영어 모의고사 (자동 편성)

Philosopher Harry Frankfurt devised a scenario ①to challenge a long-held assumption about moral responsibility: that a person can be blamed for an action only if they could genuinely have done otherwise. Imagine a man named Black who secretly implants a device in another man's brain, ②ready to force a particular decision if the second man shows any sign of choosing differently. The second man, however, decides entirely on his own to perform the very action Black wanted, and the device never ③activating at all. Black's hidden mechanism made it impossible for the man ④to have chosen otherwise, yet most people still consider him fully responsible for what he freely decided to do. Frankfurt used this scenario to argue that moral responsibility depends on the actual reasoning behind a choice, not on some abstract guarantee that an alternative path ⑤remained available the entire time.

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 ①eat oil. Certain naturally occurring microbes possess enzymes capable of breaking hydrocarbon molecules apart, using the carbon as an energy source and ②rapidly converting a toxic slick into carbon dioxide and harmless byproducts. Bioremediation, as this approach is called, works far more slowly than mechanical cleanup, often taking months rather than days, but it can reach contamination trapped in soil or sediment that skimmers and booms can never reach. Scientists have learned to ③accelerate 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. Because the method relies on living organisms rather than heavy machinery, it also tends to leave a far ④gentler footprint on the surrounding ecosystem than excavation or chemical treatment ⑤ever could.

John Rawls proposed an unusual thought experiment to determine what principles of justice a society ought to adopt. Imagine a group of rational people gathered to design the basic rules of their future society, but placed behind what he called a veil of ignorance, a condition under which ①none of them knows their own race, gender, wealth, talents, or social position in advance. Since no one can predict whether they will be born into privilege or poverty, each person has a strong incentive to choose rules that ②protect the worst-off members of society, rather than rules that merely favor whichever group they happen to belong to. Rawls argued that rational people placed in this position would not gamble on inequality; instead, they would favor arrangements that guarantee basic liberties for everyone and permit unequal outcomes only when those outcomes actually ③benefit the least advantaged. Justice, on this view, is what ④impartial reasoning produces once self-interest is ⑤maximized.

A striking proportion of individual investors believe their own stock-picking ability to be above average, a statistical ①impossibility given that only half of any population can genuinely outperform the rest, yet a pattern that persists with remarkable consistency across surveys. This tendency, known as overconfidence bias, leads investors to trade more ②frequently than a more cautious assessment of their own skill would justify. Extensive research comparing the trading records of numerous individual accounts has ③demonstrated that investors who trade most frequently tend to earn substantially ④higher returns than those who trade rarely, largely because transaction costs accumulate and because frequent trading often reflects overconfident reactions to short-term noise rather than genuine insight. Overconfidence also manifests in the tendency to underestimate the range of possible outcomes, causing investors to concentrate their holdings in a small number of assets they feel certain about rather than diversifying across a broader portfolio. Paradoxically, then, the very confidence that motivates investors to act decisively often ⑤undermines the outcomes they are trying to achieve.

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 printer that once produced only plastic prototypes can now deposit living cells layer by layer to build a structure that begins to resemble actual tissue. Bioprinting adapts the logic of conventional 3D printing, replacing plastic filament with a specialized ink made of living cells suspended in a gel that supports their survival while the shape sets. Printing a flat patch of skin or a simple blood vessel has already moved from laboratory curiosity to early clinical testing, since these tissues are thin enough for nutrients to reach every cell by diffusion. _______________. Researchers are therefore focusing on hybrid strategies, printing a rough scaffold and then allowing the tissue to mature and grow its own vasculature over time, rather than attempting to print every vessel directly.

Every time a smartphone connects to a cell tower or a Wi-Fi network, it quietly records a data point that can later be pieced together into a detailed map of where its owner has been. (A) Companies often argue that anonymized data cannot be traced back to individuals, yet researchers have repeatedly shown that a handful of location points is enough to identify a specific person. (B) Most users agree to this tracking without reading the fine print, assuming that a single company's database poses little threat. (C) The real danger, however, emerges when location data from multiple sources is combined, revealing a person's home, workplace, and daily route.

Desalination, the process of removing dissolved salts from seawater to produce fresh water, has increasingly been adopted by coastal regions facing chronic water scarcity. (A) Pumping seawater through membranes at high pressure also demands substantial electricity, so plants powered by fossil fuels can worsen the emissions that intensify drought. Therefore, engineers increasingly argue that desalination should be treated not as a stand-alone remedy but as one component of a broader conservation strategy. (B) Nevertheless, desalination remains an inherently costly and environmentally burdensome solution, a fact often overlooked amid enthusiasm for ending water shortages. For instance, the process generates a concentrated byproduct called brine, which, when discharged without adequate dilution, can raise local salinity to levels that harm marine life. (C) Most modern facilities rely on reverse osmosis, a technique in which seawater is forced through membranes whose microscopic pores block salt while letting water molecules pass. Because this method consumes far less energy than the thermal distillation once dominant in the industry, it has become the preferred choice for large-scale plants.

When consumers compare two products and assume that the one labeled "eco-friendly" is automatically the more sustainable choice, they often overlook the complexity involved in verifying such a claim. (A) 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. This method examines raw material extraction, manufacturing, transportation, use, and disposal, compiling data on energy consumption and emissions generated at each stage. (B) By tracing a product from its origin to its disposal, this approach reveals impacts that might otherwise remain hidden 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 substantial environmental costs elsewhere. (C) Without accounting for these earlier stages, a superficial comparison could mistakenly present the vehicle as entirely emission-free. Therefore, researchers increasingly rely on life cycle assessment to make informed decisions rather than trusting labels alone.

The framing effect becomes especially consequential in public health communication, where the stakes of a misunderstood message can be severe. (A) Campaigns that frame vaccination as an opportunity to protect ninety-five percent of recipients from a disease tend to generate calm, sustained interest, since the message emphasizes what individuals stand to gain. (B) By contrast, campaigns that frame the same behavior negatively, warning that failure to act will result in a specific number of preventable illnesses, tend to provoke stronger short-term compliance, though sometimes at the cost of inducing anxiety rather than genuine understanding. (C) Public health officials must therefore weigh not only whether a message is factually accurate but also whether its emotional framing serves the audience's long-term well-being.