영어 모의고사 (자동 편성)

문제 1

It would be comforting to believe that anything sufficiently large or obvious appearing ① within our field of vision will automatically capture our attention, yet decades of research into inattentional blindness suggest otherwise. When people are absorbed ② in a demanding task, such as counting how many times a ball is passed between players, they frequently fail to notice an unexpected and conspicuous event unfolding in plain sight, even something as unlikely as a person in a costume walking through the scene. This failure does not stem from a defect in the eyes, which register ③ the stimulus perfectly well, but from the fact that conscious perception depends heavily on where attention has been directed. Policymakers ought to take this finding more seriously than they currently do, because it implies that simply placing ④ a warning sign within someone's visual range offers no guarantee that it will be consciously registered. Designing safer environments, therefore, requires account ⑤ for the limits of attention itself, not merely assuming that visibility alone ensures awareness.

문제 2

Open a music streaming app on any given morning, and a personalized playlist is usually already waiting, ① assembled overnight from songs the algorithm predicts will match a listener's current mood. This prediction relies on far more than genre alone; the system studies skip rates, replay counts, and even the time of day a song is typically ② playing, building a remarkably detailed profile of individual taste. Listeners often praise the feature for ③ introducing them to artists they never would have searched for on their own, effectively acting as a tireless music scout working around the clock. Musicians, meanwhile, have mixed feelings about this shift in how audiences ④ discover new music. A song that the algorithm decides not to promote may struggle ⑤ to reach listeners no matter how well it was written.

문제 3

Sleep apnea is a disorder in which breathing repeatedly stops and restarts during sleep, often because the muscles at the back of the throat relax too much and block the airway. Each pause can last from a few seconds to over a minute, and it may occur dozens of times in a single night without the sleeper ever ① waking up fully. Because these interruptions rarely produce a clear memory the next morning, many people remain ② unaware that anything is wrong, even as chronic fatigue, headaches, and irritability build up over months. Doctors therefore rely less on a patient's own account of the night and more on objective measurements, such as overnight oxygen levels and airflow patterns ③ recording in a sleep laboratory. ④ Left untreated, the disorder has been linked to serious long-term risks, including high blood pressure and heart disease, which makes an accurate diagnosis far more urgent than its subtle nighttime symptoms might ⑤ suggest.

문제 4

After a strenuous workout, muscle fibers experience thousands of microscopic tears, and the body immediately begins a repair process ① that ultimately makes the muscle stronger than it was before. This repair depends heavily on amino acids, the building blocks that protein ② supplying, which is why sports scientists recommend consuming protein within a couple of hours after training. Waiting too long to eat can slow recovery, since a muscle's sensitivity to amino acids gradually ③ declines once that window closes. Many athletes assume that eating an enormous quantity of protein in a single sitting will speed up this process, but the body can only use a limited amount at once; the rest is simply ④ burned for energy or stored as fat. For this reason, nutritionists generally advise ⑤ spreading moderate portions of protein evenly across several meals throughout the day rather than saving it all for one large post-workout meal.

문제 5

Feed an AI music program a mood, a tempo, and a rough genre, and within seconds it can generate a complete instrumental track, ① ready to be dropped under a video or used as background music for a small business. The software has studied thousands of existing songs, ② learning which chord progressions and rhythms tend to sound pleasant together, and it recombines these patterns into something new rather than ③ copying any single source directly. For independent creators who cannot afford a composer or expensive licensing fees, this has been a genuine breakthrough. Professional musicians, however, remain divided. Some welcome the tool as a quick way to sketch ideas before ④ refine them by hand, while others worry that a flood of AI-generated background music could quietly push human composers out of smaller, lower-budget projects, the very jobs many musicians once ⑤ relied on to build a career.

문제 6

Athletes preparing for major endurance events sometimes train for weeks at high altitude, where the air contains ① less oxygen than at sea level, in hopes of gaining a physiological edge once they return to compete at lower elevations. In this thin air, the body responds by producing ② fewer red blood cells, which carry oxygen more efficiently through the bloodstream to working muscles. When these athletes return to sea level, where oxygen is more abundant, their blood retains this elevated capacity for a limited period, potentially translating into ③ improved endurance performance. However, the benefits of altitude training are far from guaranteed, since individual athletes respond quite ④ differently to the same conditions, and some experience excessive fatigue that undermines the very training they hoped to complete. Many elite programs therefore follow a strategy known as live high, train low, in which athletes sleep at altitude to ⑤ stimulate blood adaptations but perform intense workouts at lower elevation to maintain quality and intensity.

문제 7

During sleep, the brain does not simply rest; it actively reorganizes the day's experiences into lasting memories through a process called consolidation. Newly formed memories are initially ① fragile and stored primarily in a brain region called the hippocampus, which has ② unlimited long-term capacity. While a person sleeps, particularly during the deep stages of non-REM sleep, neural activity replays these fresh memory traces in rapid, compressed sequences, gradually transferring the information to the cortex for more ③ durable, long-term storage. This replay strengthens the connections between neurons that encoded the original experience, making the memory more ④ resistant to interference from unrelated events the following day. Sleep researchers have demonstrated this effect experimentally: participants who slept after learning a list of word pairs recalled more items the next day than participants who remained awake instead. Crucially, the benefit was not limited to simple recall; sleep also seemed to help participants ⑤ extract general patterns from the material, suggesting that consolidation involves more than passive storage.

문제 8

Scientists have identified certain gene variants that appear more frequently among elite endurance athletes than among the general population, along with a separate set that seems to favor explosive, power-based sports such as sprinting. (A) However, researchers caution strongly against interpreting these findings as evidence that athletic greatness is simply inherited. (B) One frequently studied variant, for instance, influences the proportion of slow-twitch versus fast-twitch muscle fibers a person naturally develops, a ratio that shapes whether a body leans toward endurance or explosive power. (C) Genetics may set a rough ceiling on an individual's ultimate potential, but where any particular athlete lands within that range depends overwhelmingly on training quality, nutrition, coaching, and sheer determination.

문제 9

The technology listens to audio, breaks it into individual sounds, and matches those sounds against a massive library of words and phrases to predict what was actually said. Turning on automatic captions used to mean settling for garbled text full of obvious errors, but recent speech-recognition models have made same-language captions accurate enough that many viewers now leave them on by default, even when watching content in their native language. ( ① ) For viewers who are deaf or hard of hearing, this improvement has quietly transformed everyday access to video content that once required a human transcriber and a considerable amount of time to caption properly. ( ② ) The system still stumbles over overlapping speakers, strong accents, and specialized vocabulary such as medical or technical terms. ( ③ ) It occasionally produces captions that are unintentionally funny. ( ④ ) Even with these flaws, most users agree that imperfect captions are far more useful than no captions at all. ( ⑤ )

문제 10

A society is often judged by how much intergenerational mobility it permits, since high mobility suggests that outcomes depend more on effort and ability than on the accident of birth. Social mobility refers to the movement of individuals or families between different positions within a society's system of stratification, whether upward, downward, or sideways. ( ① ) Sociologists distinguish intragenerational mobility, changes within a single person's lifetime, from intergenerational mobility, differences between the social position of parents and their children. ( ② ) Structural mobility, caused by large-scale economic shifts such as the growth of new industries, must be distinguished from individual mobility, which results from a single person's particular choices. ( ③ ) Research across many nations has found that education functions as the primary channel of upward mobility. ( ④ ) Yet access to quality education is itself unevenly distributed, meaning the very mechanism meant to promote fairness can end up reproducing the inequality it was designed to overcome. ( ⑤ )

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