영어 모의고사 (자동 편성)

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.

Individuals confronted with a set of options frequently ①default to whichever alternative requires no active decision at all, a tendency scholars term the status quo bias. Rather than weighing the merits of each available choice afresh, decision-makers often treat the current arrangement as a reasonable baseline simply because it already exists, even when ②switching would plainly serve their interests better. This pattern becomes especially apparent in contexts where enrollment in a program ③depend on a default setting. When employees must actively opt into a retirement savings plan, participation rates remain stubbornly low; yet when the same plan is presented as automatic unless an employee opts out, participation rises dramatically, despite the fact that the underlying financial terms ④are identical in both cases. Two forces appear to drive this asymmetry: first, the cognitive effort required to evaluate alternatives, and second, an aversion to the potential regret that ⑤might follow an active decision that turns out poorly.

Before a large-scale construction project such as a highway or dam receives government approval, planners in many countries are required to conduct an environmental impact assessment, a formal process ①designed to predict and evaluate the ecological consequences of a proposed development. This process begins with a baseline survey, in which specialists ②document existing conditions, including wildlife, water quality, and air composition, so that future changes can be measured against a reference point. Analysts then model how the project might alter these conditions, ③drawn on data from comparable developments. For instance, a proposed highway that would bisect a forest might be evaluated for its potential to fragment habitats, ④disrupting migration routes on which certain species depend. If the assessment identifies unacceptable risks, planners may be required to redesign the project or adopt mitigation measures such as wildlife corridors. Critics contend, however, that assessments are sometimes treated as a bureaucratic formality rather than a genuine constraint, since developers who ⑤commission the studies retain strong influence over how the findings are interpreted.

Change blindness refers to a striking limitation of human perception in which observers fail to notice substantial ① alterations to a visual scene, provided the change occurs during a brief disruption such as an eye movement or a momentary obstruction. In a now-famous demonstration, researchers showed participants two versions of a photograph in alternation ②, separated by a short blank screen, and asked them to identify what had changed. Even when an entire building disappeared or a person's clothing shifted color, many viewers stared at the picture without detecting anything unusual ③. This phenomenon occurs because visual attention, rather than passively recording every detail like a camera, actively selects only a narrow ④ subset of information for processing at any given moment. Whatever falls outside that narrow spotlight is represented only sparsely, if at all, leaving it vulnerable to being overwritten without notice. Consequently, change blindness demonstrates that our impression of a rich, complete visual world is, to a surprising extent, an illusion constructed by the mind, not an unreliable ⑤ record of external reality.

Philosophers sometimes ask their students to imagine a creature physically identical to an ordinary human being in every measurable respect, one that walks, talks, laughs, and even cries out in apparent pain when injured, yet that has no inner conscious experience whatsoever. This imagined being, commonly called a philosophical zombie, behaves ②completely differently from a conscious person, since every neuron fires in precisely the same pattern, but there is supposedly nothing it is like to be that creature from the inside. Defenders of the argument claim that because such a zombie is at least ①conceivable without any logical contradiction, consciousness itself cannot be fully explained by physical processes alone. Critics respond that mere conceivability ③proves very little about what is genuinely possible in the real world, and that our intuition about zombies may simply ④reflect the limits of imagination rather than a real gap in ⑤nature.

As efforts to curb 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 _______________. For instance, cement and steel production, both of which release carbon dioxide as an unavoidable byproduct of chemical reactions, are considered prime candidates for this approach. However, critics contend that the technology remains prohibitively expensive 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 indispensable role in reaching emission targets.

Traditional economic models predict that a rational individual offered any positive sum of money, however small, should accept it without hesitation. A simple experimental exercise known as the ultimatum game consistently contradicts this prediction: when the proposer offers a division perceived as unfair, the second participant frequently rejects the offer entirely, leaving both parties with nothing. Such evidence challenges the assumption that economic actors pursue only their own material self-interest, demonstrating instead that considerations of ___________ can override the straightforward pursuit of maximum individual gain.

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 _______________.

Biodegradable plastics have been promoted as a promising solution to plastic waste, since they are designed to decompose into natural substances rather than persist for centuries. (A) 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, weakening the quality of materials produced afterward. (B) 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 providing the precise conditions decomposition demands. (C) Manufacturers derive these materials from renewable resources such as corn starch, blending them with additives that accelerate microbial breakdown once discarded. However, their environmental benefits are often exaggerated, largely because decomposition depends on specific conditions rarely found outside industrial composting facilities.

Robert Putnam popularized the concept by documenting a decline in civic participation, noting that fewer Americans joined bowling leagues, parent associations, or local clubs even as bowling itself remained popular, a trend he captured in the phrase bowling alone. Economists traditionally measured a community's wealth in terms of factories, income, or infrastructure, yet sociologists increasingly point to a less visible resource: social capital, the networks of trust and reciprocity that allow people to cooperate for mutual benefit. ( ① ) Communities rich in social capital tend to enjoy lower crime and more effective local government, because neighbors who know and trust one another can coordinate informally without relying entirely on formal institutions. ( ② ) However, social capital is not uniformly beneficial. ( ③ ) Tightly bonded networks can also exclude outsiders and reinforce existing inequality. ( ④ ) For this reason, researchers increasingly distinguish between bonding capital, which strengthens ties within a single group, and bridging capital, which connects otherwise separate communities. ( ⑤ )