영어 모의고사 (자동 편성)

A few years ago, spotting a manipulated video ①required a trained eye and specialized software. Today, freely available applications allow almost anyone ②to swap a face or fabricate a voice convincingly enough to fool casual viewers within minutes. This shift has quietly undermined one of the oldest assumptions in human communication: that seeing and hearing something ③are a reasonably reliable way to confirm it happened. Journalists now face the burden of ④verifying footage that once would have been accepted as self-evident proof. Perhaps more troubling than any single fake video is the broader effect on public trust, in which genuine footage can ⑤be dismissed as fabricated simply because deepfakes exist.

Factories that once employed hundreds of workers on an assembly line now run with a fraction of that staff, as robotic arms handle tasks ①that used to require human hands. Economists have long debated whether this shift destroys jobs or simply ②transforms them. Historical evidence offers some comfort: previous waves of automation eventually created new categories of work that no one ③had predicted. However, critics point out that earlier transitions unfolded over generations, ④given workers time to retrain, whereas today's robots are being deployed at a pace that leaves little room for adjustment. For this reason, many economists argue that the real challenge is not the robots themselves, but the speed at which society ⑤is expected to adapt to them.

Conventional economic wisdom holds that more options are always preferable to fewer, since a larger set of alternatives increases the likelihood that any individual will find one that precisely ①matches their preferences. Empirical research on consumer behavior, however, complicates this assumption considerably. When shoppers are presented with an extensive array of choices, they frequently experience heightened anxiety about making the wrong selection and, paradoxically, ②become less likely to make any purchase or decision at all. This phenomenon, commonly ③called choice overload, arises because evaluating numerous alternatives demands considerable cognitive effort, and the fear of forgoing a superior but unexamined option can overwhelm the pleasure of selecting from a limited set. Furthermore, individuals who do eventually choose from an overwhelming array often ④reports lower satisfaction with their selection than those who chose from a modest handful of options. Businesses that recognize this dynamic have begun deliberately ⑤curating smaller, carefully selected assortments.

Suppose a mad scientist removed a living brain from its body, ①placed it in a vat of nutrient fluid, and connected its neurons to a supercomputer capable of generating perfectly realistic sensations. The brain would experience a full and convincing world, complete with a sky, a body, and other people, without ever ②suspecting that none of it existed outside the simulation. This scenario, unsettling as it sounds, raises a genuinely difficult question for anyone ③confident in their own perception: how could a person ever prove that they are not that very brain right now? Ordinary evidence cannot help, since any proof gathered through the senses would itself ④be generated by the same simulation being tested. Some philosophers conclude that absolute certainty about the external world is simply unattainable, while others argue that the mere possibility of deception, however vivid, ⑤are not sufficient reason to abandon our everyday trust in what we perceive.

Cities are frequently several degrees warmer than the surrounding countryside, a phenomenon ①known as the urban heat island effect, which intensifies in summer and threatens public health. This disparity arises largely because asphalt and concrete absorb solar radiation during the day and slowly release it as heat throughout the night, ②preventing urban areas from cooling down. To address this problem, urban planners have begun implementing mitigation strategies ③designed to lower surface and air temperatures. One widely used solution involves reflective "cool" roofing ④engineered to reflect more sunlight than dark rooftops absorb. Another strategy, green infrastructure, incorporates rooftop gardens and tree-lined streets that ⑤provides shade while releasing moisture.

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 attributed to herd psychology. During such episodes, individual investors, observing that prices have already risen substantially, often conclude that continuing to buy is ①reasonable simply because so many others are 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 attracting yet another wave of buyers convinced that the upward trend itself constitutes ②reliable evidence of underlying value. Historical episodes of speculative excess display a strikingly similar pattern, suggesting that the underlying psychological mechanism remains ③variable even as the specific assets involved change considerably across centuries. Eventually, however, some triggering event, however minor, prompts a portion of investors to ④reconsider their assumptions, and the resulting wave of selling can trigger a collapse every bit as rapid and self-reinforcing as the original ⑤ascent.

Military researchers have developed weapons systems capable of identifying and engaging targets without a human pressing the final button, a prospect that has ①alarmed arms control experts for over a decade. Advocates within defense agencies argue that autonomous systems can react faster than any human operator and may even ②reduce casualties by removing fear and fatigue from split-second decisions. Human rights organizations counter that removing a person from the final decision strips away moral responsibility at the exact moment it matters most, since a machine cannot be held ③accountable in any meaningful sense. Diplomatic negotiations toward an international treaty have repeatedly ④succeeded, partly because military powers disagree on how to define autonomy precisely enough to regulate it. Meanwhile, the underlying technology continues to ⑤advance regardless of whether the diplomacy meant to govern it keeps pace.

When workers receive a five percent raise in a year when prices have climbed five percent as well, their real purchasing power has not changed at all, yet many still report _______________. This tendency to judge economic well-being by nominal figures printed on a paycheck, rather than by what that money can actually purchase, is known among economists as money illusion. Employers exploit this pattern by favoring modest nominal raises over deeper structural adjustments, since a visible increase on a payslip satisfies employees more effectively than an explanation about inflation could.

This prospect raises a philosophical question that medicine alone cannot answer. Devices that translate brain activity directly into digital commands have moved from laboratory experiments to real medical use, allowing paralyzed patients to control a robotic arm or type a message using thought alone. ( ① ) As the technology improves, some developers envision a future in which brain-computer interfaces extend beyond restoring lost function toward enhancing healthy minds. ( ② ) They imagine offering faster memory or expanded attention to anyone willing to undergo the procedure. ( ③ ) If a device can alter memory, mood, or decision-making, at what point does the assistance stop being a tool and start reshaping the very identity of the person using it? ( ④ ) Neuroethicists argue that mental privacy may need to be recognized as a fundamental right before this technology becomes widespread. ( ⑤ )

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.