영어 모의고사 (자동 편성)

When a country physician named Edward Jenner noticed that milkmaids ①who had caught cowpox seemed immune to smallpox, he set in motion a medical revolution without fully understanding why it worked. For nearly two centuries afterward, vaccine development proceeded largely by trial and error, ②weakened or killing a pathogen and testing whether the resulting preparation could train the immune system without causing disease itself. This method produced genuine successes, eventually eliminating smallpox worldwide and reducing diseases such as polio and measles, but each new vaccine still ③required years of laboratory work with no guarantee of success. Advances in molecular biology eventually allowed researchers ④to isolate a single protein from a pathogen's surface rather than using the whole organism, producing vaccines with fewer side effects and a more predictable safety profile. The most recent shift, toward delivering genetic instructions rather than proteins themselves, represents the latest chapter in a story ⑤that began with an eighteenth-century doctor's curiosity about a puzzling immunity among dairy workers.

For much of its history, economic theory treated emotion as a distortion ①to be eliminated from otherwise rational calculation, an obstacle standing between decision-makers and their true self-interest. More recent research, however, suggests that emotion ②function not merely as noise but as an integral component of sound judgment, one that supplies information conventional reasoning alone cannot readily access. Individuals who, due to specific neurological conditions, lose the capacity to experience emotion while retaining otherwise normal cognitive abilities frequently ③struggle to make even simple decisions, spending excessive time weighing options that most people resolve almost instantly through a felt sense of what seems right. This observation suggests that emotional responses often ④function as rapid heuristics, allowing individuals to bypass exhaustive deliberation by relying on accumulated affective associations built from past experience. Financial regulators have begun incorporating this understanding into policy design, recognizing that decisions made under conditions of acute emotional arousal often ⑤depart substantially from the measured judgment that individuals would exhibit under calmer circumstances.

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.

Symbolic interactionism approaches society not as a fixed structure imposed from above but as something continuously constructed through everyday face-to-face interaction, in which individuals interpret and respond to the ①literal meanings that objects, actions, and other people hold for them. Sociologist George Herbert Mead argued that the self itself emerges through this interactive process, as individuals learn to see themselves from the perspective of others, gradually ②internalizing what he called the generalized other, a composite sense of society's expectations. Erving Goffman extended this framework with his dramaturgical approach, comparing social life to a theatrical performance in which individuals ③manage impressions, present different faces in different settings, and carefully control what audiences see backstage versus onstage. Unlike structural theories that emphasize large institutions, symbolic interactionism ④focuses on the small, repeated exchanges through which shared meaning is negotiated, arguing that even stable social structures ultimately depend on countless everyday interactions in which participants continuously ⑤reaffirm the meanings they attach to one another's words and gestures.

When sociologist Émile Durkheim studied suicide rates across different societies, he noticed something puzzling: rates rose not only during economic depression but also during sudden prosperity. He concluded that both crises share a common feature, the collapse of shared norms that once told individuals what to expect and how to behave. Decades later, Robert Merton extended the concept to explain deviance within stable societies, proposing that anomie also arises when a culture insists that everyone pursue identical goals, such as wealth, while denying many people the legitimate means to achieve them. Faced with this gap between aspiration and opportunity, _______________. Anomie theory therefore suggests that crime is less a product of individual failure than of structural imbalance within society itself.

When consumers compare two products and assume that the one labeled "eco-friendly" is automatically the more sustainable choice, they often overlook the complexity involved in verifying such a claim. Life cycle assessment, commonly abbreviated as LCA, _______________. This method examines raw material extraction, manufacturing, transportation, use, and disposal, compiling data on energy consumption and emissions generated at each stage. By tracing a product from its origin to its disposal, this approach reveals impacts that might otherwise remain hidden from consumers who see only the finished item on a shelf. For example, an electric vehicle may produce no emissions while being driven, yet the mining of metals for its battery can generate substantial environmental costs elsewhere. Without accounting for these earlier stages, a superficial comparison could mistakenly present the vehicle as entirely emission-free. Therefore, researchers increasingly rely on life cycle assessment to make informed decisions rather than trusting labels alone.

In the late nineteenth century, the psychologist Hermann Ebbinghaus undertook a rigorous investigation of forgetting by serving as his own experimental subject. He memorized thousands of meaningless three-letter syllables so that prior knowledge could not skew his results. (A) Ebbinghaus further found that distributing study sessions across several days produced better retention than cramming the same repetition into one sitting. This finding, now central to modern learning theory, implies that revisiting material shortly before it would otherwise be forgotten interrupts the decline of the forgetting curve. (B) After learning each list to perfection, he tested his retention at intervals ranging from twenty minutes to a month later. He recorded how many repetitions were required to relearn the material each time. (C) The resulting curve revealed a consistent pattern. Forgetting proceeds rapidly during the initial hours following learning, then gradually decelerates until the rate of loss becomes almost imperceptible. Roughly half of the acquired information vanished within the first hour alone. Yet whatever survived that initial plunge tended to persist for much longer periods.

The sunk cost fallacy also complicates decisions in personal relationships and long-term commitments. (A) A person who has invested years in a career path that no longer brings satisfaction may nonetheless continue along that path, reluctant to treat those years as time that cannot be reclaimed regardless of future choices. (B) This reluctance often stems less from genuine hope for improvement than from an unwillingness to admit that the time and effort already invested failed to produce the desired outcome. (C) Recognizing this pattern requires distinguishing between a decision genuinely worth continuing and one being sustained merely to justify past commitment, a distinction that is often uncomfortable to draw honestly.

Scarcity cues of this kind are becoming increasingly common across online retail platforms, appearing on everything from hotel bookings to concert tickets. A shopper browsing an online store notices that a particular item is marked as "only three left in stock." ( ① ) Before seeing this notice, the shopper had regarded the item with only mild interest, uncertain whether it was worth purchasing at all. ( ② ) After seeing the notice, however, the same shopper suddenly feels a pressing urge to complete the purchase before the remaining stock disappears, even though nothing about the item itself has changed. ( ③ ) This shift in urgency illustrates how scarcity cues can transform hesitation into immediate action within moments. ( ④ ) Retailers are well aware of this dynamic, which is why such notices frequently appear even when actual stock levels are difficult for customers to verify independently. ( ⑤ ) Whether the stated scarcity is genuine or exaggerated, its psychological effect on the shopper's behavior remains remarkably similar.

Their actual forecasting accuracy, however, has repeatedly proven no better than that of far less experienced participants, and sometimes even worse. Overconfidence among financial professionals presents a puzzling contradiction. ( ① ) Fund managers and analysts typically possess years of specialized training, access to vast quantities of market data, and considerable professional experience. ( ② ) One might reasonably expect such expertise to translate into consistently superior predictions about future market movements. ( ③ ) Longitudinal studies tracking professional forecasts against actual outcomes reveal a persistent gap between confidence and accuracy. ( ④ ) This finding does not imply that expertise is worthless, but it does suggest that expertise can inflate confidence more readily than it improves genuine predictive accuracy. ( ⑤ ) Investors would therefore do well to treat confident predictions, however credentialed their source, with a healthy measure of skepticism.