영어 모의고사 (자동 편성)

Soyeon joined an online study group chat where dozens of students ①planned a class project together every evening. When one member suggested ②skip a required survey step to save time, several others quickly agreed, and no one raised any objections. Soyeon privately worried that skipping the survey might ③weaken their project, but seeing everyone else nodding along, she stayed silent rather than risk sounding difficult. The group proceeded confidently, convinced their shortcut was harmless, until their teacher ④pointed out serious gaps once the project was submitted. She realized that the chat's friendly, unified atmosphere had actually ⑤discouraged critical thinking, making poor decisions feel completely normal at the time.

Have you ever noticed that an unfinished task ①keeps returning to your mind long after you stopped working? This phenomenon was first noticed by psychologist Bluma Zeigarnik, who saw ②that waiters remembered unpaid orders better than paid ones. Her observation led to what is now called the Zeigarnik effect: people remember incomplete tasks more vividly than ③completed ones. According to this theory, the mind maintains mental tension until a task reaches closure, ④keeping the unfinished task active in memory. Once the task is completed, the tension is released, and the mind ⑤let go of the details.

In the days leading up to an endurance event, many athletes deliberately ①increase their carbohydrate intake while reducing training volume, a practice known as carbohydrate loading. The strategy is designed to ②maximize the amount of glycogen, the storage form of carbohydrate, packed into muscle tissue before competition begins. Sports nutritionists caution, however, that the timing and composition of meals matter as much as the total quantity of carbohydrate consumed, since eating ③familiar foods immediately before competition can cause digestive discomfort. Athletes are therefore advised to ④practice their nutrition strategy during training rather than experimenting with it for the first time on race day. Beyond carbohydrates, adequate protein and micronutrient intake throughout the training cycle remains ⑤essential, since fueling strategy is only one part of a much larger nutritional picture.

Imagine a cafeteria where a healthy salad sits at eye level while fried snacks rest on a low shelf. Nobody is forbidden from choosing the snacks, yet most people quietly pick the salad instead. This simple technique illustrates a nudge, a concept from behavioral economics _______________. Companies and governments increasingly apply nudges to encourage sustainable consumption. For example, some hotels print reminders on towels stating that most guests reuse them, which persuades new guests to do the same and save water. Similarly, energy bills that compare a household's usage with that of efficient neighbors often lead people to reduce electricity use. Unlike strict regulations or heavy taxes, nudges rely on subtle changes in design rather than force. Critics argue nudges alone cannot solve large environmental problems, but combined with stronger policies, they can meaningfully shift everyday habits toward sustainability.

주어진 문장: This gap between image and reality is precisely what makes the practice so misleading. Many companies now advertise themselves as environmentally responsible, yet a growing number of these claims turn out to be misleading. ( ① ) This practice, known as greenwashing, occurs when a business spends more effort marketing its products as eco-friendly than actually reducing environmental harm. ( ② ) A company might launch a recycled-packaging line while continuing to pollute rivers through its main factories, creating a false impression of genuine change. ( ③ ) Such tactics deceive well-intentioned consumers who wish to shop responsibly but lack the tools to verify corporate claims. ( ④ ) In contrast, truly sustainable businesses publish detailed, independently verified data about their emissions and supply chains, allowing outsiders to check their progress. ( ⑤ ) Therefore, shoppers should look beyond vague labels like green or natural and instead search for recognized certifications, transparent reports, and measurable targets. Without such scrutiny, greenwashing will keep flourishing, undermining public trust and slowing the broader shift toward an economy that truly protects the planet.

