영어 모의고사 (자동 편성)

Every time a smartphone connects to a cell tower or a Wi-Fi network, it quietly records a data point that can later ①be pieced together into a detailed map of where its owner has been. Most users agree to this tracking without ②reading the fine print, assuming that a single company's database poses little threat. The real danger, however, emerges when location data from multiple sources ③combining. A pattern that reveals a person's home, workplace, and daily route can expose far more than any single app ever intended to share. Companies often argue that anonymized data cannot be traced back to individuals, yet researchers have repeatedly ④shown that a handful of location points is enough to identify a specific person. As a result, privacy experts increasingly insist that location data ⑤deserves the same legal protection as medical records.

A cricket contains, gram for gram, roughly as much protein as beef, yet requires a small fraction of the land, water, and feed ①needed to raise cattle. This efficiency has drawn growing attention from researchers ②looking for ways to feed a global population that continues to climb while arable land remains essentially fixed. Insects also convert feed into body mass with remarkable efficiency, since they are cold-blooded and therefore ③spend far less energy regulating body temperature than a cow or pig must. Despite these advantages, insect protein has struggled to gain acceptance in many cultures, where the idea of eating insects triggers a reflexive disgust that no nutritional argument alone seems ④able to overcome. Food companies have responded by grinding insects into a flour that disappears into protein bars, pasta, and baked goods, ⑤let consumers benefit from the nutrition without ever having to look an insect in the eye.

Anyone designing a presentation, a curriculum, or a grocery list should attend to a well-documented pattern in human memory known as the serial position effect. When people ①are asking to recall items from a list right after studying it, they consistently remember the items presented at the beginning and end far better than those buried in the middle. The advantage for early items, called the primacy effect, ②arises because those items receive more rehearsal and are more likely to be transferred into long-term storage before subsequent items compete for attention. The advantage for final items, known as the recency effect, ③occurs because those items remain accessible in short-term memory at the moment of recall. Middle items suffer because they must compete for limited rehearsal opportunities while lacking the stability afforded by extended processing. Communicators who ④ignore this pattern risk burying their most important point where it will predictably be forgotten. A more effective strategy, therefore, ⑤places the crucial message at the beginning or end, precisely where memory proves most reliable.

Financial markets occasionally experience episodes in which asset prices rise far beyond any level that careful analysis of underlying fundamentals could justify, a phenomenon commonly ①attributed to herd psychology. During such episodes, individual investors, observing that prices have already risen substantially, often conclude that continuing to buy is reasonable simply because so many others ②are doing the same, rather than because any independent evaluation supports the purchase. This dynamic can become self-perpetuating: rising prices attract new buyers, whose purchases push prices higher still, thereby ③attracting yet another wave of buyers convinced that the upward trend itself constitutes reliable evidence of underlying value. Historical episodes of speculative excess display a strikingly similar pattern, suggesting that the underlying psychological mechanism ④remain constant even as the specific assets involved change considerably across centuries. Eventually, however, some triggering event, however minor, prompts a portion of investors to reconsider their assumptions, and the resulting wave of selling can ⑤trigger a collapse every bit as rapid and self-reinforcing as the original ascent.

Biodegradable plastics have been promoted as a ①promising solution to plastic waste, since they are designed to decompose into natural substances rather than persist for centuries. Manufacturers derive these materials from renewable resources such as corn starch, blending them with additives that ②accelerate microbial breakdown once discarded. However, their environmental benefits are often exaggerated, largely because decomposition depends on specific conditions rarely found outside industrial composting facilities. For example, a bag labeled biodegradable may take years, not the weeks advertised, to break down in a landfill or ocean, where temperature and microbial activity remain ③high. In addition, when mixed with conventional plastics in recycling streams, they can ④contaminate the process, weakening the quality of materials produced afterward. Some engineers therefore compare biodegradable plastics to a bridge that leads nowhere unless paired with infrastructure that completes the journey. Ultimately, realizing their ⑤genuine potential requires not only technological refinement but also facilities capable of providing the precise conditions decomposition demands.

