Tüm alıştırma soruları

Cultivating vanilla is an incredibly labor-intensive process, as each orchid flower must be hand-pollinated during a short window on the morning it blooms. Specifically, vanilla beans remain one of the most expensive spices in the world, second only to saffron.

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

The following paragraph is from an essay about the history of musical instruments.

[1] In the early twentieth century, jazz and big band musicians struggled to make their acoustic guitars heard over louder brass instruments. [2] Performers tried various methods to amplify their sound, such as attaching carbon microphones to the wooden body, but these attempts resulted in weak, distorted audio. [3] Known as the "Frying Pan" due to its circular aluminum body and long neck, this instrument used electromagnetic pickups to convert string vibrations into clear electrical signals. [4] The success of this design paved the way for solid-body electric guitars that would dominate popular music for decades to come.

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

"To solve this problem, inventor George Beauchamp developed the first functional electric guitar in 1931."

Although early daguerreotypes captured incredibly sharp details, the long exposure times required subjects to sit perfectly still for several minutes. Photographers used metal head braces that were clamped behind the subject's head in order to keep the person from moving or shifting during the portrait session.

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

When designing long-term storage protocols, digital archivists must weigh the costs of active maintenance against the risks of data degradation. For many of these professionals, storing raw data on physical magnetic tape drives is preferable than relying solely on cloud-based servers, which remain vulnerable to sudden service interruptions.

Which choice is the most grammatically correct and idiomatic replacement for the underlined portion?

To start the campfire, Sarah gathered twigs and leaves, which were completely dry and free of moisture.

Which of the following choices is the best version of the underlined portion?

Artemisia Gentileschi, a prominent Baroque painter, is celebrated today for her dynamic and dramatic compositions. Her most famous [work—*Judith Slaying Holofernes*, showcases] her mastery of chiaroscuro, a technique that uses strong contrasts between light and dark to create a sense of volume. While many of her contemporaries focused on idealized figures, Gentileschi depicted her subjects with raw, unfiltered emotion.

Which choice represents the correct punctuation for the underlined portion in brackets?

To ensure the longevity of the fragile manuscript, the archivist insisted that all researchers adhere to the strict handling guidelines. These rules prevented accidental tears and exposure to moisture.

Which choice best completes the sentence in accordance with standard written English?

Having spent three consecutive weeks monitoring the volatile ridge, the vulcanologists grew wary of the seismic sensors' frequent false alarms, a complacency that ultimately led them to ignore the evacuation warning.

Which choice is the most appropriate in the context of the sentence?

Passage Excerpt:

In 1957, engineers Alfred Fielding and Marc Chavannes sealed two textured plastic sheets together, trapping pocketed air bubbles between them. The inventors initially hoped to market this novel material as a stylish, modern wallpaper. [1] It was not until 1960, when IBM began shipping its fragile new computers, that the material—rebranded as Bubble Wrap—found its true purpose as protective packaging.

Question:

The writer wants to add a sentence at Point [1] that highlights the contrast between the inventors' initial enthusiasm and the public's disappointing response to the wallpaper concept. Which choice best accomplishes this goal?

[1] In the late nineteenth century, New York City's postal system struggled with delivery delays caused by congested streets and slow horse-drawn carriages. [2] To expedite service, the postal department built a network of pneumatic tubes beneath the city streets. [3] Heavy brass canisters stuffed with hundreds of letters were propelled through these underground pipes at speeds exceeding thirty miles per hour. [4] These tubes, which operated until 1953, were incredibly efficient at moving mail between sorting facilities. [5] Similar pneumatic systems were also utilized by post offices in cities like Paris and Berlin.

The writer is considering deleting sentence 5 from the passage. Should the writer make this deletion?

Astronomers have recently detected a new exoplanet orbiting a nearby star. This celestial body, located approximately forty light-years from Earth, features an atmosphere rich in carbon dioxide. Scientists are eager to study this planet because it is super cool for understanding atmospheric development.

Which of the following options, if substituted for the underlined portion, best maintains the tone of the passage?

In the mid-nineteenth century, the invention of the telegraph revolutionized long-distance communication. Messages that once took weeks to arrive by mail could now be transmitted in mere minutes, an innovation that was a new and unprecedented development for global commerce.

Which choice most effectively and concisely replaces the underlined portion in the sentence?

In 1957, engineers Alfred Fielding and Marc Chavannes sealed two plastic shower curtains together, trapping a grid of air bubbles in between. Initially, they attempted to market this textured material as a new type of wallpaper. [1] When that venture failed, they pitched the material as greenhouse insulation, which also met with little success. The breakthrough came in 1960, when IBM needed a reliable packaging material to protect its new computer during transit, prompting the inventors to brand their creation as Bubble Wrap.

The writer is considering adding the following sentence at Point [1]:

"Fielding and Chavannes both held advanced degrees in engineering."

Should the writer make this addition?

For all real numbers $a$ and $b$, a custom operation $\ast$ is defined by $a \ast b = a^2 - 2b$. What is the value of the expression $2 \ast (3 \ast 4)$?

Although early computer scientists predicted that machine translation would be a straightforward task, the nuances of human language proved incredibly complex. Modern translation software must parse idiomatic expressions that do not translate directly, which is a problem that poses a challenge because it is difficult for algorithms to resolve without contextual clues. Consequently, developers must integrate semantic analysis to help the software comprehend the underlying intent of the speaker.

Which choice is the most concise and grammatically correct option for the underlined portion of the passage?

Passage

In recent years, industrial designers have turned to mycelium—the underground root structure of fungi—as a sustainable alternative to synthetic plastics. Mycelium can be grown in custom molds to form lightweight, fully biodegradable packaging materials. [1] <u>On the other hand</u>, it possesses natural fire-retardant and sound-insulating properties, making it an appealing option for building construction.

Which choice provides the most logical transition between the two sentences at the underlined portion?

During her trip to the local history museum, Julianne was fascinated by the well-preserved pioneer cabin, which was built by hand and constructed manually in the mid-nineteenth century.

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

Read the passage below. The sentence contains a non-essential explanatory phrase set off by punctuation. Fill in the blank with the single punctuation mark that correctly completes the sentence and maintains punctuation consistency.

Consider the following passage:

In 1977, oceanographers exploring the Galápagos Rift made a startling discovery: deep-sea hydrothermal vents teeming with life. Previously, scientists had assumed that all marine ecosystems ultimately relied on sunlight for energy. However, these vents, emitting mineral-rich water at temperatures exceeding 600��F, supported complex communities of giant tube worms, blind crabs, and ghost-like fish. These organisms thrived in complete darkness, obtaining sustenance not from photosynthesis but from chemosynthetic bacteria, which are bacteria that generate energy by oxidation of chemical compounds, a process that produces energy from chemicals instead of from the sun.

Which of the following choices is the best edit for the underlined portion of the passage?

The following passage contains an underlined portion.

In 1856, while attempting to synthesize quinine, an antimalarial drug, eighteen-year-old chemist William Henry Perkin accidentally created mauveine, the first synthetic organic dye. At that point in time, natural dyes, which were extracted from plants and animals, were extremely costly to produce, and because of this, they were available only to the wealthy. Perkin's inexpensive, brilliant purple dye revolutionized the textile industry and birthed the modern chemical industry.

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