영어 모의고사 (자동 편성)

After a viewer finishes an episode, a streaming service rarely ①leave the choice of what to watch next entirely up to chance. Instead, a recommendation algorithm compares that viewer's habits with patterns ②drawn 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 ③refining 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, ④creating a comfortable but repetitive bubble. Some platforms have begun inserting occasional wildcard suggestions, deliberately unrelated to past viewing habits, in an attempt ⑤to counteract this narrowing effect.

Behavioral economists use the term status quo bias to describe a tendency to prefer the present situation over a new alternative, even when the alternative ①would brought greater benefits. This bias helps explain why many households hesitate ②to switch to renewable energy, such as installing solar panels on their roofs. Although solar panels can lower electricity bills over time, homeowners often stick with their current power source because it feels safe and ③requires no immediate effort. In contrast, switching demands research, upfront cost, and trust in unfamiliar technology, all of which can ④seem risky compared with doing nothing. For example, a neighborhood association might repeatedly postpone a vote on shared solar panels, not because the plan is flawed, but because members are ⑤reluctant to leave their routine. Therefore, boosting renewable adoption may depend less on proving its advantages and more on designing programs that make the first step feel easy.

Climate scientists frequently warn about tipping points, thresholds beyond which a small additional change ①triggers a large, often irreversible shift in the climate system. Unlike gradual warming, which unfolds steadily over decades, crossing a tipping point can produce dramatic consequences within a short period. For instance, as Arctic ice melts, it exposes darker ocean water that ②absorb more sunlight than reflective ice, accelerating further melting in a self-reinforcing cycle. Similarly, scientists worry that a major ocean current, which currently ③redistributes heat across the planet, could slow dramatically if enough freshwater from melting glaciers dilutes the surrounding seawater. Once such thresholds are crossed, ④restoring the original balance may become nearly impossible, even if emissions are later reduced. Therefore, researchers argue that preventing these transitions ⑤matters more than merely slowing average temperature increases.

Minji spent nearly every evening ①watched Jimin, an online creator who streamed cooking videos and chatted casually with her viewers. Over several months, Minji began to feel as though she truly knew Jimin, ②laughing at her jokes and worrying whenever she mentioned having a difficult week. Whenever Jimin responded to a comment, even a simple one, Minji felt a small thrill of connection, as if they ③were becoming closer friends. One day, Minji excitedly waited outside a fan event, ④hoping that Jimin would recognize her from the countless messages she had sent. However, Jimin greeted her the same way she greeted every other stranger in line, ⑤without any hint of personal recognition.

Team sports place athletes in a uniquely social form of competition, one where individual skill alone ①rarely determines the outcome of a match. Sports psychologists have long studied why some groups of talented individual players fail to perform as a cohesive unit while other, less individually skilled teams consistently ②exceed expectations. Trust among teammates appears to be a ③decisive factor, since players who believe their teammates will reliably fulfill their roles are more willing to take the calculated risks that winning often requires. Clear and consistent communication during high-pressure moments further reduces the hesitation and confusion that can ④unravel a team's coordination in front of a crowd. Interestingly, researchers have found that teams which deliberately build informal social bonds off the field tend to display better on-field cohesion, suggesting that chemistry can ⑤easily be manufactured through drills alone.

Building brand loyalty has traditionally been considered one of the most valuable goals in marketing, since loyal customers tend to spend more and recommend products to others. Companies invest significant resources in loyalty programs, offering points, discounts, and exclusive access to encourage repeat purchases. However, some critics argue that these programs manipulate consumers into staying with a brand out of habit rather than genuine satisfaction. Genuine loyalty, they contend, should be earned through consistent quality and honest treatment of customers, not through artificial incentives that merely delay a customer's departure. As markets become more competitive, relying solely on loyalty programs without addressing underlying product quality may ultimately backfire. Therefore, companies should treat loyalty ___________.

For decades, productivity advice has focused almost entirely on managing time efficiently, yet many experts now argue this approach overlooks something important. This alternative approach, known as energy management, suggests that ___________. Unlike time, which flows at a constant rate, human energy naturally rises and falls in cycles shaped by sleep, food, and mental fatigue. A person who tackles difficult tasks during a low-energy period, for instance, may need two hours to finish what takes thirty minutes at peak energy.

Habit researchers often note that people overestimate the role of motivation in daily routines. (A) As a result, they frequently give up soon after starting, blaming themselves for lacking discipline. (B) In contrast, Fogg's framework suggests that shrinking the task itself is more effective than boosting motivation. (C) Because motivation naturally rises and falls, relying on it alone often leads to inconsistent effort.

The key distinction lies entirely in intensity: active recovery is not a second workout in disguise but a deliberately gentle session designed to support, rather than compete with, the body's underlying repair mechanisms. After an especially demanding training session, the instinct to collapse onto a couch and remain motionless is understandable, yet exercise physiologists increasingly recommend the opposite approach. ( ① ) Active recovery involves performing low-intensity movement, such as a light jog, an easy swim, or a gentle bike ride, on days following intense exertion rather than resting completely. ( ② ) This gentle activity keeps blood circulating through tired muscles, which appears to help clear metabolic byproducts that accumulate during hard exercise more efficiently than complete stillness does. ( ③ ) Some athletes worry that any movement at all will interfere with the repair process. ( ④ ) Research suggests, however, that truly light activity, kept well below the intensity of the original workout, does not meaningfully slow healing and may even reduce the perceived soreness that follows a hard session. ( ⑤ )

This natural advantage, however, is only a starting point rather than a fixed ceiling. VO2 max, defined as the maximum volume of oxygen a person's body can consume and use during intense exercise, is widely regarded as one of the best single indicators of cardiorespiratory fitness. ( ① ) Elite endurance athletes typically post VO2 max values far higher than those of untrained individuals, reflecting hearts that pump larger volumes of blood and muscles that extract oxygen from that blood with remarkable efficiency. ( ② ) While genetics accounts for a substantial portion of an individual's potential VO2 max, consistent aerobic training can still raise the measurement considerably over months of dedicated effort. ( ③ ) Interval training, which alternates short bursts of near-maximal effort with periods of recovery, has proven particularly effective at improving this measurement compared to steady, moderate-intensity exercise alone. ( ④ ) It is worth noting, however, that a high VO2 max does not guarantee success in competition, since factors such as running economy, pacing strategy, and mental resilience also play a decisive role in determining who actually crosses the finish line first. ( ⑤ )