영어 모의고사 (자동 편성)

Consider a large heap containing ten thousand grains of sand. Nearly everyone agrees that removing a single grain from such a heap ①leave another heap behind; surely one grain could never make the difference between a heap and a non-heap. Yet if this principle is applied repeatedly, grain by grain, the heap eventually shrinks to a single lonely grain, or even to no grains at all, and logic alone seems to ②force us to accept that this final result still counts as a heap. Something has clearly gone wrong along the way, since no reasonable person would ③call one grain of sand a heap, but pinpointing exactly which single removal transformed a heap into a non-heap seems ④impossible. The puzzle exposes a deep discomfort with vague terms like "heap," "tall," or "bald," concepts that seem to admit no sharp boundary yet are ⑤used confidently in everyday language.

Long before cognitive scientists possessed the tools to observe the brain directly, Donald Broadbent proposed an influential model suggesting that the human capacity to process incoming sensory information ①constrained by a structural bottleneck through which only a single stream of input can pass at any given instant. According to this filter theory, multiple channels of stimulation, such as competing voices in a crowded room, ②are initially registered at a shallow, physical level, but only one channel is selected for further, meaning-based analysis while the rest are blocked from advancing beyond that early filter. Although later researchers challenged the rigidity of this early selection mechanism, ③pointing to instances in which unattended information, such as one's own name, nevertheless ④breaks through and captures awareness, the core insight that attention imposes a genuine processing limit rather than a mere matter of willpower has remained remarkably durable. This basic bottleneck principle ⑤continues to inform contemporary explanations of why multitasking so reliably degrades performance on demanding tasks.

Our film club spent an entire semester making a five-minute short film, and I was ①startling to learn just how little of that time was actually spent filming. We wrote and rewrote the script for nearly a month, then ②spent another two weeks drawing simple storyboards to plan every camera angle before a single scene was recorded. Filming itself took only two Saturday afternoons, yet editing the footage afterward ③consumed nearly six additional weeks, as we combed through hours of raw clips to choose the handful of seconds that actually made it into the final version. Our advisor warned us early on that amateur filmmakers usually underestimate editing the most, ④assuming that a good script and decent camera work will carry a film on their own. By the time our short film premiered at the school festival, I understood that the visible five minutes represented only a small fraction of the invisible work that ⑤had shaped it.

When people encounter an individual ①who appears to memorize enormous quantities of specialized information effortlessly, they often assume that person possesses an innate gift. Cognitive psychologists, however, contend that such feats rarely stem from raw talent alone. Instead, such feats arise from a learned skill known as chunking, ②whereby scattered pieces of information are consolidated into larger, meaningful units. A landmark study of chess players demonstrated this principle. When shown a board arranged according to plausible game positions, grandmasters ③reproduced the layout perfect. Yet when the same pieces were scattered randomly, their performance collapsed to the level of novices. This pattern reveals that expert memory is not larger in raw capacity but is instead organized around patterns ④accumulated through years of deliberate practice. If chunking, rather than innate aptitude, underlies expert performance, then educators should stop treating talent as fixed and destiny-bound. Curricula ought to be redesigned to cultivate pattern recognition explicitly, ⑤since doing so would grant far more students access to expertise once presumed reserved for the naturally gifted.

Walking down a crowded street while staring at a phone screen has become such a common sight that it barely draws attention anymore, even though the habit turns a pedestrian into one of the ①most alert people on the sidewalk. Researchers who study attention describe this as a kind of tunnel vision: a person absorbed in a text message or a video processes only a ②narrow slice of the surrounding environment, filtering out approaching cars, uneven pavement, and other pedestrians almost entirely. What makes this danger especially difficult to address is that pedestrians ③rarely recognize the risk in the moment; unlike distracted driving, which is widely ④condemned, glancing at a phone while crossing the street still feels like a ⑤harmless habit to most people who do it every day.

Few ideas in policy debate provoke as much philosophical unease as the notion that a government might ①deliberately steer citizens toward better choices while leaving every option technically available. Defenders insist that freedom is ②preserved as long as no option is banned and no penalty is attached, arguing that a citizen who is merely steered, rather than coerced, remains free to choose otherwise. Critics counter that this defense rests on an ③impoverished notion of liberty, one that ignores how engineered defaults and calculated framing can shape decisions just as powerfully as an outright prohibition would. If a policy is designed because officials expect it to bypass conscious deliberation, these critics ask, can the resulting choice still be called ④autonomous, even though no law was broken? The dispute ultimately turns on what freedom actually requires: the mere absence of coercion, or a decision-making process that remains ⑤opaque and undistorted.

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. This assumption, however, was overturned by a body of research demonstrating that _______________, rendering it temporarily susceptible to alteration before it is, in a sense, filed away again. 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. 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.

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 stable form of charcoal known as biochar. (A) When mixed into farmland, biochar also improves soil structure, retaining moisture and nutrients otherwise lost, which can boost crop yields in depleted soils. For example, farmers cultivating nutrient-poor tropical soils have reported measurable increases in productivity after adding biochar. (B) 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 resists decomposition far longer than raw organic matter, locking carbon in a form remaining stable in soil for centuries. (C) 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, undermining its own purpose.

Many claim that these steps alone can double a person's reading speed within a single weekend. Speed-reading courses promise a simple result: read several times faster while understanding just as much as before. ( ① ) The techniques usually involve moving your eyes quickly down the page, skipping small words, and avoiding the habit of silently pronouncing each word in your head. ( ② ) Some students do learn to move their eyes faster after a short course. ( ③ ) However, researchers who study reading have found a serious problem with these claims. Understanding a text is not just about how quickly your eyes move across it; it depends on how deeply your brain processes each sentence and connects new ideas to what you already know. ( ④ ) When readers rush through a page at extreme speed, their comprehension usually drops sharply, even though they feel confident that they understood everything. ( ⑤ ) In careful studies, speed-reading graduates often score no better on comprehension tests than ordinary readers who read at a normal pace. For difficult material, there may be no real shortcut around careful, attentive reading.

주어진 문장: Each of these exchanges is deliberately planned so that a byproduct considered worthless by one company becomes a valuable resource for its neighbor. Conventional industrial zones typically operate as isolated facilities, each purchasing raw materials independently and disposing of waste without regard for neighboring plants, even when one factory's discarded byproduct could serve as valuable input for another. ① An eco-industrial park reorganizes this arrangement by clustering diverse companies within a single area and encouraging them to exchange materials, energy, and water through a practice known as industrial symbiosis. ② A power plant's surplus heat, for example, might be piped to a nearby greenhouse, while a food processing facility's organic waste could be converted into biogas that powers another factory's equipment. ③ Such exchanges require companies to coordinate schedules and share information they might otherwise regard as proprietary, a level of cooperation rarely achieved without deliberate institutional support. ④ Local governments therefore often play a coordinating role, mapping which industries could exchange resources and providing incentives for companies willing to participate. ⑤ Consequently, eco-industrial parks have come to be seen as a model capable of reducing both waste disposal costs and raw material expenses simultaneously. ① ② ③ ④ ⑤