영어 모의고사 (자동 편성)

Extended producer responsibility, a policy ①requiring manufacturers to bear responsibility for their products even after use, has been adopted by governments seeking to reduce landfill waste. Under such schemes, companies must finance the collection and recycling of goods once consumers ②discard them, rather than leaving municipalities to absorb the cost. Advocates maintain that shifting this burden onto producers creates a powerful incentive to design products that are more durable, easily ③disassembled, and readily recyclable from the outset. Critics counter that the policy, whatever its theoretical merits, often fails to reduce waste meaningfully unless ④paired with rigorous enforcement and transparent reporting requirements. For instance, some manufacturers merely pass the added cost of compliance on to consumers, without making substantive changes to how products are designed. In contrast, jurisdictions that combine producer responsibility with strict eco-design standards and independent audits tend to witness genuine improvements in recyclability. Therefore, policymakers hoping to harness this approach must resist treating it as self-executing and instead invest in oversight that ⑤determine whether producers actually change behavior.

Social media platforms rarely show users a neutral stream of information. Instead, recommendation algorithms ①are optimized to maximize engagement, and content that provokes strong emotion, particularly outrage, tends to hold attention longer than balanced reporting ever could. Over time, users ②exposed to a steady diet of emotionally charged content may come to believe that extreme opinions are far more common than they actually are, simply because those opinions ③dominate their feed. Researchers describe this as a distorted mirror: the platform reflects not society as it truly is, but a version ④shaping by whatever keeps people scrolling. Some platforms have experimented with reducing the visibility of outrage-driven content, only ⑤to see user engagement drop.

A biosensor works by pairing a biological component, such as an enzyme or antibody, with an electronic device that converts a biological reaction into a signal a computer can ①read. When the target molecule, whether glucose in blood or a trace of a pathogen, binds to the biological component, it triggers a ②massive measurable change that the device translates into a readable number. This design has already transformed diabetes management, letting patients monitor blood sugar ③continuously through a small sensor worn under the skin rather than pricking a finger several times a day. Engineers are now racing to extend the same principle to detect subtler targets, from cancer cells circulating in the bloodstream to trace ④contaminants in drinking water. The central challenge is not detecting the target but doing so reliably outside a controlled laboratory, since a sensor that performs well on a clean lab bench can behave ⑤erratically once exposed to a real body or a real river.

Long before calculus existed, the Greek philosopher Zeno constructed a series of paradoxes designed to show that motion itself might be logically impossible. In one version, a swift runner named Achilles races a slow-moving tortoise that is given a modest head start. Common sense insists that Achilles will quickly overtake the tortoise, yet Zeno's argument suggests otherwise. By the time Achilles reaches the tortoise's starting point, the tortoise has crawled a little further ahead; by the time Achilles closes that new gap, the tortoise has advanced again, however slightly. This process repeats endlessly, generating _______________. Zeno concluded that Achilles could never actually catch the tortoise, a conclusion that plainly contradicts everyday experience.

Anyone who has tried to name the ink color of a word like red printed in blue letters knows how surprisingly difficult the task can feel. This everyday struggle, known as the Stroop effect, deserves more attention than casual curiosity grants it, because it reveals something fundamental about how the mind allocates its limited resources. Reading a familiar word is an automatic process practiced so extensively since childhood that it proceeds almost involuntarily, whereas naming a color requires deliberate, controlled attention. When these two processes point toward conflicting answers, _______________. Educators should not dismiss this delay as a trivial curiosity confined to laboratories, since the same competition between habit and intention underlies far more consequential situations, such as a driver's struggle to resist checking a phone despite knowing the danger. Recognizing how automatic responses can hijack conscious intentions is essential for designing environments, from classrooms to highways, that support rather than undermine our efforts at self-control.

A liver no longer has to sit inside a human body to be studied closely. 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. Unlike flat cultures grown on a plastic dish, organoids let cells interact in three dimensions much as they would inside the body, yielding tissue that behaves in strikingly realistic ways. This fidelity has made organoids invaluable for testing how a drug affects human tissue before any patient is exposed, _______________. 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.

The ecological footprint, a widely cited measure of how much biologically productive land and water a population requires to sustain its consumption, has become one of the most familiar tools for communicating humanity's environmental impact. By converting diverse activities, from driving to eating meat, into a single unit of land area, the measure allows policymakers to grasp whether a lifestyle exceeds what the planet can regenerate. (A) Because the footprint aggregates dissimilar impacts, such as carbon emissions and water scarcity, into one composite figure, it can obscure important differences among problems that require distinct policy responses. A region might reduce its footprint by lowering carbon emissions while simultaneously depleting a local aquifer, yet the aggregate number could still appear to improve, concealing damage that demands urgent attention. (B) This simplicity, however, is also the source of its most persistent criticism. (C) Furthermore, the method assumes that all bio-productive land is roughly interchangeable, treating a hectare of forest as equivalent to a hectare of farmland, even though the two provide markedly different ecological functions.

It would be comforting to believe that anything sufficiently large or obvious appearing within our field of vision will automatically capture our attention, yet decades of research into inattentional blindness suggest otherwise. (A) This failure does not stem from a defect in the eyes, which register the stimulus perfectly well, but from the fact that conscious perception depends heavily on where attention has been directed. (B) When people are absorbed in 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. (C) Policymakers ought to take this finding more seriously than they currently do, because it implies that simply placing a warning sign within someone's visual range offers no guarantee that it will be consciously registered. Designing safer environments, therefore, requires accounting for the limits of attention itself, not merely assuming that visibility alone ensures awareness.

주어진 문장: The two images were otherwise identical in every respect, differing only in the single altered detail. Change blindness refers to a striking limitation of human perception in which observers fail to notice substantial alterations to a visual scene, provided the change occurs during a brief disruption such as an eye movement or a momentary obstruction. ( ① ) In a now-famous demonstration, researchers showed participants two versions of a photograph in alternation, separated by a short blank screen, and asked them to identify what had changed. ( ② ) 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 subset of information for processing at any given moment. ( ④ ) Whatever falls outside that narrow spotlight is represented only sparsely, if at all, leaving it vulnerable to being overwritten without notice. ( ⑤ ) 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 a faithful record of external reality.

주어진 문장: This danger arises because no single participant possesses both the authority and the incentive needed to restrict others' access to the resource. When a resource is shared among many users, none of whom bears the full cost of its depletion, each individual is tempted to extract as much value as possible before others do the same. ① This dynamic, famously labeled the tragedy of the commons, describes how shared pastures and fisheries can be degraded even when every participant privately understands the danger of overuse. ② A single herder who adds one more animal to a communal pasture gains the entire benefit of that addition, whereas the resulting damage to the grass is shared among other herders who depend on the land. ③ Because self-interest offers no incentive to restrain consumption unilaterally, the resource tends to be exhausted long before any user intends such an outcome. ④ For decades, economists assumed that only two remedies existed: strict regulation or the conversion of shared resources into private property. ⑤ Elinor Ostrom challenged this assumption, however, by documenting communities that had sustainably managed fisheries and forests for generations through locally devised rules and mutual monitoring rather than external control. ① ② ③ ④ ⑤