영어 모의고사 (자동 편성)

As cities have expanded across landscapes once covered with absorbent soil, impervious surfaces have turned stormwater from a resource that ①recharges groundwater into a hazard that floods streets and carries pollutants into waterways. Green infrastructure, which ②mimic the hydrological functions that natural landscapes once performed, offers planners a way to treat the city as a sponge rather than a rigid drainage pipe. Rain gardens, shallow depressions planted with deep-rooted vegetation, are designed to capture runoff from rooftops, ③allowing it to filter slowly through soil before reaching underground aquifers. Permeable pavement, made of porous materials ④that let water pass directly through, serves a similar purpose along sidewalks, where asphalt would remain impenetrable. For example, cities that replaced pavement with permeable alternatives have reported notable reductions in flooding during storms that once overwhelmed sewers. However, engineers caution that green infrastructure cannot entirely replace conventional pipes in dense cores, where heavy runoff still ⑤requires structural reinforcement. Consequently, municipalities now regard green and gray infrastructure as complementary systems, each compensating for the other's limitations.

A striking proportion of individual investors believe their own stock-picking ability to be above average, a statistical impossibility given that only half of any population can genuinely outperform the rest, yet a pattern that ①persists with remarkable consistency across surveys. This tendency, known as overconfidence bias, leads investors ②to trade more frequently than a more cautious assessment of their own skill would justify. Extensive research comparing the trading records of numerous individual accounts has demonstrated that investors who trade most frequently ③tends to earn substantially lower returns than those who trade rarely, largely because transaction costs accumulate and because frequent trading often reflects overconfident reactions to short-term noise rather than genuine insight. Overconfidence also manifests in the tendency to underestimate the range of possible outcomes, ④causing investors to concentrate their holdings in a small number of assets they feel certain about rather than diversifying across a broader portfolio. Paradoxically, then, the very confidence that motivates investors to act decisively often ⑤undermines the outcomes they are trying to achieve.

Philosophers often pair the classic trolley problem with a companion case ①designed to test whether our moral intuitions are actually consistent. Imagine a brilliant surgeon who has five patients, each dying from the failure of a different organ, and one healthy visitor in the waiting room whose organs ②happen to be a perfect match for all five. If the surgeon secretly killed the healthy visitor and transplanted the organs, five lives would ③save at the cost of one, exactly the same arithmetic used to justify diverting a runaway trolley onto a track with a single worker. Yet almost everyone who accepts the trolley diversion ④recoils immediately at the idea of the surgeon cutting up an unwilling patient, even though the numbers are identical in both cases. Philosophers use this contrast to argue that outcomes alone cannot fully explain our moral judgments, something that appears ⑤to matter deeply to most people's sense of right and wrong.

Two drivers, equally distracted by their phones, run a red light in exactly the same careless manner. By pure chance, a child happens to be crossing the street in front of one driver but not the other; the first driver kills the child, while the second driver drives through safely and never even notices the danger. Although both drivers behaved ①identically and made exactly the same reckless choice, society judges them very differently: one faces criminal charges and lifelong guilt, while the other receives, at most, a minor traffic ticket. Philosophers call this troubling ②asymmetry moral luck, since factors entirely outside a person's control end up determining how severely we judge their moral character. If moral responsibility is supposed to ③depend heavily on luck and circumstance rather than on what a person chooses and intends, this outcome seems deeply unfair, yet few people are willing to excuse the unlucky driver as if nothing worse had happened. Moral luck suggests that our everyday judgments rest on a foundation far ④shakier than we usually like to admit, a fact many find genuinely ⑤unsettling.

As private companies develop the technology to mine asteroids for rare metals and water, a legal question once confined to science fiction has suddenly become ①urgent: who, if anyone, owns the resources of outer space? Existing international treaties state that no nation may claim sovereignty over celestial bodies, but they say remarkably ②little about whether a private company may extract and sell what it finds there. Some governments have already passed domestic laws granting their own companies rights to material mined in space, a move that other nations view as a ③collective attempt to settle a question that should be decided collectively. Supporters of space mining argue that new resources could ④ease shortages on Earth and fund further exploration, while critics ⑤warn that treating space as an open frontier for extraction risks repeating the same mistakes that colonization caused on Earth.

Working memory refers to the mental workspace in which information is ①temporarily held and manipulated while a person performs a cognitive task. Such tasks include solving an arithmetic problem, following a rapid conversation, or holding a phone number in mind before dialing it. In the mid-twentieth century, the psychologist George Miller proposed that this workspace could accommodate roughly seven discrete items. His claim proved so ②influential that it became widely known as the magic number seven. Subsequent research, however, revealed that Miller's estimate was somewhat ③conservative, since it failed to account for the complexity of the material being remembered. Nelson Cowan later argued that when rehearsal strategies are ④prevented and attention is tightly controlled, genuine capacity hovers closer to four items rather than seven. This discrepancy suggests that what earlier studies had measured was not raw storage capacity itself but a hybrid quantity ⑤inflated by clever strategies. Contemporary psychologists therefore distinguish between the fixed limit of working memory and the flexible techniques that allow individuals to transcend that limit.

The ancient puzzle known as the ship of Theseus asks a deceptively simple question. If every plank of a wooden ship is replaced one by one over many years, is the vessel that eventually results still the same ship it once was? Most people's first instinct is to answer yes, since each individual replacement seems too small to erase the ship's identity. The puzzle grows far sharper, however, once a second twist is introduced. Suppose a careful collector gathered every discarded plank and reassembled them into a second vessel, built exactly as the original once stood. Two ships would then exist side by side, each with an equal claim to being the genuine one, and no obvious way to decide between them. Philosophers return to this old story again and again, not because they care about timber, but because it forces us to ask whether identity depends on continuous material, continuous form, or _______________.

Desalination, the process of removing 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 forced 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, _______________. For instance, the process generates a concentrated byproduct called brine, which, when discharged without adequate dilution, can raise local salinity to levels that harm marine life. Pumping seawater through membranes at high pressure also demands substantial electricity, so plants powered by fossil fuels can worsen the emissions that intensify drought. Therefore, engineers increasingly argue that desalination should be treated not as a stand-alone remedy but as one component of a broader conservation strategy.

Social mobility refers to the movement of individuals or families between different positions within a society's system of stratification, whether upward, downward, or sideways. A society is often judged by how much intergenerational mobility it permits, since high mobility suggests that outcomes depend more on effort and ability than on the accident of birth. Structural mobility, caused by large-scale economic shifts, must be distinguished from individual mobility, which results from a single person's particular choices. Research across many nations has found that education functions as the primary channel of upward mobility, yet access to quality education is itself unevenly distributed, meaning that _______________.

For much of the twentieth century, memory researchers assumed that once a memory had been consolidated—transformed from a fragile, short-term trace into a stable, long-term representation—it remained essentially fixed, immune to further modification unless the underlying neural circuitry was physically damaged. (A) During this narrow window, which typically lasts only a few hours, the memory can be strengthened, weakened, or even subtly distorted by new information encountered in the interim, after which it must undergo a second round of stabilization, a process now widely referred to as reconsolidation. (B) Consequently, what we experience as a stable recollection may actually be a continuously revised construction, reshaped every time it is summoned into conscious awareness and returned to storage. (C) This assumption, however, was overturned by a body of research demonstrating that the act of retrieval itself can destabilize a previously consolidated memory, rendering it temporarily susceptible to alteration before it is, in a sense, filed away again.