영어 모의고사 (자동 편성)

Among the many strategies proposed to remove carbon dioxide from the atmosphere, one of the oldest ①draw on an agricultural technique predating modern industry, converting organic material into a stable form of charcoal known as biochar. Biochar is ②produced through pyrolysis, a process in which crop residues or wood chips are heated in an environment with little or no oxygen, ③preventing 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. When mixed into farmland, biochar also improves soil structure, ④retaining moisture and nutrients otherwise lost, which can boost crop yields in depleted soils. For example, farmers ⑤cultivating nutrient-poor tropical soils have reported measurable increases in productivity after adding biochar.

Cognitive load theory begins from the premise that working memory, the mental workspace in which incoming information is ①temporarily held and manipulated, can accommodate only a limited number of novel elements at any given moment, in stark contrast to the comparatively vast capacity of long-term memory. When instructional materials ②introduce more interacting elements than this narrow workspace can simultaneously process, learners experience what theorists call cognitive overload, a condition under which comprehension deteriorates and errors multiply regardless of how motivated the learner might be. Because much of this burden ③arises not from the intrinsic difficulty of the subject matter itself but from the manner in which information is presented, instructional designers can substantially reduce unnecessary strain by eliminating redundant explanations, ④aligning visual and verbal elements so that learners need not mentally integrate scattered sources, and gradually withdrawing guidance as competence develops. Ignoring these principles, by contrast, ⑤risks to overwhelm novices with demands that exceed their processing capacity, however well-organized the underlying content may be.

Last year our art club received a set of digital drawing tablets, and I assumed switching from paper would feel like cheating, since a screen seemed to remove the physical struggle of real drawing. After a few weeks of practice, though, I noticed the tablet demanded a ①different kind of skill rather than an easier one. Because there is no paper texture to guide the pen, beginners often press too ②lightly or draw shaky lines until their hand adjusts to the smooth glass surface. What the tablet does offer is the freedom to undo a mistake instantly and experiment with colors without wasting a single sheet of paper, which encourages artists to take ③risks they might avoid with a permanent ink pen. Several club members who once avoided painting because they feared ruining their work now try ④bold new styles daily. The tool changed, but the patience and observation required to create something meaningful stayed exactly the ⑤same.

In the late nineteenth century, the psychologist Hermann Ebbinghaus undertook a rigorous investigation of forgetting by serving as his own experimental subject. He memorized thousands of ①meaningless three-letter syllables so that prior knowledge could not skew his results. After learning each list to perfection, he tested his retention at intervals ranging from twenty minutes to a month later. He ②ignored how many repetitions were required to relearn the material each time. The resulting curve revealed a consistent pattern. Forgetting proceeds rapidly during the initial hours following learning, then gradually decelerates until the rate of loss becomes almost imperceptible. Roughly half of the acquired information ③vanished within the first hour alone. Yet whatever survived that initial plunge tended to ④persist for much longer periods. Ebbinghaus further found that distributing study sessions across several days produced better retention than cramming the same repetition into one sitting. This finding, now central to modern learning theory, implies that revisiting material shortly before it would otherwise be forgotten ⑤interrupts the decline of the forgetting curve.

Consider a student who ①genuinely intends to study for tomorrow's exam yet, when the evening actually arrives, chooses to watch another episode of a favorite show instead, promising herself she will surely study harder next week. This pattern, in which the pull of an immediate pleasure ②overwhelms the value of a distant benefit, appears again and again across ordinary life, from postponed exercise to delayed savings. People do not necessarily fail to understand that the future reward matters more; rather, whatever happens right now simply feels disproportionately more urgent and vivid than anything scheduled for later. Behavioral economists note that this preference ③weakens considerably once both options are pushed into the future, which is why planning a diet starting next month feels ④impossible compared with skipping dessert tonight. Such inconsistency helps explain why gym memberships go unused and retirement accounts remain ⑤underfunded, despite people's stated intentions.

Smartphones, tablets, and computer screens all emit a significant amount of blue light, a short-wavelength light that our eyes are especially sensitive to. During the day, exposure to blue light from the sun helps keep us alert and mentally sharp, which is generally beneficial. At night, however, the same wavelength can interfere with the body's natural preparation for sleep. Specialized cells in the retina detect blue light and send signals to the brain's internal clock, which results in _______________. Studies have found that people who scroll through their phones in bed before sleeping take longer to fall asleep and experience lighter, more easily disrupted sleep than those who avoid screens. Some devices now offer a night mode that shifts the display toward warmer tones, reducing blue light output in the evening. While this feature may help slightly, sleep researchers generally recommend limiting screen use altogether in the hour before bedtime for the best results.

Why do people often overvalue objects they have partly built themselves, even when the finished product is objectively inferior to something they could have simply purchased? This puzzle, which researchers named after a furniture retailer famous for selling items that require home assembly, challenges the standard economic assumption that value is determined solely by an object's inherent qualities. In a series of experiments, participants who assembled a plain storage box were willing to pay nearly as much for their own imperfect creation as they were for a professionally built version, despite being fully aware of its flaws. Labor, it seems, functions as a kind of psychological investment: once effort has been poured into a task, _______________. This tendency helps explain why consumers often prefer products that demand some degree of personal assembly, even when a comparable finished item is available at a lower price and requires no time investment whatsoever.

Working memory refers to the mental workspace in which information is temporarily 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 influential that it became widely known as the magic number seven. Subsequent research, however, revealed that Miller's estimate was somewhat generous, since it failed to account for the complexity of the material being remembered. Nelson Cowan later argued that when rehearsal strategies are prevented and attention is tightly controlled, _______________. This discrepancy suggests that what earlier studies had measured was not raw storage capacity itself but a hybrid quantity inflated 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.

Riding a bicycle is one of the most popular ways for teenagers to get around, yet many students still skip the one piece of equipment that could save their life: the helmet. (A) Wearing a helmet does not prevent a fall, but it dramatically reduces the chance of a serious head injury when one occurs. (B) A sudden pothole, a car door opening without warning, or a patch of gravel can throw even an experienced cyclist off balance in an instant. (C) Some argue that a short trip to a nearby store does not require any special protection, since the risk feels distant and unlikely, but most accidents actually happen close to home, on familiar streets where riders feel too comfortable to expect danger.

When people encounter an individual who 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. (A) This pattern reveals that expert memory is not larger in raw capacity but is instead organized around patterns accumulated 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, since doing so would grant far more students access to expertise once presumed reserved for the naturally gifted. (B) A landmark study of chess players demonstrated this principle. When shown a board arranged according to plausible game positions, grandmasters reproduced the layout perfectly. Yet when the same pieces were scattered randomly, their performance collapsed to the level of novices. (C) Instead, such feats arise from a learned skill known as chunking, whereby scattered pieces of information are consolidated into larger, meaningful units.