영어 모의고사 (자동 편성)

Retailers use a variety of techniques ①designed to encourage customers to make unplanned purchases. Online stores achieve a similar effect through countdown timers that ②create a false sense of urgency. Bright colors, cheerful music, and pleasant scents are also carefully chosen to put customers in a relaxed mood, ③making them less likely to think critically about their spending. Critics argue that these tactics ④exploits human psychology rather than genuinely informing consumers about a product's value. Shoppers who understand these strategies are better equipped ⑤to resist them.

Scientists have long searched for a way to describe, in a single coherent framework, the outer limits within which human activity can safely continue without ①stabilizing the planet's fundamental systems. The concept of planetary boundaries, introduced by earth-system researchers, identifies nine interconnected processes, including climate change, biodiversity loss, and nitrogen pollution, each possessing a threshold beyond which abrupt and ②irreversible change becomes likely. Unlike conventional environmental limits, often defined locally, these boundaries are framed at a planetary scale, reflecting the idea that the Earth functions as a single ③interdependent system rather than a collection of isolated regions. Crossing one boundary, proponents argue, does not merely damage the system involved but can also ④destabilize others, since climate, oceans, and land are bound together by feedback loops that transmit disturbance across the system. Some philosophers have likened this framework to a ship's safe operating margin, within which passengers may move freely without risking the vessel's stability. Critics, however, contend that the boundaries are drawn with more ⑤confidence than the data can support.

Many students think that reading a book quietly by themselves is enough, but book discussion classes add something that solo reading cannot provide. When students explain their ideas out loud, they often discover thoughts they did not even know they had. Teachers who use discussion classes report that students remember plot details and themes far longer than students who only read silently and take a quiz afterward. This happens because _______________. Discussion also teaches students to listen carefully, since they must respond directly to classmates instead of simply waiting for their own turn to speak. For these reasons, many schools are now adding weekly discussion sessions to their reading programs.

Rewilding, a conservation strategy that seeks to restore natural processes with minimal human interference, has gained attention as traditional conservation struggles to halt biodiversity loss. Rather than managing landscapes according to a fixed blueprint, rewilding projects often reintroduce key species, such as large predators, whose presence can trigger cascading effects. Advocates point to the reintroduction of wolves in certain parks, where predation altered grazing behavior, allowing riverside vegetation to recover and stabilizing soil that had long been eroding. Skeptics, however, warn that rewilding can provoke serious conflict with nearby communities, particularly when predators prey on livestock or restored habitats limit land for agriculture. Moreover, critics argue that restoring landscapes to an imagined pristine state is scientifically dubious, since ecosystems have long been shaped by human activity. Compensation programs reimbursing farmers for livestock losses, alongside ecotourism initiatives creating local income, have proven essential to sustaining public support. Ultimately, _______________.

Minjun used to leave half of his lunch tray full of untouched rice and vegetables every day. (A) However, his teacher explained that leftover food thrown away every day adds up to a huge amount of waste. She compared uneaten food to money dropped carelessly on the street, which nobody bothers to pick up. (B) Last spring, his class started a campaign called "Clean Plate Day" to reduce food waste, but at first, Minjun thought it sounded boring and unnecessary for someone like him. (C) This comparison surprised Minjun because he had never thought about food that way before. He decided to take only what he could finish and to try new vegetables slowly. Within a few weeks, his tray was almost always empty, and he felt proud of the change. Other students noticed his effort and began doing the same thing.

For most of the twentieth century, a library was simply a quiet room full of books, and visitors were expected to stay silent while they searched the shelves. (A) Librarians say this change did not happen by accident, since fewer people needed a library simply to find facts as more information moved online. (B) The answer, in many neighborhoods, turned out to be space itself: a warm, free place where students could study together and children could attend a story hour. (C) Today, many public libraries look completely different, offering group study rooms, comfortable sofas, computer labs, and even small recording studios for podcasts alongside the usual shelves.

This mismatch between internal time and local time is the true source of the problem, not the flight itself. Travelers who cross several time zones in a single flight often arrive feeling exhausted, foggy, and strangely out of sync with the local clock, a condition widely known as jet lag. ( ① ) The discomfort arises because the body's internal clock, which governs sleep, hunger, and alertness, continues to run on the schedule of the departure city even after landing. ( ② ) Realigning this internal clock to a new time zone is not instantaneous; researchers estimate that the body typically needs about one day to adjust for every time zone crossed. ( ③ ) Flying eastward tends to produce more severe symptoms than flying westward, because advancing the internal clock forward is generally harder for the body than delaying it. ( ④ ) Exposure to natural light at the right moments after arrival can help speed up the adjustment, since light is the strongest external cue the internal clock uses to reset itself. ( ⑤ ) Without such adjustments, travelers may continue to experience disrupted sleep and reduced concentration for several days after a long international flight.

This is because waiting for paramedics to arrive can cost a student the few minutes that make the difference between recovery and tragedy. A food allergy can turn an ordinary snack shared between classmates into a medical emergency within minutes, which is why schools now take ingredient labels more seriously than they once did. ( ① ) For someone with a severe allergy, even a trace amount of the wrong ingredient, transferred by a shared spoon or an unwashed hand, can trigger a reaction that closes the airway and becomes life-threatening if untreated. ( ② ) Friends of allergic students sometimes assume that a small bite would not cause serious harm, not realizing that the amount needed to trigger anaphylaxis can be smaller than a crumb. ( ③ ) Recognizing the early signs, such as swelling around the lips, hives, or sudden difficulty breathing, allows classmates and teachers to act before the reaction becomes severe. ( ④ ) Many schools now train staff to use an epinephrine auto-injector, a device that can reverse a dangerous reaction within seconds. ( ⑤ )

Under such chaotic conditions, even a familiar hallway can suddenly feel like unknown territory. Every semester, students groan when the fire alarm rings for another routine drill, filing out of the building as if the exercise were simply a break from class. ( ① ) This casual attitude, however, overlooks why the drill exists in the first place. ( ② ) During an actual fire, thick smoke can fill hallways within minutes, cutting visibility to almost nothing and making it dangerously easy to panic or take a wrong turn. ( ③ ) Repeating the same evacuation route again and again trains the body to move automatically, even when the mind is too frightened to think clearly. ( ④ ) Firefighters note that students who have practiced an escape route calmly walk toward the nearest exit purely out of habit, while those unfamiliar with the building often freeze or hesitate at doorways. ( ⑤ ) A fire drill that feels pointless in the classroom can therefore become the very reason a real evacuation succeeds without injury.

As a result, your body struggles to adapt, and this can weaken your immune system over time. Air conditioners make summer days more comfortable, but a larger gap between indoor and outdoor temperatures forces your body to face sudden changes again and again. ( ① ) Many people still set the temperature far below the outdoor temperature to cool down quickly, without realizing the risk. ( ② ) However, doctors recommend keeping the difference between indoor and outdoor temperatures within five or six degrees. ( ③ ) This often leads to symptoms such as headaches, fatigue, and a stuffy nose. ( ④ ) To avoid these problems, set a moderate temperature and open a window for a few minutes every hour. ( ⑤ ) Following these tips will help you stay both cool and healthy this summer.