영어 모의고사 (자동 편성)

After a viewer finishes an episode, a streaming service rarely ① leave the choice of what to watch next entirely up to chance. Instead, a recommendation algorithm compares that viewer's habits with patterns ② drawn from millions of other users who watched similar content, then ranks thousands of titles in order of predicted interest. This approach keeps viewers engaged far longer than a simple list of new releases ever could, which is precisely why streaming companies invest so heavily in ③ refining it. The system is not without drawbacks, however. Because the algorithm favors titles similar to what a viewer already enjoys, it can quietly narrow someone's exposure to unfamiliar genres, directors, or cultures, ④ creating a comfortable but repetitive bubble. Some platforms have begun inserting occasional wildcard suggestions, deliberately unrelated to past viewing habits, in an attempt ⑤ to counteract this narrowing effect.

Elite athletes often perform in front of enormous crowds with championships, contracts, and years of training riding on a single moment, and the psychological weight of that pressure can ① undermine skills that feel automatic in practice. Sports psychologists explain that intense anxiety narrows attention and disrupts the smooth, unconscious execution of well-learned movements, a phenomenon sometimes ② called choking under pressure. Rather than trying to eliminate nervousness entirely, which research suggests ③ are nearly impossible, many trainers now teach athletes ④ to reinterpret the physical symptoms of anxiety, such as a racing heart, as signs of readiness rather than danger. Over time, repeated exposure to high-pressure situations in practice, deliberately ⑤ simulated to resemble real competition, allows athletes to build tolerance the same way their muscles adapt to physical training.

Across many countries, high schools begin classes ① early in the morning, often before eight o'clock. This schedule assumes that teenagers can simply go to bed earlier to compensate, but biology tells a different story. During adolescence, the body's internal clock shifts ② earlier, delaying the release of melatonin until well after ten at night. As a result, most teenagers are not physiologically ready to fall asleep until much later than younger children or adults. When early start times force them to wake before their bodies have completed a full sleep cycle, the mismatch ③ accumulates into a chronic sleep debt that affects concentration and mood throughout the school day. Researchers who study this mismatch argue that the underlying problem is not laziness or poor discipline among students, but a scheduling system built around adult rhythms rather than ④ adolescent ones. Some school districts that delayed their start times by thirty minutes reported ⑤ measurable improvements in attendance.

Scientists have identified certain gene variants that appear ① less 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. One frequently studied variant, for instance, influences the proportion of slow-twitch versus fast-twitch muscle fibers a person naturally develops, a ratio that ② shapes whether a body leans toward endurance or explosive power. However, researchers caution strongly against interpreting these findings as evidence that athletic greatness is simply ③ inherited. Even athletes who carry every favorable variant identified so far still require years of ④ disciplined training to translate that genetic potential into actual performance. 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 ⑤ determination.

A documentary director named Mira first traveled to a remote Arctic glacier to film its towering cliffs of blue ice, which seemed frozen in time. Standing before the ①<u>massive</u> wall, she assumed such an enormous structure could hardly change within a lifetime. Five years later, however, she returned to the very same coordinates, expecting her camera to capture an identical scene. Instead, she discovered that the glacier had ②<u>retreated</u> so dramatically that the ice cliffs, once visible from her original position, had nearly ③<u>disappeared</u>, leaving bare rock and pools of meltwater behind. Comparing the two sets of footage side by side, Mira realized that a transformation she had expected to take centuries was actually happening within a single decade. This encounter convinced her that climate change, which she had previously regarded as a ⑤<u>distant</u> statistic, was in fact a ④<u>trivial</u> process reshaping landscapes before her eyes.

Planning a multi-city trip once meant hours spent comparing flight schedules, reading hotel reviews, and mapping out which sights were close enough to visit in a single day. AI travel planners now ① compress much of that work into a short conversation, asking about a budget, a travel style, and a handful of preferences before generating a full day-by-day itinerary within minutes. The tool draws on enormous amounts of data to suggest a route that avoids obvious ② scheduling conflicts. Many travelers appreciate having a solid starting point rather than a ③ blank page. Still, seasoned travelers warn that these itineraries can feel oddly ④ unique, often steering users toward the same popular landmarks that every other AI-generated plan recommends, while ⑤ overlooking smaller, lesser-known places that a knowledgeable local guide might have suggested instead.

Having grown up with smartphones and social media, they research products ①extensively online before making even small purchases. Unlike older generations, who often valued brand loyalty above all else, many members of Generation Z ②prioritize a company's values, switching brands easily if one no longer matches their beliefs. They also tend to ③favor secondhand and resale platforms, viewing sustainability as an important factor. Peer recommendations shared through short videos frequently carry ④less weight than traditional celebrity endorsements, since viewers see these creators as relatable rather than distant figures. Businesses that fail to adapt to these preferences risk losing an entire generation of potential customers, so many companies now invest in ⑤authentic engagement.

When people consistently sleep too little, the body's hormonal balance shifts in ways that can quietly encourage weight gain. (A) Two hormones in particular play opposing roles in regulating appetite: leptin signals fullness to the brain, while ghrelin stimulates the sensation of hunger. (B) At the same time, insufficient sleep interferes with how efficiently the body processes glucose, making cells less responsive to insulin and leaving more sugar circulating in the bloodstream than usual. Over months or years, this combination of increased appetite and reduced insulin sensitivity can contribute to steady weight gain and raise the risk of developing type 2 diabetes. (C) Studies show that sleep deprivation lowers leptin levels while raising ghrelin levels, so a tired body ends up feeling hungrier than it actually needs to be, even after a normal-sized meal.

Rather than replacing human creativity outright, many artists, writers, and filmmakers have begun treating AI tools as an unusual kind of collaborator, one that generates dozens of rough options in the time it would take a person to sketch just one. (A) A film composer might similarly use an AI system to generate a rough melody, then rework it entirely by hand until it fits the emotional tone of a specific scene. (B) A novelist might ask an AI model for ten possible opening lines and then discard nine, keeping only the phrase that sparks an idea worth developing further. (C) What makes this collaboration work, according to many creators, is that the human remains firmly in charge of judgment and taste, using the AI's output as raw material rather than a finished product.

FOMO refers to the anxious feeling that arises when people believe they are missing out on rewarding experiences that others are having. (A) For instance, a student who sees photos of a gathering she missed may feel sudden regret, even though the event is already over. (B) This feeling often leads people to check their phones compulsively, which makes it hard to focus on tasks at hand. (C) Such experiences are common among heavy social media users, who constantly compare their lives with the curated posts of others.