영어 모의고사 (자동 편성)

When people evaluate their personal contribution to water scarcity, they often consider only the water that flows directly from household taps, overlooking a far larger quantity ①consumed indirectly through the goods they purchase. The water footprint, a concept that extends this narrow view, measures the total volume of freshwater used to produce the goods and services an individual or a nation consumes. Central to this concept is the notion of virtual water, the water ②embedded invisibly within a product, from irrigating cotton fields to livestock ③raised for meat. For instance, producing a kilogram of beef can require several thousand liters of water, whereas a kilogram of vegetables typically demands a fraction of that amount. Nations that import water-intensive goods rather than ④producing them domestically are importing virtual water from regions that may face severe shortages. Critics caution, however, that focusing exclusively on aggregate volume can mislead policymakers, since a liter of water drawn from a region suffering drought ⑤carry far greater consequences than one drawn from a water-abundant area.

For decades, most vaccines worked by ①injecting a weakened or inactivated version of a pathogen, coaxing the immune system into recognizing an enemy it had never truly fought. mRNA vaccines take a fundamentally different route, ②delivering only a short genetic instruction wrapped in a protective lipid capsule, one that tells the body's own cells how to manufacture a single harmless piece of a virus's outer surface protein. Once those cells display the fragment, the immune system learns to recognize it as foreign and ③builds a defense, without ever having encountered the actual pathogen. Because the vaccine contains no live virus and cannot alter a cell's own DNA, developers can redesign the genetic instructions within weeks whenever a pathogen ④mutating, rather than starting the years-long process required for traditional vaccines. This speed, first proven on a global scale during a recent pandemic, has convinced many researchers that the same platform could eventually ⑤be adapted to fight diseases far beyond infectious illness, including certain cancers.

Cities are frequently several degrees ①cooler than the surrounding countryside, a phenomenon known as the urban heat island effect, which intensifies in summer and threatens public health. This disparity arises largely because asphalt and concrete absorb solar radiation during the day and slowly release it as heat throughout the night, preventing urban areas from cooling down. Furthermore, the ②scarcity of vegetation in densely built areas removes a natural cooling mechanism, since plants lower temperatures by evaporating water from their leaves. One widely used solution involves reflective "cool" roofing engineered to ③reflect more sunlight than dark rooftops absorb. In contrast, some cities have pursued permeable pavements that let water seep through and evaporate, ④cooling nearby surfaces. Collectively, these strategies show that reducing urban heat depends on ⑤combining approaches suited to a city's geography.

Structural functionalism approaches society as a complex system of ①interdependent parts, each contributing to the overall stability and smooth operation of the whole, much as organs contribute to the survival of a biological body. Sociologist Talcott Parsons argued that institutions such as the family, education, religion, and government each perform necessary functions, socializing new members and transmitting values, so that removing or weakening any one institution ②stabilizes the equilibrium of the entire system. Robert Merton refined this framework by distinguishing manifest functions, the intended and openly recognized consequences of a social practice, from latent functions, ③unintended consequences that nonetheless help sustain the system, such as schools serving not only to educate but also to provide childcare that allows parents to work. Critics have long charged that functionalism, by emphasizing stability and equilibrium, struggles to explain social ④conflict and rapid change, since it tends to interpret persistent inequality as somehow functional for society rather than as a problem requiring ⑤correction.

Even highly capable individuals can make disastrous collective decisions once they are absorbed into a tightly knit group, a phenomenon psychologist Irving Janis termed groupthink. Within cohesive committees, boards, and advisory councils, members often prioritize consensus and group harmony over a rigorous evaluation of alternatives, ①silencing doubts rather than risking the discomfort of dissent. Janis identified several warning signs, including an illusion of invulnerability that leads a group to ②underestimate risk, pressure on dissenters to fall in line, and self-appointed mindguards who ③shield the group from information that might disrupt its confidence. Sociologists extend this analysis beyond small committees, noting that entire organizations can develop cultures that ④punish conformity and reward employees who raise inconvenient questions. Historical inquiries into policy failures frequently reveal that critical information existed within the organization but never reached decision makers, because no one felt ⑤safe enough to voice it aloud.

A liver no longer has to sit inside a human body to be studied ①closely. By coaxing stem cells to organize themselves within a nutrient-rich gel, scientists can now grow ②miniature three-dimensional structures called organoids, which reproduce much of the architecture and function of a real organ despite being no larger than a grain of rice. Unlike flat cultures grown on a plastic dish, which ③preserve many of the cues that guide normal development, organoids let cells interact in three dimensions much as they would inside the body, yielding tissue that behaves in strikingly ④realistic ways. This fidelity has made organoids invaluable for testing how a drug affects human tissue before any patient is exposed, sparing researchers much of the ⑤burden of relying on animal models alone.

Imagine standing at a crowded party where dozens of conversations blend into a wall of noise, yet you effortlessly track the words of the friend beside you. Curiously, if someone across the room utters your name, your attention snaps toward that voice almost instantly. This happens even though you had not consciously been listening to that conversation at all. This phenomenon, known as the cocktail party effect, reveals that selective attention does not simply block out every unattended sound. Early theorists such as Donald Broadbent proposed that unattended information is filtered out entirely before reaching awareness. Yet the fact that a person's own name can break through this filter contradicts such a rigid model. Anne Treisman later refined this account, suggesting that _______________. Especially meaningful stimuli, including one's own name, can still surpass the threshold of conscious recognition. This refinement suggests that attention operates less like a gate and more like a dimmer switch, adjusting the salience of competing streams of information.

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 _______________.

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, _______________. This process begins with a baseline survey, in which specialists document 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, drawing on data from comparable developments. For instance, a proposed highway that would bisect a forest might be evaluated for its potential to fragment habitats, disrupting 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 commission the studies retain strong influence over how the findings are interpreted.

No further reminders, willpower, or repeated decisions are required once the initial commitment has been made. The design of behavioral savings programs deliberately minimizes the number of decisions a participant must make over time. ( ① ) At the moment of hiring, an employee is asked only once whether to commit future salary increases to retirement savings. ( ② ) If the employee agrees, that single decision governs all future contribution increases automatically. ( ③ ) This stands in sharp contrast to conventional savings advice, which typically asks individuals to make a fresh decision to save more each time their income changes. ( ④ ) Because each additional decision creates another opportunity for procrastination or reconsideration, minimizing the number of required decisions substantially increases the likelihood that saving actually occurs. ( ⑤ ) The program's success, in this sense, stems less from persuading people to value saving more than from reducing the number of moments at which they could choose not to.