영어 모의고사 (자동 편성)

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.

Suppose a mad scientist removed a living brain from its body, ①placed it in a vat of nutrient fluid, and connected its neurons to a supercomputer capable of generating perfectly realistic sensations. The brain would experience a full and convincing world, complete with a sky, a body, and other people, without ever ②suspecting that none of it existed outside the simulation. This scenario, unsettling as it sounds, raises a genuinely difficult question for anyone ③confident in their own perception: how could a person ever prove that they are not that very brain right now? Ordinary evidence cannot help, since any proof gathered through the senses would itself ④be generated by the same simulation being tested. Some philosophers conclude that absolute certainty about the external world is simply unattainable, while others argue that the mere possibility of deception, however vivid, ⑤are not sufficient reason to abandon our everyday trust in what we perceive.

Biodegradable plastics have been promoted as a promising solution to plastic waste, since they ①are designed to decompose into natural substances rather than persist for centuries. Manufacturers derive these materials from renewable resources such as corn starch, blending them with additives that ②accelerates microbial breakdown once discarded. However, their environmental benefits are often exaggerated, largely because decomposition depends on specific conditions rarely ③found outside industrial composting facilities. For example, a bag labeled biodegradable may take years, not the weeks advertised, to break down in a landfill or ocean, where temperature and microbial activity remain low. In addition, when mixed with conventional plastics in recycling streams, they can contaminate the process, ④weakening the quality of materials produced afterward. Some engineers therefore compare biodegradable plastics to a bridge that leads nowhere unless paired with infrastructure that completes the journey. Ultimately, realizing their genuine potential requires not only technological refinement but also facilities capable of ⑤providing the precise conditions decomposition demands.

When consumers compare two products and assume that the one labeled "eco-friendly" is automatically the more ①sustainable choice, they often overlook the complexity involved in verifying such a claim. Life cycle assessment, commonly abbreviated as LCA, is a systematic method developed to evaluate the environmental impact of a product across every stage of its existence. By tracing a product from its origin to its disposal, this approach reveals impacts that might otherwise remain ②hidden from consumers who see only the finished item on a shelf. For example, an electric vehicle may produce no emissions while being driven, yet the mining of metals for its battery can generate ③substantial environmental costs elsewhere. Without accounting for these earlier stages, a ④superficial comparison could mistakenly present the vehicle as entirely emission-free. Therefore, researchers increasingly rely on life cycle assessment to make ⑤uninformed decisions rather than trusting labels alone.

As efforts to ①curb greenhouse gas emissions intensify, industries unable to eliminate carbon dioxide from their processes have turned to a technology known as carbon capture and storage. This technology involves separating carbon dioxide from the exhaust of power plants before it is released into the atmosphere, then transporting the captured gas for underground injection. Once injected into porous rock formations, the gas is trapped beneath layers of impermeable rock that prevent it from escaping into the air. Proponents argue that carbon capture and storage functions as a bridge technology, allowing heavy industries to keep operating while more sustainable alternatives are ②developed. For instance, cement and steel production, both of which release carbon dioxide as an ③unavoidable byproduct of chemical reactions, are considered prime candidates for this approach. However, critics contend that the technology remains prohibitively ④cheap and that building pipelines requires investments few companies make voluntarily. Despite such concerns, many governments continue funding pilot projects, convinced that this technology will play an ⑤indispensable role in reaching emission targets.

Socialization is the lifelong process through which individuals absorb the norms, values, and roles that allow them to function within a society, beginning in the family and continuing through schools, peer groups, and workplaces. Most of this process unfolds ①gradually and is barely noticed by the people experiencing it. Resocialization, by contrast, refers to a ②deliberate and often abrupt process in which an individual is stripped of a previous identity and trained to adopt a new set of norms, typically within what sociologist Erving Goffman called a total institution. These institutions frequently begin the process with what Goffman termed a mortification of self, ③preserving personal possessions and erasing markers of prior status so that recruits can be rebuilt according to institutional expectations. While resocialization can help individuals ④adapt to demanding new roles, critics note that total institutions can also produce lasting psychological strain by ⑤severing the very social ties that once anchored a person's sense of self.

Medieval philosophers told the story of a hungry donkey placed exactly midway between two identical, equally fragrant piles of hay, with no factor whatsoever tipping the balance toward either option. Because the donkey is assumed to be a perfectly ①rational creature that always chooses the option supported by the strongest reason, and because neither pile offers any advantage over the other, the donkey supposedly finds itself with no rational basis for choosing one pile rather than the other. ②Paralyzed by this perfect symmetry, the donkey starves to death precisely because it can find no reason to move in either direction. Critics of the story point out that real animals, and real humans, rarely face situations of such flawless symmetry, and that even a tiny, ③arbitrary preference is usually enough to break the tie in practice. The paradox nevertheless raises a serious question about whether purely rational deliberation can ever ④generate action on its own, without some additional nudge that reason alone ⑤willingly supplies.

Imagine a brilliant scientist named Mary who has spent her entire life inside a black-and-white room, learning everything physical science could ever teach about color, including the exact wavelengths of light and the precise neural processes triggered when a person sees red. Despite this complete physical knowledge, Mary herself has never actually seen a color; every book, screen, and object in her world has been carefully restricted to shades of gray. Suppose that one day Mary is finally released from the room and shown a ripe red tomato for the first time. Philosopher Frank Jackson argued that Mary would learn something entirely new at that moment, namely what it actually feels like to see red, even though she already possessed every physical fact about color there was to know beforehand. If Mary genuinely gains new knowledge upon leaving the room, then _______________.

The immune system produces an almost limitless variety of antibodies, each shaped to latch onto one particular molecular target with remarkable specificity. (A) Monoclonal antibody drugs harness this natural precision by cloning a single antibody-producing cell in the laboratory, generating an army of identical antibodies built to recognize one target, such as a protein on a cancer cell or a molecule driving an autoimmune disease. (B) Because the antibody binds only to its intended target, these drugs tend to spare healthy tissue far more effectively than traditional chemotherapy, which attacks any rapidly dividing cell regardless of whether it is cancerous. (C) Manufacturing monoclonal antibodies remains far more complicated than producing a conventional small-molecule pill, and this complexity keeps monoclonal antibody treatments considerably more expensive than most conventional drugs, a cost that continues to shape debates over pricing and access.

One might expect such clear advantages to translate quickly into widespread demand, but the reality has proven far messier. A cricket contains, gram for gram, roughly as much protein as beef, yet requires a small fraction of the land, water, and feed needed to raise cattle. ( ① ) This efficiency has drawn growing attention from researchers looking for ways to feed a global population that continues to climb while arable land remains essentially fixed. ( ② ) Insects also convert feed into body mass with remarkable efficiency, since they are cold-blooded and therefore spend far less energy regulating body temperature than a cow or pig must. ( ③ ) Despite these advantages, insect protein has struggled to gain acceptance in many cultures. ( ④ ) The idea of eating insects triggers a reflexive disgust that no nutritional argument alone seems able to overcome. ( ⑤ ) Food companies have responded by grinding insects into a flour that disappears into protein bars, pasta, and baked goods, letting consumers benefit from the nutrition without ever having to look an insect in the eye.