영어 모의고사 (자동 편성)

Beyond restoring lost function, engineers are now exploring implants and prosthetics ①designed to give healthy people abilities beyond ordinary human limits, from night vision to reaction times faster than any athlete could achieve through training alone. Supporters frame this as simply the next step in a long history of human enhancement, no different in principle from eyeglasses or vaccines, only more direct. Critics counter that earlier enhancements ②were broadly available to anyone regardless of wealth, while cutting-edge neural and physical implants are likely ③remaining expensive for decades, potentially splitting society into those who can afford enhancement and those who cannot. If such a divide hardens, competitive advantages in school, sports, and the workplace could come to depend less on effort than on access to capital. What began as a medical tool for restoring what was lost, in other words, may end up ④redefining the baseline of what counts as an ordinary human being ⑤altogether.

John Rawls proposed an unusual thought experiment ①to 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 ②placed behind what he called a veil of ignorance, a condition under which none 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 ③has a strong incentive to choose rules that protect the worst-off members of society. 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 ④permitting unequal outcomes only when those outcomes actually benefit the least advantaged. Justice, on this view, is what impartial reasoning ⑤produces once self-interest is stripped away.

A single fertilized egg eventually gives rise to every cell type in the human body, from neurons to bone, a feat that has ①fascinated biologists for more than a century. Embryonic stem cells retain much of that original ②versatility, 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. Because harvesting these cells traditionally required destroying a human embryo, the research ③eliminated ethical objections fierce enough to slow funding and legislation in several countries for years. A breakthrough arrived when scientists discovered that ordinary adult skin cells could be reprogrammed into a state resembling embryonic versatility without ever touching an embryo. These induced pluripotent cells have not entirely erased the ethical debate, but they have opened a path for stem cell research that far more scientists and funding agencies are ④willing to ⑤support.

Standard economic theory assumes that money is fungible, meaning that a dollar earned as salary is functionally ①identical to a dollar received as a tax refund or won in a lottery. In practice, however, people routinely sort their finances into separate mental accounts, treating money differently depending on its source or intended purpose. A household that would never dip into its retirement savings to pay for a vacation might nonetheless spend an unexpected bonus on that very trip without ②hesitation, even though both sums are, in strictly financial terms, equally available for either purpose. This ③compartmentalization can produce decisions that appear ④consistent when viewed through a purely rational lens: the same individual who diligently saves a portion of every paycheck may simultaneously carry high-interest credit card debt, effectively paying more to borrow than they earn on their savings. Mental accounting is not always harmful, however; by assigning specific categories to specific funds, individuals can also impose useful ⑤discipline on their spending, preventing money earmarked for essential needs from being diverted toward impulsive purchases.

Imagine a man locked inside a room who does not understand a single word of Chinese, yet who possesses a giant rulebook written entirely in English. Slips of paper covered with Chinese characters are passed in through a slot, and by following the rulebook's instructions step by step, he produces replies that appear fluent to anyone outside. From the perspective of a native speaker reading the responses, the room seems to understand Chinese perfectly. Yet the man inside understands nothing at all; he is merely manipulating shapes according to formal rules, without grasping their meaning. This scenario was designed to challenge the assumption that a computer running a sophisticated program truly understands language simply because it produces convincing output. Passing every external test of intelligence, the argument suggests, is not the same as possessing genuine understanding, since _______________.

As more schools shift toward digital textbooks and online assignments, a student without reliable internet access at home faces a disadvantage that has little to do with talent or effort. Some policymakers initially treated internet access as a convenience, comparable to cable television, rather than as infrastructure essential to modern life. That assumption is increasingly being reconsidered, particularly as _______________. Closing this divide will require more than simply distributing devices.

This prospect raises a philosophical question that medicine alone cannot answer. Devices that translate brain activity directly into digital commands have moved from laboratory experiments to real medical use, allowing paralyzed patients to control a robotic arm or type a message using thought alone. ( ① ) As the technology improves, some developers envision a future in which brain-computer interfaces extend beyond restoring lost function toward enhancing healthy minds. ( ② ) They imagine offering faster memory or expanded attention to anyone willing to undergo the procedure. ( ③ ) If a device can alter memory, mood, or decision-making, at what point does the assistance stop being a tool and start reshaping the very identity of the person using it? ( ④ ) Neuroethicists argue that mental privacy may need to be recognized as a fundamental right before this technology becomes widespread. ( ⑤ )

The underlying technique, it turns out, borrows more from a familiar desktop machine than one might expect. 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. ( ① ) 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. ( ② ) 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. ( ③ ) Printing a solid organ such as a kidney remains a far greater challenge, because internal cells starve without their own blood supply. ( ④ ) No printer yet exists that can build a network of vessels fast enough to keep them alive. ( ⑤ ) 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.

Weak ties, precisely because they connect otherwise separate networks, transmit novel information more efficiently than the redundant, overlapping ties within a tightly bonded group. Sociologist Mark Granovetter challenged a common assumption when he found that job seekers were more likely to hear about new opportunities from casual acquaintances than from close friends and family. ( ① ) This finding, published as the strength of weak ties, rests on a structural insight. ( ② ) Close friends tend to belong to the same tight social circle and therefore already share most of the same information. ( ③ ) Casual acquaintances, by contrast, typically move in different circles and can act as bridges to information a person would otherwise never encounter. ( ④ ) Granovetter's insight has since been applied well beyond job searches, informing research on how innovations spread and how epidemics travel through a population. ( ⑤ )

Few of these later buyers, however, possess any independent basis for judging whether the asset's price still bears any relation to its underlying value. A speculative bubble typically begins with a genuine, defensible reason for optimism, such as a promising new technology or an unusually favorable economic environment. ( ① ) Early investors who recognize this genuine opportunity purchase the asset and, as expected, often see its price rise accordingly. ( ② ) As word of these early gains spreads, a second wave of investors enters the market, drawn less by independent analysis than by the simple observation that the price has already climbed. ( ③ ) They are, in effect, purchasing confidence rather than value, trusting that the crowd's continued enthusiasm will sustain or further elevate the price. ( ④ ) This reliance on collective momentum rather than fundamental analysis is precisely what transforms a reasonable initial rally into an unsustainable bubble. ( ⑤ ) When the momentum eventually falters, as it inevitably must, the absence of any solid fundamental foundation leaves the price with nothing to support it.