영어 모의고사 (자동 편성)

Imagine rewriting a bacterium's code the way a programmer ①edits a line of software, and much of what synthetic biology promises begins to make sense. Researchers in this field assemble standardized genetic parts into circuits ②that can be inserted into a cell, instructing it to perform a task that no natural organism would carry out. Because these circuits are built from interchangeable parts rather than designed from scratch each time, a circuit tested in one lab can often ③reusing, with minor adjustments, in an entirely different application. Critics note that biological systems rarely behave as predictably as electronic circuits, since a gene ④inserted into a new cell can interact with existing pathways in unexpected ways, occasionally producing results no engineer intended. Even so, as the catalog of standardized parts keeps expanding, engineers are gaining confidence ⑤to design increasingly complex systems, treating the cell as a chassis onto which new functions can be loaded.

People routinely seek out information that confirms what they already believe while overlooking or dismissing evidence that ①contradicts those beliefs, a pattern known as confirmation bias. This tendency operates not because individuals are deliberately dishonest, but because the mind finds it cognitively less taxing ②to absorb information that fits an existing framework than to reconstruct that framework from scratch. Investors who believe a particular company will succeed, for instance, tend to interpret ambiguous news about that company favorably, while investors who ③are skeptical of the same company interpret identical news unfavorably, even though both groups are examining the same underlying facts. Social media platforms can intensify this effect by algorithmically presenting users with content similar to what they have previously engaged with, thereby ④narrowing the range of perspectives an individual regularly encounters. Over time, such selective exposure can harden initial impressions into convictions that ⑤feels objectively verified, even though they rest on a systematically filtered sample of evidence.

As more schools shift toward digital textbooks and online assignments, a student without reliable internet access at home faces a disadvantage that has little to do with talent or effort. During recent years, this gap became impossible to ignore, as families in rural areas or low-income neighborhoods ①struggled to complete schoolwork that assumed a stable connection and a personal device. Some policymakers initially treated internet access as a convenience, comparable to cable television, rather than as infrastructure ②essential to modern life. That assumption is increasingly ③reconsidering, particularly as more essential services, from job applications to medical appointments, move online by default. Closing this divide will require more than simply distributing devices; it will demand sustained investment in the physical networks ④that carry information into every home, ⑤regardless of income or location.

Picture a woman who receives a plain ceramic mug as a free gift at a conference and, later that afternoon, ①refuses to sell it for anything less than triple its price in the gift shop downstairs. Before she owned the mug, she would never have paid extra for it; once it became hers, however, its value in her mind ②declined sharply, simply because she now possessed it. Researchers have ③repeatedly observed this pattern across many everyday objects, from coffee mugs and concert tickets to office chairs and old furniture inherited from relatives. Owners ④consistently demand more money to give something up than buyers are willing to offer for that very same item, revealing a curious asymmetry rooted purely in possession itself. Some economists argue that this effect explains why negotiations over inherited property so often ⑤collapse, since each side quietly attaches a different value to what it currently holds.

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 ① 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 a concrete ②, 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, the resulting memory trace benefits from two separate, mutually reinforcing ③ pathways of retrieval rather than just one. This redundancy explains the well-documented picture superiority ④ 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 ⑤ students' long-term retention of complex material.

Facial recognition software has moved rapidly from airport security lines into shopping malls, schools, and even private apartment buildings, promising ①convenience in exchange for a quick scan of one's face. Proponents note that the technology can unlock doors, catch shoplifters, and speed up identity checks far faster than any human guard could manage. Independent studies, however, have repeatedly found that many commercial systems perform ②less accurately on women and people with darker skin tones, a gap that can lead to wrongful identification with serious real-world consequences. Several cities have already reported cases in which an innocent person was ③detained based on a flawed match. Until these systems can prove equally reliable for everyone, critics argue, deploying them at all represents a form of quiet ④discrimination dressed up as ⑤inefficiency.

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 _______________. According to this filter theory, multiple channels of stimulation, such as competing voices in a crowded room, are 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, pointing to instances in which unattended information, such as one's own name, nevertheless breaks 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 continues to inform contemporary explanations of why multitasking so reliably degrades performance on demanding tasks.

Cognitive load theory begins from the premise that working memory, the mental workspace in which incoming information is temporarily 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. (A) Because much of this burden arises 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, aligning visual and verbal elements so that learners need not mentally integrate scattered sources, and gradually withdrawing guidance as competence develops. (B) When instructional materials introduce 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. (C) Ignoring these principles, by contrast, risks overwhelming novices with demands that exceed their processing capacity, however well-organized the underlying content may be.

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.

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. (A) 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. (B) 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. (C) This assumption, however, was overturned by a body of research demonstrating that the act of retrieval itself can destabilize a previously consolidated memory, rendering it temporarily susceptible to alteration before it is, in a sense, filed away again.