Imagine a man locked inside a room who does not understand a single word of Chinese, yet who possesses a giant rulebook written entirely in English. Slips of paper covered with Chinese characters are passed in through a slot, and by following the rulebook's instructions step by step, he produces replies that appear ①fluent to anyone outside. From the perspective of a native speaker reading the responses, the room seems to understand Chinese ②perfectly. Yet the man inside understands nothing at all; he is merely manipulating shapes according to formal rules, without grasping their ③meaning. This scenario was designed to challenge the assumption that a computer running a sophisticated program truly ④fails to understand language simply because it produces convincing output. Passing every external test of intelligence, the argument suggests, is not the same as possessing genuine understanding, since syntax alone can never generate ⑤semantics.

When people encounter an individual who appears to memorize enormous quantities of specialized information ①effortlessly, they often assume that person possesses an innate gift. Cognitive psychologists, however, contend that such feats ②rarely stem from raw talent alone. Instead, such feats arise from a learned skill known as chunking, whereby scattered pieces of information are consolidated into larger, meaningful units. A landmark study of chess players demonstrated this principle. When shown a board arranged according to plausible game positions, grandmasters reproduced the layout perfectly. Yet when the same pieces were scattered randomly, their performance ③collapsed to the level of novices. This pattern reveals that expert memory is not larger in raw capacity but is instead organized around patterns accumulated through years of deliberate practice. If chunking, rather than innate aptitude, ④contradicts expert performance, then educators should stop treating talent as fixed and destiny-bound. Curricula ought to be redesigned to cultivate pattern recognition explicitly, since doing so would grant far more students access to expertise once ⑤presumed reserved for the naturally gifted.

A hamburger patty need not come from a slaughtered animal if a small sample of muscle cells can be persuaded to multiply inside a steel tank. Cultured meat begins with a biopsy of animal muscle tissue, from which scientists isolate cells capable of dividing repeatedly, then feed those cells a nutrient broth that supplies the sugars, proteins, and minerals an animal's bloodstream would normally provide. Inside a bioreactor, the cells multiply across scaffolding designed to encourage them to align into fibers, gradually thickening into something that begins to resemble muscle tissue. Supporters argue that because the process never requires raising and slaughtering a whole animal, _______________. Skeptics counter that producing the specialized broth at a large enough scale remains prohibitively expensive, meaning cultured meat is unlikely to compete with conventional meat in price until the technology matures considerably further.

Working memory refers to the mental workspace in which information is temporarily held and manipulated while a person performs a cognitive task. Such tasks include solving an arithmetic problem, following a rapid conversation, or holding a phone number in mind before dialing it. In the mid-twentieth century, the psychologist George Miller proposed that this workspace could accommodate roughly seven discrete items. His claim proved so influential that it became widely known as the magic number seven. Subsequent research, however, revealed that Miller's estimate was somewhat generous, since it failed to account for the complexity of the material being remembered. Nelson Cowan later argued that when rehearsal strategies are prevented and attention is tightly controlled, _______________. This discrepancy suggests that what earlier studies had measured was not raw storage capacity itself but a hybrid quantity inflated by clever strategies. Contemporary psychologists therefore distinguish between the fixed limit of working memory and the flexible techniques that allow individuals to transcend that limit.

This is, in essence, the working premise of an entire field known as synthetic biology, which treats the living cell as programmable hardware. Imagine rewriting a bacterium's code the way a programmer edits a line of software, and much of what synthetic biology promises begins to make sense. ( ① ) Researchers in this field assemble standardized genetic parts into circuits that can be inserted into a cell. ( ② ) Such circuits can instruct a cell to perform a task that no natural organism would carry out, from glowing under stress to detecting a toxin in water. ( ③ ) Because these circuits are built from interchangeable parts rather than designed from scratch each time, a circuit tested in one lab can often be reused, with minor adjustments, in an entirely different application. ( ④ ) Critics note that biological systems rarely behave as predictably as electronic circuits, since a gene inserted into a new cell can interact with existing pathways in unexpected ways, occasionally producing results no engineer intended. ( ⑤ ) Even so, as the catalog of standardized parts keeps expanding, engineers are gaining confidence to design increasingly complex systems, treating the cell as a chassis onto which new functions can be loaded.