영어 모의고사 (자동 편성)

When consumers compare two products and assume that the one ①labeled "eco-friendly" is automatically the more sustainable choice, they often overlook the complexity involved in verifying such a claim. Life cycle assessment, commonly abbreviated as LCA, is a systematic method ②developed to evaluate the environmental impact of a product across every stage of its existence. This method examines raw material extraction, manufacturing, transportation, use, and disposal, ③compiling data on energy consumption and emissions generated at each stage. By tracing a product from its origin to its disposal, this approach reveals impacts that might otherwise remain hidden from consumers who ④sees only the finished item on a shelf. Without ⑤accounting for these earlier stages, a superficial comparison could mistakenly present the vehicle as entirely emission-free.

Metacognition, broadly ①defined as the capacity to monitor and evaluate one's own cognitive processes, is often ②treated as a reliable guide to what we actually know, yet a growing body of evidence suggests that the correspondence between subjective confidence and objective accuracy is far weaker than intuition would suggest. Individuals routinely overestimate how thoroughly they have understood a passage of text immediately after reading it, a phenomenon partly attributable to the fluency with which the material ③were processed rather than to any genuine grasp of its underlying structure. Because rereading familiar material ④tends to feel effortless, learners frequently mistake that ease of processing for durable comprehension, a misattribution that can lead them to abandon further study prematurely. This gap between perceived and actual mastery, sometimes labeled the illusion of knowing, has practical consequences for education, since students who trust their inflated self-assessments are less likely to seek out the more effortful, retrieval-based strategies that ⑤would otherwise consolidate their learning.

Desalination, the process of ①removing dissolved salts from seawater to produce fresh water, has increasingly been adopted by coastal regions facing chronic water scarcity. Most modern facilities rely on reverse osmosis, a technique in which seawater is ②forced through membranes whose microscopic pores block salt while letting water molecules pass. Because this method consumes far less energy than the thermal distillation once dominant in the industry, it has become the preferred choice for large-scale plants. Nevertheless, desalination remains an inherently costly and environmentally burdensome solution, a fact often overlooked amid enthusiasm for ending water shortages. For instance, the process generates a concentrated byproduct called brine, which, when discharged without adequate dilution, can raise local salinity to levels that ③harms marine life. Pumping seawater through membranes at high pressure also ④demands substantial electricity, so plants powered by fossil fuels can worsen the emissions that intensify drought. Therefore, engineers increasingly argue that desalination should be ⑤treated not as a stand-alone remedy but as one component of a broader conservation strategy.

Generative AI systems learn to write, draw, and compose by studying ①enormous collections of existing human work, much of which was created without the artists' knowledge or consent. Supporters of the technology argue that this process resembles how a human student learns by studying the masters, ②absorbing style and technique rather than copying specific pieces. Critics respond that the comparison ③holds up perfectly at scale, since a single AI model can absorb millions of works in days. Courts around the world are now being asked to decide whether training an algorithm on copyrighted material counts as fair use or as ④infringement. Until clearer rules emerge, artists, developers, and publishers remain locked in a legal ⑤gray zone that satisfies almost no one.

Time travel to the past has long fascinated physicists and philosophers alike, but it also generates a famously troubling ①contradiction. Suppose a traveler journeyed backward in time and, through some combination of accident and intention, prevented their own grandfather from ever meeting their grandmother. If the grandfather never had children, the traveler themselves would never have been born, which means the traveler could never have existed to make the trip in the first place. Yet if the traveler never made the trip, the grandfather would have ②survived to meet the grandmother after all, allowing the traveler to be born and eventually travel back in time. The story therefore ③loops endlessly, undermining itself at every turn rather than settling into any stable outcome. Some physicists resolve the paradox by arguing that any consistent timeline must ④permit such self-defeating actions to succeed freely, while others propose that a traveler who alters the past simply branches off into a separate, parallel timeline instead, an idea many find ⑤appealing precisely because it avoids the contradiction altogether.

Picture a woman who receives a plain ceramic mug as a free gift at a conference and, later that afternoon, refuses to sell it for anything less than triple its price in the gift shop downstairs. Before she owned the mug, she would never have paid extra for it; once it became hers, however, its value in her mind rose sharply, simply because she now possessed it. Owners consistently demand more money to give something up than buyers are willing to offer for that very same item, _______________. Some economists argue that this effect explains why negotiations over inherited property so often collapse, since each side quietly attaches a different value to what it currently holds.

Classical economic theory assumes that consumers evaluate every price change in the same rational way, weighing marginal benefit against marginal cost regardless of the absolute numbers involved. Behavioral economists, however, have discovered a striking exception: the moment a price drops to exactly zero, people's judgment shifts in a way that ordinary discounting cannot explain. In a well-known laboratory experiment, participants chose between two chocolates, one of higher quality priced at a small fee and one of lower quality offered for free. When both prices were merely reduced by the same amount, most participants still preferred the higher-quality option. Yet once the cheaper chocolate's price was lowered to zero, the majority abruptly switched their preference, even though the price gap between the two options had not actually changed. Researchers explain this reversal by noting that _______________.

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.

Imagine a distant planet identical to Earth in every visible respect, except that the clear liquid its inhabitants call "water" is not H2O but a different compound, XYZ, that happens to look, taste, and behave exactly the same. (A) Even though the two speakers hold identical thoughts and mental images when they use the word, their statements refer to two different substances, because the underlying chemical composition fixes what a word ultimately picks out. (B) When an Earthling and a Twin Earthling each say the word "water," they seem to mean the same thing, since neither could tell the substances apart without a chemistry lab. (C) Philosopher Hilary Putnam used this scenario to argue that the meaning of a word is not determined solely by what happens inside a speaker's head.

주어진 문장: This danger arises because no single participant possesses both the authority and the incentive needed to restrict others' access to the resource. When a resource is shared among many users, none of whom bears the full cost of its depletion, each individual is tempted to extract as much value as possible before others do the same. ① This dynamic, famously labeled the tragedy of the commons, describes how shared pastures and fisheries can be degraded even when every participant privately understands the danger of overuse. ② A single herder who adds one more animal to a communal pasture gains the entire benefit of that addition, whereas the resulting damage to the grass is shared among other herders who depend on the land. ③ Because self-interest offers no incentive to restrain consumption unilaterally, the resource tends to be exhausted long before any user intends such an outcome. ④ For decades, economists assumed that only two remedies existed: strict regulation or the conversion of shared resources into private property. ⑤ Elinor Ostrom challenged this assumption, however, by documenting communities that had sustainably managed fisheries and forests for generations through locally devised rules and mutual monitoring rather than external control. ① ② ③ ④ ⑤