영어 모의고사 (자동 편성)

When individuals face uncertainty about how to behave, they frequently look to the actions of others for guidance. This reliance on collective behavior can be remarkably ①efficient, since it allows individuals to benefit from the accumulated judgment of a crowd without having to gather and evaluate every relevant fact themselves. However, social proof can also lead entire groups astray when the initial signal that triggers imitation is itself ②unreliable or coincidental. A restaurant that happens to attract a long line early in the evening may continue attracting customers throughout the night simply because passersby interpret the queue as evidence of ③inferior quality. Financial markets exhibit an analogous pattern: investors who observe others buying a particular asset often join the buying themselves, reasoning that so many participants cannot all be mistaken, a dynamic that can ④inflate prices well beyond any reasonable estimate of underlying value. Because conformity can substitute for independent judgment so ⑤seamlessly, individuals rarely notice when their own decisions have become mere imitations rather than genuinely deliberated.

Rewilding, a conservation strategy that seeks to restore natural processes with minimal human interference, has gained attention as traditional conservation struggles to halt biodiversity loss. Rather than managing landscapes according to a ①fixed blueprint, rewilding projects often reintroduce key species, such as large predators, whose presence can trigger cascading effects. Advocates point to the reintroduction of wolves in certain parks, where predation altered grazing behavior, allowing riverside vegetation to ②decline and stabilizing soil that had long been eroding. Skeptics, however, warn that rewilding can provoke ③serious conflict with nearby communities, particularly when predators prey on livestock or restored habitats limit land for agriculture. Moreover, critics argue that restoring landscapes to an imagined pristine state is scientifically ④dubious, since ecosystems have long been shaped by human activity. Compensation programs reimbursing farmers for livestock losses, alongside ecotourism initiatives creating local income, have proven ⑤essential to sustaining public support.

Audiobooks have grown rapidly in popularity over the past several years. Some traditional readers argue that listening to a book is not the same as truly reading it, because the listener does not process written words directly. However, researchers who study this question have found that comprehension scores for listeners and readers are usually very similar, as long as the material is not too complex. The biggest difference tends to appear with dense, technical material. For most everyday reading, however, _______________.

For my birthday, my older sister took me to a small pottery studio where visitors can shape their own bowl or cup on a spinning wheel. I expected the wheel to do most of the difficult work automatically, since it was already spinning quickly by the time I sat down. My first attempt collapsed into a shapeless lump within seconds, because _______________. The instructor explained that beginners almost always press too hard on one side, which throws the entire piece off balance no matter how fast or slow the wheel spins. After nearly a dozen failed attempts, I finally produced a lopsided but recognizable cup, and the small imperfection along its rim somehow made me prouder of it than a perfectly smooth, machine-made mug ever could have. Clay, I learned that afternoon, rewards patience far more generously than it rewards force.

Accidents rarely wait for a doctor to be nearby, which is why basic first aid knowledge can make a critical difference in the first few minutes after an injury occurs. Many students assume that only professionals should touch an injured person, fearing that any mistake might make things worse. In reality, a few simple actions, such as applying steady pressure to a bleeding wound or keeping an unconscious person's airway clear, can prevent a minor injury from becoming a life-threatening one. _______________, since every minute without basic care allows a treatable injury to worsen. Of course, first aid is never a substitute for professional medical treatment, and it should never replace an emergency call.

Wearable devices that track sleep have become enormously popular, promising a detailed breakdown of light, deep, and REM sleep each night. These gadgets typically rely on movement sensors and heart rate monitors to estimate sleep stages, since directly measuring brain activity would require equipment found only in a sleep laboratory. This indirect approach, however, introduces significant uncertainty. Independent studies comparing wearable data with polysomnography, the gold-standard method used in clinical sleep labs, have found that _______________. Some trackers overestimate deep sleep, while others underestimate the amount of time spent in REM sleep, and the margin of error can vary widely between brands. Despite these limitations, many users have come to treat the nightly score generated by their device as an objective medical verdict, sometimes experiencing anxiety when the number falls below what they expect, a phenomenon researchers have begun calling orthosomnia.

Melatonin is a hormone produced by a small gland deep within the brain, and its release follows a remarkably predictable daily pattern. (A) This rhythm is controlled primarily by light: specialized cells in the eye detect brightness and send signals that either permit or suppress melatonin production, which is why exposure to bright screens late at night can delay its release and make falling asleep more difficult. (B) Levels stay low throughout the bright hours of the day, begin rising in the evening as darkness falls, peak in the middle of the night, and then decline again as morning approaches. (C) Unlike some hormones that directly cause the body to perform a task, melatonin does not force sleep to occur; instead, it signals to the rest of the body that night has arrived, preparing various systems to shift into a lower-energy state. Because of this signaling role, taking melatonin supplements at the wrong time can shift a person's internal clock in the opposite direction from what was intended.

Biodegradable plastics have been promoted as a promising solution to plastic waste, since they are designed to decompose into natural substances rather than persist for centuries. (A) 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 low. In addition, when mixed with conventional plastics in recycling streams, they can contaminate the process, weakening the quality of materials produced afterward. (B) Some engineers therefore compare biodegradable plastics to a bridge that leads nowhere unless paired with infrastructure that completes the journey. Ultimately, realizing their genuine potential requires not only technological refinement but also facilities capable of providing the precise conditions decomposition demands. (C) Manufacturers derive these materials from renewable resources such as corn starch, blending them with additives that accelerate microbial breakdown once discarded. However, their environmental benefits are often exaggerated, largely because decomposition depends on specific conditions rarely found outside industrial composting facilities.

None of these habits require special skill, only the discipline to follow them every single time. Every summer, lifeguards repeat the same warnings to swimmers, yet drowning remains one of the most common causes of accidental death among teenagers. ( ① ) Part of the problem is that danger in water rarely looks dramatic; a swimmer struggling to stay afloat often makes little noise and shows no obvious signs of panic, which means bystanders may not realize help is needed until it is too late. ( ② ) Rip currents present a particularly deceptive threat, since the water's surface can appear calm even while a powerful current pulls a swimmer steadily away from shore. ( ③ ) Experts advise that anyone caught in such a current should swim parallel to the beach rather than struggling directly against it, since fighting the current head-on quickly exhausts even a strong swimmer. ( ④ ) Simple habits, such as swimming near a lifeguard station and never entering the water alone, dramatically lower the risk of a minor mistake turning into a fatal one. ( ⑤ )

주어진 문장: As a result, no single boundary can be evaluated in isolation from the others. Scientists have long searched for a way to describe, in a single coherent framework, the outer limits within which human activity can safely continue without destabilizing the planet's fundamental systems. ① The concept of planetary boundaries, introduced by earth-system researchers, identifies nine interconnected processes, including climate change, biodiversity loss, and nitrogen pollution, each possessing a threshold beyond which abrupt and irreversible change becomes likely. ② Unlike conventional environmental limits, often defined locally, these boundaries are framed at a planetary scale, reflecting the idea that the Earth functions as a single interdependent system rather than a collection of isolated regions. ③ Crossing one boundary, proponents argue, does not merely damage the system involved but can also destabilize others, since climate, oceans, and land are bound together by feedback loops that transmit disturbance across the system. ④ Some philosophers have likened this framework to a ship's safe operating margin, within which passengers may move freely without risking the vessel's stability. ⑤ Critics, however, contend that the boundaries are drawn with more confidence than the data can support. ① ② ③ ④ ⑤