In other words, sleep does not simply preserve what was learned but actively works to make sense of it. During sleep, the brain does not simply rest; it actively reorganizes the day's experiences into lasting memories through a process called consolidation. ( ① ) Newly formed memories are initially fragile and stored primarily in a brain region called the hippocampus, which has limited long-term capacity. ( ② ) While a person sleeps, particularly during the deep stages of non-REM sleep, neural activity replays these fresh memory traces in rapid, compressed sequences, gradually transferring the information to the cortex for more durable, long-term storage. This replay strengthens the connections between neurons that encoded the original experience, making the memory more resistant to interference from unrelated events the following day. ( ③ ) Sleep researchers have demonstrated this effect experimentally: participants who slept after learning a list of word pairs recalled more items the next day than participants who remained awake instead. ( ④ ) Crucially, the benefit was not limited to simple recall; sleep also seemed to help participants extract general patterns from the material, suggesting that consolidation involves more than passive storage. ( ⑤ )

Because this feedback loop relies entirely on light rather than on the clock on the wall, melatonin release can shift dramatically when a person travels across time zones or works through the night. Melatonin is a hormone produced by a small gland deep within the brain, and its release follows a remarkably predictable daily pattern. ( ① ) Levels stay low throughout the bright hours of the day, begin rising in the evening as darkness falls, peak in the middle of the night, and then decline again as morning approaches. ( ② ) This rhythm is controlled primarily by light: specialized cells in the eye detect brightness and send signals that either permit or suppress melatonin production, which is why exposure to bright screens late at night can delay its release and make falling asleep more difficult. ( ③ ) Unlike some hormones that directly cause the body to perform a task, melatonin does not force sleep to occur; instead, it signals to the rest of the body that night has arrived, preparing various systems to shift into a lower-energy state. ( ④ ) Because of this signaling role, taking melatonin supplements at the wrong time can shift a person's internal clock in the opposite direction from what was intended. ( ⑤ )

주어진 문장: Vague intentions, by contrast, give the brain no clear signal about when effort should begin or end. Setting a goal such as 'I will study harder' rarely leads to meaningful improvement. ( ① ) According to psychologists Edwin Locke and Gary Latham, specific and challenging goals produce far better performance than vague or easy ones. ( ② ) This idea, known as goal-setting theory, suggests that clear targets direct attention and sustain effort over time. ( ③ ) To apply this theory effectively, many educators recommend the SMART framework, which requires goals to be Specific, Measurable, Achievable, Relevant, and Time-bound. ( ④ ) For instance, a student following this framework might say, 'I will memorize thirty new words every week for two months.' Because the goal includes a clear number and a deadline, progress becomes easy to track and evaluate. Challenging goals also tend to increase motivation, since people often work harder when a target feels meaningfully difficult rather than trivially simple. ( ⑤ )

주어진 문장: Some researchers even suggest that painting rooftops white could further help reflect sunlight away from buildings. On a summer evening, downtown streets often feel noticeably hotter than nearby parks or suburban neighborhoods, even after the sun has set. ( ① ) This phenomenon, known as the urban heat island effect, occurs when cities retain more heat than surrounding rural areas because of their dense concentration of asphalt, concrete, and buildings. ( ② ) Unlike soil or vegetation, which absorb and release heat gradually, these man-made surfaces absorb sunlight during the day and slowly radiate it back at night, preventing temperatures from cooling. ( ③ ) Tall buildings packed closely together also block wind, trapping warm air within narrow streets. ( ④ ) In contrast, areas with abundant trees and open water naturally stay cooler, since plants release moisture that helps lower surrounding temperatures. To reduce this effect, many cities have begun installing rooftop gardens and expanding public parks, hoping that additional greenery will absorb less heat than pavement does. ( ⑤ )

A request as ordinary as asking for tomorrow's weather, for instance, triggers a surprisingly long chain of computation behind the scenes. Smart speakers have quietly become a fixture in many households, responding to spoken requests for weather updates, music, or kitchen timers. ( ① ) Behind this simple exchange lies a complex process: the device converts sound waves into text, interprets the meaning using language models, and then generates a spoken reply, all within a second or two. ( ② ) Because these assistants improve by learning from millions of interactions, they gradually become better at recognizing regional accents and casual phrasing that once confused them. ( ③ ) Still, the technology remains far from perfect. ( ④ ) Background noise, overlapping voices, or an unusual sentence structure can cause the assistant to misunderstand a simple request, sometimes with amusing results. ( ⑤ ) Engineers continue to refine these systems, but many admit that truly natural conversation remains one of the hardest goals in the entire field of artificial intelligence.