영어 모의고사 (자동 편성)

Climate scientists frequently warn about tipping points, thresholds beyond which a small additional change ①triggers a large, often irreversible shift in the climate system. Unlike gradual warming, which unfolds steadily over decades, crossing a tipping point can produce dramatic consequences within a short period. For instance, as Arctic ice melts, it exposes darker ocean water that ②absorb more sunlight than reflective ice, accelerating further melting in a self-reinforcing cycle. Similarly, scientists worry that a major ocean current, which currently ③redistributes heat across the planet, could slow dramatically if enough freshwater from melting glaciers dilutes the surrounding seawater. Once such thresholds are crossed, ④restoring the original balance may become nearly impossible, even if emissions are later reduced. Therefore, researchers argue that preventing these transitions ⑤matters more than merely slowing average temperature increases.

Online advertising algorithms analyze enormous amounts of user data ①to determine which products a person is most likely to purchase. Every click, search, and pause while scrolling provides information that these systems use ②to refine future advertisements. Supporters argue that this level of precision benefits consumers by ③reducing exposure to irrelevant advertisements and highlighting products they genuinely need. Critics, however, worry that constant exposure to tailored ads can encourage unnecessary spending, since algorithms ④is specifically designed to identify and exploit individual weaknesses. Greater transparency, many experts argue, would allow consumers ⑤to make more informed decisions about their own online behavior.

During the hottest weeks of summer, the city operates free cooling centers for anyone who needs a break from the heat. These cooling centers provide air-conditioned spaces where visitors can rest ①comfortably. Anyone can use the facilities, but they are especially helpful for elderly people and those ②without air conditioning at home. There is no cost to use these centers, and no reservation is ③required. City officials encourage residents to check the nearest location on the city website, since operating hours may vary slightly by ④site. Making use of these cooling centers can help ⑤cause heat-related illnesses during extreme heat warnings.

As nudging has moved from academic theory into ①declining practice, a persistent ethical question has accompanied its rise: at what point does subtly guiding behavior for someone's own benefit shade into manipulation that undermines their capacity for autonomous choice? Proponents typically distinguish nudges from manipulation by pointing to transparency and reversibility, arguing that a legitimate nudge operates openly, can be easily ②resisted by anyone who wishes to opt out, and ultimately serves the interests of the person being nudged rather than the interests of whoever designed the intervention. Critics counter that this distinction often ③collapses in practice, since many effective nudges work precisely because they exploit cognitive processes operating below conscious awareness. A supermarket that arranges healthier foods at eye level, for instance, differs only in the direction of its influence, not in its underlying mechanism, from a supermarket that arranges the most profitable items at eye level, raising the uncomfortable possibility that any choice architecture inevitably shapes behavior regardless of whose interests it ultimately ④serves. This tension suggests that the ethical status of a nudge cannot be evaluated by examining its psychological mechanism alone; instead, it must be judged according to the ⑤intentions of the party who designs it.

Millions of people now wear devices that continuously track their heart rate, sleep patterns, and daily activity. Users generally assume this information belongs to them, since it is drawn directly from their own bodies. In practice, however, the terms of service that few people read often grant the manufacturer broad rights to store, analyze, and even sell anonymized versions of that data. Advocates for reform argue that biological data deserves a category of protection stronger than ordinary consumer information, precisely because _______________.

Engineers are now exploring implants and prosthetics designed to give healthy people abilities beyond ordinary human limits. Supporters frame this as simply the next step in a long history of human enhancement, no different in principle from eyeglasses or vaccines. Critics counter that earlier enhancements were broadly available to anyone regardless of wealth, while cutting-edge neural and physical implants are likely to remain expensive for decades, potentially _______________.

Turning off lights when you leave a room seems like a tiny action, but _______________. Every light left on in an empty room wastes electricity that could have powered something useful elsewhere. For example, a single classroom light left on overnight can waste enough energy to charge dozens of phones. This habit is similar to leaving a faucet running while you brush your teeth, where water flows out for no reason. Both actions seem harmless in the moment, but they add up to a serious waste over time. Some students argue that a single light does not make much difference. However, when an entire school forms this habit together, the total amount of saved energy becomes significant. Therefore, this small daily habit can create a surprisingly large positive effect for the whole planet.

Many people give up on their new year's resolutions within just a few days, and psychologists explain that this happens mainly because of _______________. First, willpower is like a muscle that becomes tired after being used too much, so people often run out of self-control by the end of a busy day. Second, many resolutions are unrealistic from the beginning, since people set goals that are far too difficult to reach in a short time. Third, most resolutions do not offer any immediate reward, so people find it hard to stay motivated without seeing fast results.

Factories that once employed hundreds of workers on an assembly line now run with a fraction of that staff, as robotic arms handle tasks that used to require human hands. (A) However, critics point out that earlier transitions unfolded over generations, giving workers time to retrain, whereas today's robots are being deployed much faster. (B) Historical evidence offers some comfort: previous waves of automation eventually created new categories of work that no one had predicted. (C) A factory worker displaced this year, therefore, cannot simply wait for a new industry to emerge decades from now.

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.