영어 모의고사 (자동 편성)

Time-management researchers frequently mention a principle ①known as Parkinson's Law, which states that work expands to fill the time available for its completion. According to this idea, a task that could be finished in one hour will often stretch to fill an entire afternoon if that much time ②is scheduled for it. Students who set vague deadlines frequently experience this effect, spending extra hours ③refined a report that was already complete. Employees given a full week for a simple project may also delay meaningful progress until the final days, even though the actual work ④requires far less effort. This pattern happens partly because people unconsciously adjust their pace to match perceived urgency. Setting shorter, more specific deadlines can counter this tendency, forcing tasks to fit within a tighter and more realistic window. By recognizing how flexible time encourages unnecessary delay, individuals can complete assignments more efficiently ⑤without sacrificing quality.

Coaches have traditionally focused athlete preparation on training volume and nutrition, but a growing body of research ①suggests that sleep deserves equal attention. During deep sleep, the body releases growth hormone, a substance essential for ②repairing muscle tissue damaged during intense training, while the brain consolidates motor skills practiced earlier that day into more stable, efficient patterns. Athletes who sleep fewer than seven hours a night have been shown ③suffering more injuries, slower reaction times, and reduced accuracy compared to well-rested peers performing the identical drills. Frequent travel across time zones compounds this challenge considerably, since jet lag can ④disrupt an athlete's natural sleep-wake cycle for several days after a long flight. In response, many professional teams now employ sleep specialists ⑤who design travel schedules, control bedroom lighting and temperature, and even adjust competition start times when possible.

Sociologist Mark Granovetter introduced an idea that seems ①contradictory at first glance, known as the strength of weak ties. According to this theory, people who see each other only ②occasionally, called weak ties, often provide more valuable information than close friends or family members, who are considered strong ties. This happens because strong ties tend to share the same social circles and, therefore, already possess ③similar knowledge. Weak ties, in contrast, move within different networks, which allows them to introduce ideas or opportunities that would otherwise remain unknown. For example, a former classmate rarely contacted might mention a job opening unavailable through one's immediate circle. Social media platforms have made maintaining such connections remarkably ④harder, letting users keep hundreds of loose acquaintances active without frequent face-to-face meetings. Consequently, these platforms function as efficient channels through which weak ties continue delivering ⑤fresh opportunities that close relationships simply cannot offer.

Behavioral economists use the term temporal discounting to describe how people ①undervalue future rewards simply because those rewards are not immediate. This tendency explains why a student might choose to watch videos tonight rather than study for an exam that remains several weeks away, even though studying offers a ②smaller long-term benefit. A distant reward, no matter how valuable, feels psychologically smaller than a small reward available right now. This bias contributes to procrastination, since future consequences rarely feel ③urgent enough to motivate immediate action. To counter this tendency, students should ④convert distant goals into smaller, near-term milestones that feel more emotionally real. Setting weekly checkpoints rather than a final deadline can make future benefits feel ⑤closer and more concrete.

Recovering from a serious sports injury involves far more than simply waiting for torn tissue to heal; it requires a carefully structured program that ①gradually reintroduces stress to the affected area. Immediately after an injury, rest and gentle range-of-motion exercises help prevent stiffness without ②disturbing the healing tissue. As pain subsides, therapists introduce light resistance training, slowly ③weakening strength in muscles that have weakened from disuse. Progressing too quickly at this stage is a common mistake, since tissue that appears healed on the surface may still be ④structurally fragile beneath it. Skipping the final stage, even when an athlete feels fully recovered, dramatically ⑤increases the risk of re-injury.

Anyone who has ridden a bicycle after a decade away from one has likely experienced muscle memory firsthand: the body seems to ①recall a complex skill almost instantly, even when conscious memory of the exact movements has faded. Contrary to what the name suggests, muscles themselves do not actually store memories; the phenomenon originates in the brain and nervous system, where repeated practice gradually ②hides control of a well-learned movement from regions associated with conscious thought to areas that operate largely automatically. This shift explains why a skilled athlete can execute a complicated sequence of movements without consciously thinking through each individual step, ③freeing mental attention for strategy and decision-making instead. Interestingly, research also suggests that these neural pathways can remain ④partially intact even after long periods without practice, which is why relearning a skill is typically much faster than learning it for the very first time. Coaches often exploit this principle by ensuring that fundamental techniques are practiced correctly from the very ⑤beginning.

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.

Advertisers rely on a range of psychological strategies to shape how consumers perceive their products. (A) One especially common strategy involves showing large crowds of satisfied customers, implying that popularity equals quality. (B) These strategies work most effectively when viewers remain unaware that they are being persuaded at all. (C) For this reason, teaching people to recognize such techniques can reduce their persuasive power significantly.

Even a modest weight gain caused by these hormonal shifts can, over time, make the body's cells even less sensitive to insulin, creating a cycle that is hard to break. When people consistently sleep too little, the body's hormonal balance shifts in ways that can quietly encourage weight gain. ( ① ) Two hormones in particular play opposing roles in regulating appetite: leptin signals fullness to the brain, while ghrelin stimulates the sensation of hunger. ( ② ) 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. ( ③ ) 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. ( ④ ) 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. ( ⑤ ) Because these effects build up so gradually, many people never connect their shifting eating habits or worsening blood sugar to something as ordinary as a few lost hours of sleep each night.

In other words, the two stages appear to serve complementary purposes, one restoring the body and the other restoring the mind. Sleep is not a single, uniform state but a cycle that alternates between two very different modes: REM (rapid eye movement) sleep and non-REM sleep. ( ① ) During non-REM sleep, especially its deepest stage, the brain waves slow down dramatically, the body temperature drops, and tissue repair and growth hormone release reach their peak. ( ② ) This is the period most closely associated with physical restoration. ( ③ ) REM sleep, by contrast, brings rapid eye movements, near-total muscle paralysis, and brain activity that closely resembles wakefulness. ( ④ ) Most vivid dreaming occurs during this stage, and researchers believe it plays a central role in consolidating memories and processing emotional experiences. ( ⑤ ) A healthy night typically cycles through both stages four or five times, with non-REM dominating the early hours and REM periods lengthening toward morning. Disrupting either stage, through frequent awakenings or alcohol use, can leave a person feeling unrested even after a full night in bed.