but decryption proved incredibly difficult because hieroglyphs were not merely alphabetic symbols but a complex mixture of phonetic and ideographic signs. Jean-François Champollion, a brilliant French linguist, spent years comparing the Greek text to the hieroglyphs, eventually realizing that the Egyptian symbols represented sounds of the spoken Coptic language.

Which choice best concludes the paragraph by emphasizing the revolutionary impact of Champollion's work on our understanding of ancient Egyptian history?

[1] In the mid-nineteenth century, the construction of the transcontinental railroad transformed the American West, linking the Atlantic and Pacific coasts. [2] The project relied heavily on the labor of thousands of Chinese immigrants, who faced dangerous working conditions and severe discrimination. [3] These workers blasted tunnels through the granite of the Sierra Nevada and laid tracks across the desolate Great Basin. [4] Meanwhile, in the eastern United States, steam locomotives were rapidly replacing canal boats as the primary means of moving freight. [5] Despite their critical contributions, the Chinese workers were excluded from the celebratory photographs taken at Promontory Summit upon the railroad's completion.

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

The following passage contains an underlined portion.

During Napoleon’s Egyptian campaign in 1799, French soldiers uncovered a black granodiorite slab that would change history. The Rosetta Stone; which featured a decree written in three different scripts, allowed scholars to compare known Greek text with mysterious hieroglyphs. Consequently, French scholar Jean-François Champollion cracked the code in 1822, opening a window into ancient Egyptian civilization.

Which of the following options is the correct punctuation for the underlined portion in the passage?