영어 모의고사 (자동 편성)

Caffeine is the most widely consumed stimulant in the world, ① prizing for its ability to sharpen focus and fight off fatigue within minutes of consumption. It works by blocking adenosine, a chemical that gradually builds up in the brain throughout the day and ② makes us feel increasingly sleepy the longer we stay awake. By occupying the receptors that adenosine would normally bind to, caffeine tricks the brain into ③ feeling alert even when the body has accumulated significant sleep pressure. The effects, however, last far longer than most people realize. Because caffeine can remain active in the bloodstream for five to six hours, a cup of coffee ④ consumed in the late afternoon may still be interfering with the ability to fall asleep at midnight. Even when people do not consciously notice difficulty falling asleep, caffeine has been shown ⑤ to reduce the amount of deep, restorative sleep obtained later in the night.

As governments and companies work to address climate change, a new category of employment ①known as green jobs has expanded rapidly. These positions include solar panel installers, wind turbine technicians, and specialists who design energy-efficient buildings. Countries that have invested heavily in renewable energy have seen employment in this sector ②grown far faster than in the economy overall. Young workers, in particular, are drawn to green careers because they ③offer a sense of purpose alongside financial stability. Critics point out that transitioning workers from fossil fuel industries to green jobs is not always simple, ④since the required skills can differ significantly. Governments are therefore introducing training programs designed ⑤to help such workers shift smoothly into renewable energy careers.

Modern factories increasingly rely on collaborative robots, often called cobots, which are designed to work ①safely alongside human employees. Unlike traditional industrial robots that operate behind safety cages, cobots use sensors to detect nearby workers and adjust their movements accordingly. Cobots typically handle repetitive or physically demanding tasks, while human workers focus on tasks that require ②judgment and fine motor skills. This division of labor increases overall ③efficiency, since each side contributes what it does best. Manufacturers who have introduced cobots report ④more workplace injuries, largely because employees no longer perform exhausting repetitive motions all day. As the technology becomes more affordable, smaller companies are also beginning to ⑤adopt cobots.

Many people struggling to fall asleep in noisy environments turn to white noise machines, devices that emit a ① chaotic, uniform sound covering a broad range of frequencies. The appeal lies in a phenomenon called auditory masking, in which a constant background sound makes sudden noises, such as a slamming door, ② less noticeable to the sleeping brain. Without this masking effect, an abrupt change in sound is far more likely to trigger a brief awakening, even if the sleeper does not ③ consciously remember it the next morning. Studies comparing sleep in quiet rooms with sleep alongside white noise have found that participants using white noise experienced fewer of these brief awakenings and reported feeling more ④ rested. However, researchers caution that the benefit depends heavily on volume and consistency, since noise that is too loud or that varies unpredictably can itself become a source of ⑤ disruption rather than a remedy.

When Mina graduated from college five years ago, she had never even heard the term "data scientist." After graduation, she ①struggled to find a job that matched her interests, since most companies did not fully understand what her skills were worth. Everything changed when a small tech startup hired her to ②analyze massive amounts of data. Mina quickly discovered that she loved turning raw numbers into insights that helped real people make ③worse decisions. Within two years, demand for professionals like her had ④exploded, as companies in every industry realized how valuable data could be. Today, Mina ⑤leads a team of ten analysts, mentoring young graduates.

주어진 문장: Unlike traditional employees, these workers are typically classified as independent contractors. The gig economy, in which people take on short-term or freelance jobs instead of full-time positions, has grown rapidly over the past decade. Digital platforms now connect customers directly with drivers, designers, writers, and countless other independent workers within minutes. ( ① ) This model offers clear advantages: workers can choose when and how much they work, and businesses can hire help only when they actually need it. ( ② ) For many young people entering the job market, gig work provides valuable flexibility that traditional employment rarely allows. ( ③ ) However, gig workers often lack benefits such as health insurance, paid leave, and retirement savings, which full-time employees typically receive. ( ④ ) Because their income can fluctuate sharply from month to month, many gig workers struggle to plan their finances confidently. ( ⑤ ) As this sector continues to expand, governments face growing pressure to design policies that protect independent workers.

주어진 문장: This hesitation can appear even in group settings, where a single cautious voice may delay a decision for everyone. 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 would bring greater benefits. ( ① ) This bias helps explain why many households hesitate to switch to renewable energy, such as installing solar panels on their roofs. ( ② ) Although solar panels can lower electricity bills over time, homeowners often stick with their current power source because it feels safe and requires no immediate effort. ( ③ ) In contrast, switching demands research, upfront cost, and trust in unfamiliar technology, all of which can seem risky compared with doing nothing. ( ④ ) For example, a neighborhood association might repeatedly postpone a vote on shared solar panels, not because the plan is flawed, but because members are reluctant to leave their routine. ( ⑤ ) Therefore, boosting renewable adoption may depend less on proving its advantages and more on designing programs that make the first step feel easy.

Skipping this final stage, even when an athlete feels fully recovered, dramatically increases the risk of re-injury, because general strength does not automatically translate into the specific coordination that a particular sport demands. Recovering from a serious sports injury involves far more than simply waiting for torn tissue to heal; it requires a carefully structured program that gradually reintroduces stress to the affected area. ( ① ) Immediately after an injury, rest and gentle range-of-motion exercises help prevent stiffness without disturbing the healing tissue. ( ② ) As pain subsides, therapists introduce light resistance training, slowly rebuilding strength in muscles that have weakened from disuse. ( ③ ) Progressing too quickly at this stage is a common mistake, since tissue that appears healed on the surface may still be structurally fragile beneath it. ( ④ ) Only after strength and flexibility approach pre-injury levels do specialists introduce sport-specific drills that mimic the exact movements an athlete will face in competition. ( ⑤ )

주어진 문장: Because the timer makes each interval visible and concrete, students often feel a stronger sense of urgency during each session. Among strategies for improving concentration, the Pomodoro Technique remains one of the most widely recommended methods for students and workers. ( ① ) This technique involves working with full attention for twenty-five minutes, then taking a short five-minute break before starting the next session. ( ② ) After completing four of these cycles, a longer break of fifteen to thirty minutes is usually taken to allow mental recovery. ( ③ ) The method assumes that sustained focus becomes harder to maintain as time passes, so frequent short breaks prevent mental fatigue from building up. ( ④ ) Students preparing for exams report finishing reading assignments faster when they follow this structured rhythm instead of studying without interruption. Office workers find that dividing large projects into short, timed intervals makes overwhelming tasks feel more manageable. ( ⑤ ) Because each interval has a clear start and end, procrastination becomes less tempting, since beginning a single twenty-five-minute session requires less commitment than beginning an entire project.

주어진 문장: This concern reflects a deeper fear about what makes art meaningful in the first place. Artificial intelligence has begun to play a surprising role in creative industries once thought to be uniquely human. ( ① ) Programs can now compose music, generate paintings, and even draft short stories within seconds. ( ② ) Some artists welcome this technology, using AI tools to explore new styles or overcome creative blocks that once took weeks to resolve. ( ③ ) Others, however, argue that AI-generated art lacks the emotional depth that comes from genuine human experience. ( ④ ) Despite this debate, most experts agree that AI is unlikely to fully replace artists anytime soon. ( ⑤ ) Instead, it functions best as a collaborative tool, helping creators experiment faster while leaving final artistic decisions to humans.