영어 모의고사 (자동 편성)

Metacognition, broadly ①defined as the capacity to monitor and evaluate one's own cognitive processes, is often ②treated as a reliable guide to what we actually know, yet a growing body of evidence suggests that the correspondence between subjective confidence and objective accuracy is far weaker than intuition would suggest. Individuals routinely overestimate how thoroughly they have understood a passage of text immediately after reading it, a phenomenon partly attributable to the fluency with which the material ③were processed rather than to any genuine grasp of its underlying structure. Because rereading familiar material ④tends to feel effortless, learners frequently mistake that ease of processing for durable comprehension, a misattribution that can lead them to abandon further study prematurely. This gap between perceived and actual mastery, sometimes labeled the illusion of knowing, has practical consequences for education, since students who trust their inflated self-assessments are less likely to seek out the more effortful, retrieval-based strategies that ⑤would otherwise consolidate their learning.

Many large companies now rely on artificial intelligence ①to screen job applications before a human ever sees them. These systems promise efficiency, scanning thousands of resumes in seconds and ranking candidates according to patterns ②drawn from previous hiring decisions. However, this reliance on historical data creates a troubling risk. If a company's past hiring favored a particular group, the algorithm may learn to treat that pattern as a marker of success and quietly reproduce it, even when no one ③intending discrimination. Unlike a human interviewer, the system offers no explanation for its choices, which makes the bias difficult ④to detect until an outside audit reveals it. Some researchers argue that fairness cannot be added afterward; it must ⑤be built into the system's design from the very beginning.

Suppose you meet a quiet, gentle man ①who speaks softly, tends a small garden, and organizes his bookshelf with meticulous care. ②Ask whether he is more likely a florist or a truck driver, most people instinctively choose florist, since his personality matches the stereotype so neatly. This judgment, however, ③ignores a crucial fact: truck drivers vastly outnumber florists in almost every country, which means that, statistically, he is far more likely to belong to the larger group regardless of how well he fits the flower-shop image. Relying on resemblance to a familiar category rather than on underlying numerical proportions, ④known among researchers as representativeness, leads people to overlook these base rates almost automatically. Even trained professionals, ⑤who should know better, often fall into the same trap when a vivid description feels more convincing than plain statistics.

When people estimate the value of an unfamiliar product, they rarely rely on objective calculation alone; instead, they anchor their judgment to whatever numerical reference ①happens to be presented first, however arbitrary that number may be. This phenomenon, ②known as the anchoring effect, exerts a disproportionate influence on price perception precisely because initial figures function as a kind of cognitive gravity that subsequent estimates struggle to escape. A shopper who ③first sees a jacket listed at $300 before it is marked down to $150 will likely judge the discounted price as an excellent bargain. Retailers, well aware of this bias, frequently display an inflated "original price" beside a discounted one, not because the higher figure is meaningful, but because it ④recalibrate customers' expectations. Even professionals are not immune: negotiators who open with an extreme initial offer often secure more favorable final terms than those ⑤who begin with a moderate one.

A single fertilized egg eventually ①gives rise to every cell type in the human body, from neurons to bone, a feat that has fascinated biologists for more than a century. Embryonic stem cells retain much of that original versatility, capable in principle of ②develop into almost any tissue, which is why researchers have long viewed them as a promising raw material for repairing damaged organs. Because harvesting these cells traditionally required ③destroying a human embryo, the research provoked ethical objections fierce enough to slow funding and legislation in several countries for years. A breakthrough arrived when scientists discovered that ordinary adult skin cells could be ④reprogrammed, through the introduction of a handful of specific genes, into a state resembling embryonic versatility without ever touching an embryo. These induced pluripotent cells have not entirely erased the ethical debate, but they have opened a path for stem cell research that far more scientists and funding agencies are willing ⑤to support.

Anyone who has ever promised to finish a project "by Friday," only to still be working on it weeks later, has experienced the planning fallacy ①firsthand. This term describes the ②occasional tendency of individuals and organizations to underestimate how long a task will take, how much it will cost, and how many complications will inevitably arise. What makes this bias particularly ③stubborn is that awareness of past failures rarely leads to more accurate predictions; a construction firm that finished its last three projects late will often insist, with genuine confidence, that this next project will be different. Researchers argue that planners focus almost exclusively on the specific steps of the current task while ignoring the ④broader statistical record of similar projects that came before. One proposed remedy, known as reference class forecasting, requires planners to ⑤deliberately consult outcomes from comparable past projects rather than relying solely on their own optimistic intuition.

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.

Suppose a mad scientist removed a living brain from its body, placed it in a vat of nutrient fluid, and connected its neurons to a supercomputer capable of generating perfectly realistic sensations. The brain would experience a full and convincing world, complete with a sky, a body, and other people, without ever suspecting that none of it existed outside the simulation. This scenario raises a genuinely difficult question for anyone confident in their own perception: how could a person ever prove that they are not that very brain right now? Ordinary evidence cannot help, since _______________. Some philosophers conclude that absolute certainty about the external world is simply unattainable, while others argue that the mere possibility of deception is not sufficient reason to abandon our everyday trust in what we perceive.

In some cases, nature alone is simply too slow, and human ingenuity is called on to speed things along. When an oil tanker ruptures and crude spreads across open water, cleanup crews increasingly reach not only for skimmers and floating booms but also for something far smaller: bacteria that eat oil. ( ① ) Certain naturally occurring microbes possess enzymes capable of breaking hydrocarbon molecules apart, using the carbon as an energy source and gradually converting a toxic slick into carbon dioxide and harmless byproducts. ( ② ) Bioremediation, as this approach is called, works far more slowly than mechanical cleanup, often taking months rather than days. ( ③ ) But it can reach contamination trapped in soil or sediment that skimmers and booms can never reach. ( ④ ) Scientists have learned to accelerate the process by adding nutrients that help native microbial populations multiply faster, or in some cases by introducing engineered strains selected specifically for their appetite for a particular pollutant. ( ⑤ ) Because the method relies on living organisms rather than heavy machinery, it also tends to leave a far gentler footprint on the surrounding ecosystem than excavation or chemical treatment ever could.

Sociologist Howard Becker argued that this label often becomes what he called a master status, a single identity that overshadows every other trait a person has and shapes how others treat them from that point onward. Labeling theory approaches deviance not as a fixed property of certain acts, but as a social process created when powerful groups attach a negative label to a person's behavior. ( ① ) According to this view, nearly everyone breaks minor rules at some point, yet only some individuals are singled out, caught, and formally branded as delinquents, criminals, or troublemakers. ( ② ) Once labeled, an individual may find legitimate opportunities closing off, pushing them toward the very community of offenders that the label predicted they would join. ( ③ ) This process, sometimes called secondary deviance, illustrates how social reaction can produce the outcome it claims merely to describe. ( ④ ) Critics of harsh punitive policies frequently invoke labeling theory to argue that stigmatizing young offenders may entrench criminal identities rather than correct behavior. ( ⑤ )