영어 모의고사 (자동 편성)

It would be comforting to believe that anything sufficiently large or obvious appearing ①within our field of vision will automatically capture our attention, yet decades of research into inattentional blindness suggest otherwise. When people are absorbed ②in a demanding task, such as counting how many times a ball is passed between players, they frequently fail to notice an unexpected and conspicuous event unfolding in plain sight, even something as unlikely as a person in a costume walking through the scene. This failure does not stem from a defect in the eyes, which register ③the stimulus perfectly well, but from the fact that conscious perception depends heavily on where attention has been directed. Policymakers ought to take this finding more seriously than they currently do, because it implies that simply placing ④a warning sign within someone's visual range offers no guarantee that it will be consciously registered. Designing safer environments, therefore, requires account ⑤ for the limits of attention itself, not merely assuming that visibility alone ensures awareness.

Imagine standing at a crowded party where dozens of conversations ①blend into a wall of noise, yet you effortlessly track the words of the friend beside you. Curiously, if someone across the room utters your name, your attention snaps toward that voice almost instantly. This happens even though you ②had not consciously been listening to that conversation at all. This phenomenon, known as the cocktail party effect, reveals that selective attention ③does not simply block out every unattended sound. Early theorists such as Donald Broadbent proposed that unattended information is filtered out entirely before reaching awareness. Yet the fact that a person's own name can break through this filter ④contradict such a rigid model. Anne Treisman later refined this account, suggesting that unattended channels are merely attenuated rather than eliminated altogether. Especially meaningful stimuli, including one's own name, can still surpass the threshold of conscious recognition. This refinement suggests that attention operates less like a gate and more like a dimmer switch, ⑤adjusting the salience of competing streams of information.

Change blindness refers to a striking limitation of human perception in which observers fail to notice substantial ① alterations to a visual scene, provided the change occurs during a brief disruption such as an eye movement or a momentary obstruction. In a now-famous demonstration, researchers showed participants two versions of a photograph in alternation ②, separated by a short blank screen, and asked them to identify what had changed. Even when an entire building disappeared or a person's clothing shifted color, many viewers stared at the picture without detecting anything unusual ③. This phenomenon occurs because visual attention, rather than passively recording every detail like a camera, actively selects only a narrow ④ subset of information for processing at any given moment. Whatever falls outside that narrow spotlight is represented only sparsely, if at all, leaving it vulnerable to being overwritten without notice. Consequently, change blindness demonstrates that our impression of a rich, complete visual world is, to a surprising extent, an illusion constructed by the mind, not an unreliable ⑤ record of external reality.

Every time an antibiotic kills off a population of bacteria, a handful of cells carrying a random mutation that resists the drug are left behind to ①multiply without competition. Repeated over decades, across hospitals, farms, and households worldwide, this simple process of natural selection has produced strains of bacteria that survive treatments once considered reliably ②effective. The pharmaceutical industry, meanwhile, has slowed the pace at which new antibiotics reach the market, since a drug meant to be taken for only a week or two rarely earns back the ③enormous cost of developing it. Researchers are therefore searching in ④unconventional places, screening soil microbes, ocean sediment, and even genetic databases for molecules that kill bacteria through mechanisms resistant strains have not yet learned to evade. Some scientists have also revived an older approach, using viruses that infect only bacteria to hunt down resistant strains with a ⑤carelessness no broad-spectrum drug could ever match.

People often recognize, in ①calm reflection, that their future selves will be tempted to abandon a goal they currently value. Rather than relying solely on willpower at the critical moment, they may choose to restrict their own future options in advance, a strategy known as precommitment. By making certain choices ②affordable, inconvenient, or impossible to reverse, individuals can protect a long-term goal from a short-term impulse that has not yet arisen. A person hoping to save money might lock funds into an account that ③penalizes early withdrawal, removing the very temptation that would otherwise be difficult to resist. Similarly, someone determined to finish a project might ④publicly announce a deadline, transforming private intentions into a commitment that carries social consequences if broken. What unites these examples is a simple insight: because future desires cannot always be ⑤trusted, the wisest moment to act may be now.

Medieval philosophers told the story of a hungry donkey placed exactly midway between two identical, equally fragrant piles of hay, with no factor whatsoever tipping the balance toward either option. Because the donkey is assumed to be a perfectly rational creature that always chooses the option supported by the strongest reason, and because neither pile offers any advantage over the other, the donkey supposedly finds itself with no rational basis for choosing one pile rather than the other. Paralyzed by this perfect symmetry, the donkey starves to death precisely because it can find no reason to move in either direction. Critics of the story point out that _______________.

When sociologist Émile Durkheim studied suicide rates across different societies, he noticed something puzzling: rates rose not only during economic depression but also during sudden prosperity. (B) Decades later, Robert Merton extended the concept to explain deviance within stable societies, proposing that anomie also arises when a culture insists that everyone pursue identical goals while denying many people the legitimate means to achieve them. (A) He concluded that both crises share a common feature, the collapse of shared norms, a state Durkheim called anomie, arguing that rapid social change can strip away the moral guidelines that regulate human desire. (C) Faced with this gap between aspiration and opportunity, some individuals conform, but others turn to innovation, ritual, retreat, or rebellion.

Traditional industrial systems have relied on a linear model of production, in which raw materials are extracted, transformed into goods, and eventually discarded as waste. This approach treats natural resources as if unlimited and disposal as if costless. (A) Because such practices lessen dependence on finite raw materials, they reduce the environmental damage caused by mining. Consequently, the circular economy is increasingly regarded as a viable economic strategy that conserves resources for future generations. (B) A circular economy proposes an alternative framework in which materials are kept in continuous use through reuse, repair, and recycling, thereby reducing the extraction of virgin resources. Central to this model is the notion that waste, rather than being an inevitable byproduct, can be redesigned as a resource for another process, much as fallen leaves nourish the trees that shed them. (C) For example, manufacturers design products so that components can be disassembled and reused in new items once their original function ends. Some companies also lease equipment instead of selling it outright, retaining responsibility for refurbishment.

The same technology, researchers realized, could be pushed even further, from generic drug screening toward medicine tailored to a single individual. A liver no longer has to sit inside a human body to be studied closely. ( ① ) By coaxing stem cells to organize 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. ( ② ) Unlike flat cultures grown 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. ( ③ ) This yields tissue that behaves in strikingly realistic ways. ( ④ ) This fidelity has made organoids invaluable for testing how a drug affects human tissue before any patient is exposed, sparing researchers much of the burden of relying on animal models alone. ( ⑤ ) Some laboratories have even grown organoids from a single patient's own cells, raising the possibility of trialing a treatment on a miniature copy of that patient's organ before committing to an actual course of therapy.

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