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 a country physician named Edward Jenner noticed that milkmaids who had caught cowpox seemed immune to smallpox, he set in motion a medical revolution without fully understanding why it worked. _______________. This method produced genuine successes, eventually eliminating smallpox worldwide and reducing diseases such as polio and measles, but each new vaccine still required years of laboratory work with no guarantee of success. Advances in molecular biology eventually allowed researchers to isolate a single protein from a pathogen's surface rather than using the whole organism, producing vaccines with fewer side effects and a more predictable safety profile. The most recent shift, toward delivering genetic instructions rather than proteins themselves, represents the latest chapter in a story that began with an eighteenth-century doctor's curiosity about a puzzling immunity among dairy workers.

Physicist Erwin Schrödinger devised a now-famous thought experiment not to describe an actual laboratory procedure, but to expose an absurdity hidden within a leading interpretation of quantum mechanics. Imagine a cat sealed inside a closed box together with a radioactive atom, a Geiger counter, and a vial of poison gas rigged to break open the instant the atom decays. Because the atom's decay is governed by genuine quantum randomness, standard quantum theory describes the atom, before anyone looks, as existing in a superposition of having decayed and not having decayed at the same time. If the theory is applied consistently to the entire box, the cat itself would have to be considered simultaneously alive and dead until an observer opens the lid and looks inside. Schrödinger intended this image to sound obviously ridiculous, using the cat's absurd fate to question whether _______________.

The immune system produces an almost limitless variety of antibodies, each shaped to latch onto one particular molecular target with remarkable specificity. Monoclonal antibody drugs harness this natural precision by cloning a single antibody-producing cell in the laboratory, generating an army of identical antibodies built to recognize one target, such as a protein on a cancer cell or a molecule driving an autoimmune disease. _______________. Manufacturing monoclonal antibodies remains far more complicated than producing a conventional small-molecule pill, since living cells must be cultivated in carefully controlled bioreactors for weeks before the antibody can be purified and prepared for use. This complexity keeps monoclonal antibody treatments considerably more expensive than most conventional drugs, a cost that continues to shape debates over pricing and access.

As buildings account for a substantial share of global energy consumption, architects have increasingly turned to a design philosophy known as the passive house standard, which minimizes energy demand through the building's own structure rather than through mechanical systems. (A) Consequently, many architects regard passive house design not as a luxury for wealthy homeowners but as a practical model capable of reshaping mainstream construction. (B) Central to this approach is airtight construction, in which continuous insulation and sealed joints prevent conditioned air from leaking outward, thereby reducing the heating and cooling loads conventional buildings require. Triple-glazed windows, oriented to capture sunlight in winter while shading interiors in summer, further stabilize indoor temperatures without relying heavily on furnaces or air conditioners. (C) Ventilation systems equipped with heat exchangers also recover warmth from outgoing air, transferring it to incoming air so that comfort is maintained without excessive energy use. For example, some passive houses built in cold climates have reduced heating costs by more than ninety percent.

This puzzling inconsistency is not, as it turns out, a matter of chance. Two patients diagnosed with the same disease and prescribed the same medication can respond in strikingly different ways, one recovering quickly while the other experiences little benefit or even harmful side effects. ( ① ) Precision medicine starts from the observation that this variation often traces back to differences buried in each patient's genome. ( ② ) These differences determine how efficiently a body absorbs, breaks down, or responds to a given drug. ( ③ ) By sequencing a patient's DNA before treatment begins, doctors can increasingly predict which medication is likely to work best and at what dose, replacing a strategy once described as one-size-fits-all with something closer to a tailored fit. ( ④ ) This approach has proven especially valuable in cancer treatment, where tumors from two patients with the same diagnosis may carry entirely different genetic mutations that respond to entirely different drugs. ( ⑤ ) Widespread adoption still faces real obstacles, since genetic sequencing remains expensive in many regions and few doctors have been trained to interpret the flood of genetic data such tests now produce.

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

The label "biodegradable," in other words, can be far more conditional than consumers realize. A plastic bag that fully decomposes within months rather than lingering for centuries sounds almost too convenient to be real, yet certain bioplastics on the market do exactly that under the right conditions. ( ① ) Unlike conventional plastic, derived almost entirely from petroleum, many bioplastics are synthesized from renewable feedstocks such as corn starch or sugarcane, sometimes with the help of bacteria engineered to produce plastic-like polymers as a byproduct of their metabolism. ( ② ) Not every bioplastic biodegrades quickly, however. ( ③ ) Some marketed as eco-friendly break down only in industrial composting facilities that reach conditions rarely found in a backyard compost heap or the open ocean. ( ④ ) Critics point out that growing crops for bioplastic production can compete with food crops for farmland and water, complicating the assumption that a biological origin automatically makes a material more sustainable. ( ⑤ ) Researchers are now exploring bioplastics made from agricultural waste and algae instead of dedicated crops, hoping to sidestep this competition for land while preserving the benefits that first made bioplastics appealing.

People also want to actually do certain things and to actually be a certain kind of person, not merely to feel as though they had. Philosopher Robert Nozick asked his readers to imagine a machine capable of producing any experience they desired, from writing a great novel to falling in love, all indistinguishable from reality once they were plugged in. ( ① ) Neuroscientists would simply stimulate the brain to generate a lifetime of perfectly satisfying experiences, and the person floating in the tank would have no memory of ever choosing to enter it. ( ② ) If pleasure and the avoidance of pain were truly all that mattered, as classical hedonism claims, then everyone should rush to connect themselves permanently to such a machine. ( ③ ) Yet when people actually consider the offer, most hesitate, and many refuse outright. ( ④ ) Nozick took this reluctance as evidence that human beings care about more than the quality of their internal sensations. ( ⑤ ) Maintaining genuine contact with a reality beyond one's own mind, it turns out, matters just as much as how that mind happens to feel.

For this reason, many economists argue that the real challenge is not the robots themselves, but the speed at which society is expected to adapt to them. Factories that once employed hundreds of workers on an assembly line now run with a fraction of that staff, as robotic arms handle tasks that used to require human hands. ( ① ) Economists have long debated whether this shift destroys jobs or simply transforms them. ( ② ) Historical evidence offers some comfort: previous waves of automation eventually created new categories of work that no one had predicted. ( ③ ) However, critics point out that earlier transitions unfolded over generations, giving workers time to retrain, whereas today's robots are being deployed at a pace that leaves little room for adjustment. ( ④ ) A factory worker displaced this year cannot simply wait for a new industry to emerge decades from now. ( ⑤ )