영어 모의고사 (자동 편성)

For patients born with a single faulty gene, the disease has traditionally ①being treated indirectly, managing symptoms for a lifetime rather than addressing the genetic error itself. Gene therapy attempts something more ambitious: ②delivering a corrected copy of the gene directly into a patient's cells, often using a disabled virus stripped of its ability to cause illness as a delivery vehicle. Once inside the nucleus, the corrected gene can begin producing the protein the patient's body ③had always lacked, in some cases reversing symptoms that medication alone had never been able to touch. Early trials were haunted by serious setbacks, including cases in which the delivery virus triggered a dangerous immune reaction or ④inserted the new gene in a location that disrupted other essential genes. Refined delivery methods have since made the treatment considerably safer, and regulators in several countries have now approved gene therapies for a small but ⑤growing number of rare inherited disorders.

A few years ago, spotting a manipulated video required a trained eye and ①specialized software. Today, freely available applications allow almost anyone to swap a face or fabricate a voice ②convincingly enough to fool casual viewers within minutes. This shift has quietly ③reinforced one of the oldest assumptions in human communication: that seeing and hearing something is a reasonably reliable way to confirm it happened. Journalists now face the burden of verifying footage that once would have been accepted as ④self-evident proof. Perhaps more troubling than any single fake video is the broader effect on public trust, in which genuine footage can be ⑤dismissed as fabricated simply because deepfakes exist.

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.

Medieval philosophers told the story of a hungry donkey placed exactly midway between two identical, equally fragrant piles of hay, with no factor whatsoever tipping the balance toward either option. Because the donkey is assumed to be a perfectly rational creature that always chooses the option supported by the strongest reason, and because neither pile offers any advantage over the other, the donkey supposedly finds itself with no rational basis for choosing one pile rather than the other. Paralyzed by this perfect symmetry, the donkey starves to death precisely because it can find no reason to move in either direction. Critics of the story point out that _______________.

Consider a village green shared freely by every herder in the community, where each individual may graze as many animals as they wish without paying any fee. From the perspective of any single herder, adding one more animal to the shared pasture brings a clear personal benefit, since the extra income belongs entirely to that herder alone. The cost of the additional grazing, however, is spread thinly across every herder who uses the green, so no single individual bears more than a tiny fraction of the damage. Because this calculation favors adding more animals for every rational herder, the shared pasture is gradually overgrazed until it can no longer support any animals at all, harming the very community whose rational members caused the collapse. Philosophers use this scenario to illustrate _______________.

Long before humans learned to drill for oil, microorganisms had already mastered the art of converting sunlight and carbon dioxide into stored chemical energy. (A) Modern biofuel research borrows this ability, cultivating algae or engineered bacteria in large tanks where they can be coaxed into producing oils and sugars that can be refined into fuel usable in existing engines. (B) 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. (C) Engineers have also learned to boost oil yield through genetic tinkering, yet 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.

Hyperbolic discounting has direct implications for how retirement savings programs ought to be designed. (A) If employees are asked at the moment of hiring whether they wish to increase their contribution rate at a specific point in the future, many agree readily, since the sacrifice feels distant and therefore painless. (B) When that future date eventually arrives, however, the automatic increase proceeds smoothly precisely because the decision was locked in before the immediate discomfort of a smaller paycheck became salient. (C) This design, sometimes described as committing one's future self in advance, effectively exploits the very inconsistency that hyperbolic discounting predicts, turning a psychological weakness into a practical advantage.

Fairness, in other words, is not a feature that can simply be patched in once a problem is discovered. Many large companies now rely on artificial intelligence to screen job applications before a human ever sees them. ( ① ) These systems promise efficiency, scanning thousands of resumes in seconds and ranking candidates according to patterns drawn from previous hiring decisions. ( ② ) However, this reliance on historical data creates a troubling risk. ( ③ ) If a company's past hiring favored a particular group, the algorithm may learn to treat that pattern as a marker of success and quietly reproduce it, even when no one intended discrimination. ( ④ ) Unlike a human interviewer, the system offers no explanation for its choices, which makes the bias difficult to detect until an outside audit reveals it. ( ⑤ ) Some researchers argue that fairness cannot be added afterward; it must be built into the system's design from the very beginning.

Yet this reluctance to accept a small certain loss often leads to a much larger loss later, when the declining trend continues unabated. Loss aversion strongly influences how investors manage their portfolios during periods of market decline. ( ① ) When the value of a stock begins to fall, many investors postpone selling, hoping that the price will rebound to its original level. ( ② ) This tendency is closely tied to the psychological discomfort of converting an unrealized loss into a realized one, since selling forces the investor to formally acknowledge the loss. ( ③ ) Research on trading behavior consistently shows that investors hold declining stocks for longer periods than rising ones, a pattern that runs counter to the basic principle of cutting losses early. ( ④ ) Financial advisors therefore encourage clients to set predetermined selling thresholds in advance, before emotional attachment to a particular price can distort their judgment. ( ⑤ ) By committing to a rule beforehand, investors can partially neutralize the emotional bias that loss aversion introduces into decision-making.

Philosophers return to this old story again and again, not because they care about timber, but because it forces us to ask a far deeper question about identity itself. The ancient puzzle known as the ship of Theseus asks a deceptively simple question. ( ① ) If every plank of a wooden ship is replaced one by one over many years, is the vessel that eventually results still the same ship it once was? ( ② ) Most people's first instinct is to answer yes, since each individual replacement seems too small to erase the ship's identity. ( ③ ) The puzzle grows far sharper, however, once a second twist is introduced: suppose a careful collector gathered every discarded plank and reassembled them into a second vessel, built exactly as the original once stood. ( ④ ) Two ships would then exist side by side, each with an equal claim to being the genuine one, and no obvious way to decide between them. ( ⑤ ) Whether identity depends on continuous material, continuous form, or some deeper thread, no single answer has ever fully satisfied everyone who has taken up the question.