영어 모의고사 (자동 편성)

Automation is transforming labor markets more quickly than economists predicted only a decade ago. Factories once staffed by hundreds of workers now rely on robotic arms ①that assemble products with remarkable precision. Warehouses use automated systems ②to sort and deliver packages within a few hours. This shift does not simply eliminate jobs; it also creates roles that ③never exists before. Technicians who maintain robotic equipment are now in high demand, and engineers who design efficient systems ④are highly valued. Policymakers argue that retraining programs ⑤are essential to help displaced workers move into emerging fields.

Across the world, teenagers are chronically short on sleep, often getting two or three hours less than the eight to ten hours experts recommend for their age. Part of the problem lies in biology: as puberty begins, the body's internal clock naturally shifts later, ① making it difficult for teenagers to fall asleep before eleven at night. Yet school start times rarely adjust to this shift, ② forcing students to wake before their bodies are ready. The consequences extend well beyond simple tiredness. Chronic sleep loss during adolescence has been linked to impaired concentration, weakened memory, and a higher risk of anxiety and depression. It can also disrupt the hormones ③ that regulating appetite, contributing to unhealthy weight gain over time. Some school districts have experimented with ④ delaying start times by even thirty minutes, and early results suggest that students who gain that extra rest show improved grades, better mood, and fewer tardy arrivals. Despite this evidence, changing entrenched school schedules ⑤ remains a slow and contentious process.

Scientists have identified certain gene variants that ① 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. One frequently studied variant, for instance, ② 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. However, researchers caution strongly against ③ interpreting these findings as evidence that athletic greatness is simply inherited. Even athletes who carry every favorable variant identified so far still require years of disciplined training ④ to translate that genetic potential into actual performance, and many elite competitors lack some of these supposedly advantageous variants altogether. Genetics may set a rough ceiling on an individual's ultimate potential, but where any particular athlete lands within that range ⑤ depend overwhelmingly on training quality, nutrition, coaching, and sheer determination.

As technology continues to reshape the job market, educators and employers increasingly agree on which skills ①will matter most in the coming decades. Technical literacy, including basic coding and data analysis, has ②became nearly as fundamental as reading and writing once were. Beyond technical knowledge, however, employers consistently rank problem-solving and adaptability among the most valuable qualities in job candidates. Workers who can quickly learn new tools and adjust to unfamiliar situations tend ③to remain employable even as entire industries transform. Communication skills also matter more than ever, since many future jobs will require ④collaborating with both human colleagues and intelligent systems. Schools have begun redesigning curricula to emphasize these competencies, ⑤moving away from memorization toward project-based learning.

Soojin started posting short cooking videos on her phone during her last year of high school, never imagining it could become a career. At first, only a handful of friends watched her clips, and she nearly ①quit after several months without noticeable growth. She kept experimenting, however, adjusting her editing style and posting more ②consistently despite the discouraging numbers. Everything changed when one video demonstrating a simple recipe unexpectedly reached millions of viewers overnight. Within a year, Soojin was earning ③more from her online content than most entry-level jobs would have paid her. Still, she quickly learned that being a creator demanded ④minimal work, since algorithms rewarded frequent uploads and audiences expected fresh content daily. Looking back, Soojin realizes that persistence, rather than luck alone, transformed her hobby into a ⑤demanding profession.

When Daniel was a child, he dreamed of becoming an astronaut, yet he assumed such careers belonged only to a handful of government scientists. By the time he entered university, however, the space industry had changed ①dramatically, as private companies began launching satellites and building reusable rockets. Daniel studied aerospace engineering, drawn to the idea that space exploration was no longer ②limited to a few national agencies. During an internship, he helped design a small satellite intended to ③monitor crop health from orbit. He realized that the space industry now needed not only pilots and engineers but also data analysts, technicians, and even lawyers familiar with international space regulations. After graduation, Daniel joined a startup developing lunar landing equipment, a job that ④barely existed when he first imagined his future career. His story shows how commercial space ventures have ⑤closed doors that once seemed impossibly narrow.

Many teenagers check their social media accounts dozens of times a day, worried that they might miss something important happening among their friends. This anxiety, known as FOMO, or the fear of missing out, arises when people believe that others are enjoying experiences from which they themselves are excluded. For example, a student scrolling through photos of a party she was not invited to may suddenly feel a wave of loneliness and regret, even though the event has already ended. Constantly refreshing feeds to avoid missing such updates, however, makes it difficult to concentrate on schoolwork or conversations happening in the present moment. Moreover, this endless comparison with curated highlights of other people's lives tends to deepen feelings of anxiety rather than relieve them. Therefore, students should learn to ___________.

Parents and coaches sometimes worry that heavy resistance training might damage the growth plates in a young athlete's bones, cartilage regions near the ends of long bones responsible for lengthening as a child develops. This concern kept strength training out of many youth programs for decades. However, extensive research over the past twenty years has found little evidence that properly supervised resistance training harms growth plates in healthy children, since _______________. Major pediatric and sports medicine organizations now generally agree that structured strength programs, when taught with correct form and appropriate weight, can safely improve bone density, coordination, and injury resistance in young athletes.

Sleep debt refers to the cumulative gap between the amount of sleep a person needs and the amount they actually get. (A) Unlike a financial debt, however, this deficit cannot simply be repaid with a single long weekend of rest. (B) When someone loses two hours of sleep every night for a week, the body does not treat the shortage as fourteen separate small losses; instead, it accumulates the deficit, and the resulting impairment in attention and mood can resemble that of a person who has been awake for an entire night. (C) Researchers have found that even modest, chronic sleep restriction gradually impairs reaction time and decision-making, often without the affected person noticing the decline. This is because subjective feelings of tiredness tend to plateau after a few days, even as objective performance keeps deteriorating. Consequently, people frequently underestimate how much sleep debt they are carrying until a demanding task suddenly exposes the accumulated cost.

Some researchers worry that casual users may misinterpret a single unusual reading as a serious problem, leading to needless anxiety rather than useful insight. Modern sports wearables, from wrist-worn fitness trackers to smart insoles embedded in running shoes, continuously collect data that would once have required a laboratory to measure. ( ① ) Heart rate, sleep quality, running cadence, and even subtle changes in gait can now be monitored during ordinary daily activity rather than only in a controlled clinical setting. ( ② ) Coaches use this constant stream of information to detect early warning signs of overtraining, sometimes noticing a decline in performance before the athlete consciously feels tired. ( ③ ) However, the flood of data has created a new challenge: distinguishing a meaningful pattern from ordinary daily fluctuation requires expertise that many amateur athletes simply do not have. ( ④ ) For this reason, most experts recommend treating wearable data as a general trend to observe over time, not as a precise diagnostic tool. ( ⑤ )