영어 모의고사 (자동 편성)

A liver no longer has ①to sit inside a human body to be studied closely. By coaxing stem cells ②organizing themselves within a nutrient-rich gel, scientists can now grow miniature three-dimensional structures called organoids, which reproduce much of the architecture and function of a real organ despite being no larger than a grain of rice. Unlike flat cultures ③grown on a plastic dish, which lose many of the cues that guide normal development, organoids let cells interact in three dimensions much as they would inside the body, yielding tissue ④that behaves in strikingly realistic ways. This fidelity has made organoids invaluable for testing how a drug affects human tissue before any patient is exposed, ⑤sparing researchers much of the burden of relying on animal models alone.

A cluster of neurons smaller than a pea can now spontaneously ①organizing itself into layered structures that mimic, in miniature, the architecture of a developing human brain. Grown from stem cells coaxed to follow the same developmental cues that guide an embryo, these brain organoids have begun ②firing electrical signals in patterns that faintly resemble the activity recorded in an infant's brain. For researchers studying disorders such as autism or schizophrenia, this offers something long unavailable: a living model of human brain development that can be ③observed and manipulated directly, without ever touching an actual patient. Because organoids lack sensory organs, a body, or any connection to the outside world, most neuroscientists argue that the structures cannot generate anything ④resembling subjective experience, however brain-like their electrical activity may appear. Even so, the pace at which these organoids are growing more complex has convinced some ethicists that the field would benefit from ⑤establishing clear boundaries now, before the science outruns the conversation about what it means.

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.

Philosopher Jeremy Bentham designed the panopticon, a prison structure in which a central watchtower allows a single guard to observe every cell, while inmates can ①always determine whether they are actually being watched at any given moment. French theorist Michel Foucault later transformed this architectural idea into a broader theory of power, arguing that the mere possibility of being observed is often ②sufficient to produce obedient behavior, since individuals internalize the watcher's gaze and begin to discipline themselves even in the watcher's ③absence. Foucault extended this logic beyond prisons to schools, hospitals, and workplaces, suggesting that modern institutions increasingly rely on continuous, often invisible observation rather than physical force to maintain order. Contemporary scholars have applied Foucault's framework to digital surveillance, arguing that smartphones and workplace monitoring software ④recreate panoptic conditions on a vastly larger scale, one that some theorists claim is more effective precisely because it no longer feels like ⑤surveillance at all.

People routinely seek out information that confirms what they already believe while ①overlooking or dismissing evidence that contradicts 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 ②taxing to 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 ③unfavorably, while investors who are skeptical of the same company interpret identical news unfavorably, even though both groups are examining the same underlying facts. Social media platforms can ④intensify this effect by algorithmically presenting users with content similar to what they have previously engaged with. Over time, such selective exposure can harden initial impressions into convictions that feel objectively verified, even though they rest on a systematically ⑤filtered sample of evidence.

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. Instead, such feats arise from _______________. 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. 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.

A hamburger patty need not come from a slaughtered animal if a small sample of muscle cells can be persuaded to multiply inside a steel tank. Cultured meat begins with a biopsy of animal muscle tissue, from which scientists isolate cells capable of dividing repeatedly, then feed those cells a nutrient broth that supplies the sugars, proteins, and minerals an animal's bloodstream would normally provide. Inside a bioreactor, the cells multiply across scaffolding designed to encourage them to align into fibers, gradually thickening into something that begins to resemble muscle tissue. Supporters argue that because the process never requires raising and slaughtering a whole animal, _______________. Skeptics counter that producing the specialized broth at a large enough scale remains prohibitively expensive, meaning cultured meat is unlikely to compete with conventional meat in price until the technology matures considerably further.

A few years ago, spotting a manipulated video required a trained eye and specialized software. (A) Perhaps more troubling than any single fake video is the broader effect on public trust, sometimes called the liar's dividend, in which genuine footage can be dismissed as fabricated simply because deepfakes exist. (B) Today, freely available applications allow almost anyone to swap a face or fabricate a voice convincingly enough to fool casual viewers within minutes. (C) This shift has quietly undermined one of the oldest assumptions in human communication: that seeing and hearing something is a reliable way to confirm it happened.

If moral responsibility is supposed to depend only on what a person chooses and intends, this outcome seems deeply unfair. Two drivers, equally distracted by their phones, run a red light in exactly the same careless manner. ( ① ) By pure chance, a child happens to be crossing the street in front of one driver but not the other; the first driver kills the child, while the second driver drives through safely and never even notices the danger. ( ② ) Although both drivers behaved identically and made exactly the same reckless choice, society judges them very differently: one faces criminal charges and lifelong guilt, while the other receives, at most, a minor traffic ticket. ( ③ ) Philosophers call this troubling asymmetry moral luck, since factors entirely outside a person's control end up determining how severely we judge their moral character. ( ④ ) Yet few people are willing to excuse the unlucky driver as if nothing worse had happened. ( ⑤ ) Moral luck suggests that our everyday judgments rest on a foundation far shakier than we usually like to admit.

Weak ties, precisely because they connect otherwise separate networks, transmit novel information more efficiently than the redundant, overlapping ties within a tightly bonded group. Sociologist Mark Granovetter challenged a common assumption when he found that job seekers were more likely to hear about new opportunities from casual acquaintances than from close friends and family. ( ① ) This finding, published as the strength of weak ties, rests on a structural insight. ( ② ) Close friends tend to belong to the same tight social circle and therefore already share most of the same information. ( ③ ) Casual acquaintances, by contrast, typically move in different circles and can act as bridges to information a person would otherwise never encounter. ( ④ ) Granovetter's insight has since been applied well beyond job searches, informing research on how innovations spread and how epidemics travel through a population. ( ⑤ )