영어 모의고사 (자동 편성)

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 ①unlimited and disposal as if costless. A circular economy proposes an alternative framework in which materials are kept in continuous use through reuse, repair, and recycling, thereby ②reducing 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. 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. Because such practices lessen dependence on finite raw materials, they ③increase the environmental damage caused by mining. Consequently, the circular economy is increasingly regarded as a ④viable economic strategy that ⑤conserves resources for future generations.

When consumers compare two products and assume that the one labeled "eco-friendly" is automatically the more ①sustainable choice, they often overlook the complexity involved in verifying such a claim. Life cycle assessment, commonly abbreviated as LCA, is a systematic method developed to evaluate the environmental impact of a product across every stage of its existence. By tracing a product from its origin to its disposal, this approach reveals impacts that might otherwise remain ②hidden from consumers who see only the finished item on a shelf. For example, an electric vehicle may produce no emissions while being driven, yet the mining of metals for its battery can generate ③substantial environmental costs elsewhere. Without accounting for these earlier stages, a ④superficial comparison could mistakenly present the vehicle as entirely emission-free. Therefore, researchers increasingly rely on life cycle assessment to make ⑤uninformed decisions rather than trusting labels alone.

Science labs feel far ①safer than they actually are, largely because the equipment looks harmless and the experiments are carefully planned by a teacher. This false sense of security leads some students to skip small precautions, such as wearing safety goggles for a "simple" experiment or tasting a substance out of ②curiosity. Chemical reactions, however, do not distinguish between a professional laboratory and a classroom; a small amount of the wrong substance splashed into an eye can cause ③permanent damage within seconds, regardless of how basic the experiment seemed. Teachers repeatedly emphasize reading each instruction before touching any material, since even a familiar-looking chemical can behave ④unpredictably when combined with something new. Most laboratory accidents, researchers note, do not happen during advanced or unusual experiments but during routine ones that students have performed many times before, precisely because familiarity breeds ⑤caution rather than carelessness.

Facial recognition software has moved rapidly into shopping malls, schools, and apartment buildings. Proponents note that it can unlock doors and speed up identity checks far faster than any human guard. Independent studies, however, have repeatedly found that many commercial systems perform less accurately on women and people with darker skin tones, which means that _______________. Several cities have already reported cases in which an innocent person was detained based on a flawed match.

A loud, jarring alert sound interrupting a phone's normal notifications usually means one thing: a government agency has issued an emergency text to everyone in a specific area, warning of anything from a flash flood to a missing child. These messages are designed to reach people instantly, without requiring anyone to download an app or subscribe to a service in advance, since _______________. Some residents complain that the alerts arrive too frequently or for events that feel minor, leading a small number of people to silence the notifications altogether.

Picture books are usually written for young children, but a growing number of adults are picking them up for themselves. (A) However, many picture books deal with serious themes, such as loss, fear, and change, using only a few carefully chosen words, and because the text is short, every sentence carries extra weight, so readers naturally slow down to notice small details in the pictures. (B) This slower pace can feel calming for adults who are used to rushing through long articles and constant notifications. A picture book can also be finished in a single sitting, which makes it easy to return to the same story again and again, so for these reasons, therapists and teachers sometimes recommend picture books to stressed adults as well. (C) At first glance, a picture book seems too simple for someone who has already learned to read long novels.

Many students imagine a librarian simply sitting behind a desk and stamping books. (A) According to Ms. Han, the most rewarding moment is not organizing shelves but watching a student who once avoided reading finally ask for a second book in the same series. (B) Ms. Han, who has worked at a school library for over ten years, says that image is far from accurate, since a large part of her job involves choosing which new books to buy. (C) She also spends hours training students to search databases and judge whether an online source is trustworthy, a skill she considers just as important as reading itself.

주어진 문장: Taken together, these shortcomings suggest that biodegradability alone cannot guarantee a meaningful reduction in plastic pollution. Biodegradable plastics have been promoted as a promising solution to plastic waste, since they are designed to decompose into natural substances rather than persist for centuries. ① Manufacturers derive these materials from renewable resources such as corn starch, blending them with additives that accelerate microbial breakdown once discarded. ② However, their environmental benefits are often exaggerated, largely because decomposition depends on specific conditions rarely found outside industrial composting facilities. ③ For example, a bag labeled biodegradable may take years, not the weeks advertised, to break down in a landfill or ocean, where temperature and microbial activity remain low. ④ In addition, when mixed with conventional plastics in recycling streams, they can contaminate the process, weakening the quality of materials produced afterward. ⑤ Some engineers therefore compare biodegradable plastics to a bridge that leads nowhere unless paired with infrastructure that completes the journey. Ultimately, realizing their genuine potential requires not only technological refinement but also facilities capable of providing the precise conditions decomposition demands. ① ② ③ ④ ⑤

Confined in this controlled setting, the organisms grow far faster than they ever would in the wild. Long before humans learned to drill for oil, microorganisms had already mastered the art of converting sunlight and carbon dioxide into stored chemical energy. ( ① ) Modern biofuel research borrows this ability, cultivating algae or engineered bacteria in large tanks. ( ② ) There, they can be coaxed into producing oils and sugars that can be refined into fuel usable in existing engines. ( ③ ) Unlike crops grown for corn-based ethanol, which compete directly with food production for arable land, many algae strains can thrive in shallow ponds, wastewater, or even coastal seawater unsuitable for conventional agriculture. ( ④ ) Engineers have also learned to tinker with the metabolic pathways of these organisms, boosting oil yield far beyond what any wild strain would naturally produce on its own. ( ⑤ ) Despite this progress, producing biofuel at a cost competitive with fossil fuel remains difficult, since harvesting and processing the organisms consumes a substantial share of the energy the fuel itself will eventually provide.

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