영어 모의고사 (자동 편성)

Coaches have traditionally focused athlete preparation on training volume and nutrition, but a growing body of research ① suggests that sleep deserves equal attention. During deep sleep, the body releases growth hormone, a substance essential for ② repairing muscle tissue damaged during intense training, while the brain consolidates motor skills practiced earlier that day into more stable, efficient patterns. Athletes who sleep fewer than seven hours a night have been shown ③ suffering more injuries, slower reaction times, and reduced accuracy compared to well-rested peers performing the identical drills. Frequent travel across time zones compounds this challenge considerably, since jet lag can ④ disrupt an athlete's natural sleep-wake cycle for several days after a long flight. In response, many professional teams now employ sleep specialists ⑤ who design travel schedules, control bedroom lighting and temperature, and even adjust competition start times when possible.

It ①is often assumed that memory operates independently of bodily context, yet research suggests that this assumption deserves reconsideration. When information ②is learned under a particular physiological or emotional condition, retrieval tends to improve if that same condition ③is reinstating at recall, a phenomenon researchers call state-dependent memory. Individuals who study while mildly anxious, for instance, often recall material more accurately when tested under similarly anxious conditions than when tested while calm, even though calmness is typically considered more conducive to concentration. This finding should prompt educators to reconsider the assumption that a single optimal testing environment exists for every learner, since ④matching internal states across encoding and retrieval provides retrieval cues that a mismatched state cannot supply. Critics might argue that such effects are minor and inconsistent, yet accumulated evidence across pharmacological and emotional studies is difficult to dismiss. Policymakers designing assessments should therefore weigh not only content difficulty but also the physiological continuity between preparation and examination, since ⑤ignoring this dimension risks underestimating certain students' actual knowledge.

Among the many strategies proposed to remove carbon dioxide from the atmosphere, one of the oldest draws on an agricultural technique predating modern industry, converting organic material into a ①stable form of charcoal known as biochar. Biochar is produced through pyrolysis, a process in which crop residues or wood chips are heated in an environment with little or no oxygen, preventing the material from burning away as in an open fire. This process leaves behind a carbon-rich solid that ②accelerates decomposition far longer than raw organic matter, locking carbon in a form remaining stable in soil for centuries. When mixed into farmland, biochar also improves soil structure, retaining moisture and nutrients otherwise lost, which can ③boost crop yields in depleted soils. For example, farmers cultivating nutrient-poor tropical soils have reported ④measurable increases in productivity after adding biochar. Nevertheless, researchers caution that the climate benefits of biochar depend on the feedstock and method used, since poorly managed pyrolysis can release as much carbon as it sequesters, ⑤undermining its own purpose.

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 designed to ①predict and evaluate the ecological consequences of a proposed development. This process begins with a baseline survey, in which specialists document ②existing 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 ③comparable 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 ④acceptable 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 ⑤genuine constraint, since developers who commission the studies retain strong influence over how the findings are interpreted.

Many people believe that a new habit becomes automatic after only twenty-one days, but researchers who examined real behavior found a different number. This project, called the 66-day habit formation study, tracked volunteers who tried to adopt a new daily habit, like drinking water with lunch. Researchers measured how automatic each action felt over time and found that habits needed ___________. Yet the actual time varied widely, ranging from about eighteen days for simple habits to over two hundred days for difficult ones. This wide range explains why the popular twenty-one-day claim, though easy to remember, rarely matches real experience.

Dual coding theory, first proposed to explain why certain kinds of information are remembered more readily than others, holds that the mind processes verbal and visual material through two partially independent channels rather than a single unified system. According to this account, words and other linguistic symbols are encoded primarily through a verbal channel that represents meaning in an abstract, sequential form, while pictures and concrete objects are encoded through an imagery channel that preserves spatial and perceptual detail. When information engages both channels simultaneously, as when a textbook pairs a written explanation with an accompanying diagram, _______________. This redundancy explains the well-documented picture superiority effect, whereby concrete, easily visualized words tend to be recalled more accurately than abstract terms that resist mental imagery. Consequently, dual coding theory has profound implications for instructional design, suggesting that combining carefully chosen visuals with concise verbal explanations can strengthen students' long-term retention of complex material.

Change blindness refers to a striking limitation of human perception in which observers fail to notice substantial 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, 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. This phenomenon occurs because visual attention, rather than passively recording every detail like a camera, _______________. 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 a faithful record of external reality.

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. Manufacturers derive these materials from renewable resources such as corn starch, blending them with additives that accelerate microbial breakdown once discarded. However, _______________. 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. 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.

**주어진 문장**: As a result, the combined effect of heat-absorbing surfaces and limited greenery can raise nighttime temperatures in cities by several additional degrees. Cities are frequently several degrees warmer than the surrounding countryside, a phenomenon known as the urban heat island effect, which intensifies in summer and threatens public health. ① 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. ② Furthermore, the scarcity of vegetation in densely built areas removes a natural cooling mechanism, since plants lower temperatures by evaporating water from their leaves. ③ To address this problem, urban planners have begun implementing mitigation strategies designed to lower surface and air temperatures. ④ One widely used solution involves reflective "cool" roofing engineered to reflect more sunlight than dark rooftops absorb. Another strategy, green infrastructure, incorporates rooftop gardens and tree-lined streets that provide shade while releasing moisture. ⑤ In contrast, some cities have pursued permeable pavements that let water seep through and evaporate, cooling nearby surfaces. ① ② ③ ④ ⑤

**주어진 문장**: As a result, industries adopting these methods often discover that their overall production costs decline over time, even though the initial transition requires investment. Traditional industrial systems have relied on a linear model of production, in which raw materials are extracted, transformed into goods, and eventually discarded as waste. ① This approach treats natural resources as if unlimited and disposal as if costless. ② A circular economy proposes an alternative framework in which materials are kept in continuous use through reuse, repair, and recycling, thereby reducing the extraction of virgin resources. Central to this model is the notion that waste, rather than being an inevitable byproduct, can be redesigned as a resource for another process, much as fallen leaves nourish the trees that shed them. ③ For example, manufacturers design products so that components can be disassembled and reused in new items once their original function ends. Some companies also lease equipment instead of selling it outright, retaining responsibility for refurbishment. ④ Because such practices lessen dependence on finite raw materials, they reduce the environmental damage caused by mining. ⑤ Consequently, the circular economy is increasingly regarded as a viable economic strategy that conserves resources for future generations. ① ② ③ ④ ⑤