영어 모의고사 (자동 편성)

Classical economic theory assumes that consumers ①evaluate every price change in the same rational way, weighing marginal benefit against marginal cost regardless of the absolute numbers involved. Behavioral economists, however, have discovered a striking exception: the moment a price drops to exactly zero, people's judgment ②shift in a way that ordinary discounting cannot explain. In a well-known laboratory experiment, participants chose between two chocolates, one of higher quality ③priced at a small fee and one of lower quality offered for free. When both prices were merely ④reduced by the same amount, most participants still preferred the higher-quality option. Yet once the cheaper chocolate's price was lowered to zero, the majority abruptly switched their preference, even though the price gap between the two options had not actually ⑤changed.

Prospect theory proposes that the subjective value of money is not a straight line but a curved function, ①differing sharply from the assumptions of classical economic models. In the domain of gains, the function bends downward as amounts ②increase, so the psychological difference between earning zero and one hundred dollars feels far greater than between earning one thousand and eleven hundred. A parallel pattern appears among losses, where the curve ③bend in the opposite direction, yet sensitivity still fades as the amount grows larger. This tendency, ④known as diminishing sensitivity, explains why a shopper barely notices a ten dollar increase on a two thousand dollar purchase. Researchers illustrate this curvature with graphs ⑤shaped like an S turned sideways, sloping gently near the center and flattening toward both extremes.

When engineers design the software ①that controls a self-driving car, they inevitably face a question that philosophers have debated for decades. If a crash becomes unavoidable, should the vehicle protect its own passenger at all costs, or should it be programmed ②minimizing total harm, even if that means steering toward the person inside? Surveys reveal an uncomfortable contradiction: most people say a car should be programmed to save the greater number of lives, yet the same people admit ③they would never buy a vehicle designed to sacrifice its own owner. This gap between the ideal and the personal choice suggests that ethical programming cannot ④be settled by public opinion alone. Manufacturers, regulators, and philosophers must instead agree on transparent rules before autonomous vehicles ⑤are allowed to make such decisions on the road.

Eyewitness testimony has long carried weight in courtrooms, yet decades of research reveal that memories of witnessed events are more ①malleable than most people assume. When individuals who observe an event are later exposed to ②misleading information about what they saw, whether through a leading question or a conversation with another witness, their recollections frequently incorporate details that never occurred, a phenomenon known as the misinformation effect. In one classic paradigm, participants who watched a video of a traffic accident and were then asked how fast the cars were going when they smashed into each other reported ③higher speed estimates and were more likely to falsely recall broken glass than participants asked the identical question using the milder verb hit. Crucially, these distorted memories often feel ④genuine to the person experiencing them, since the original memory trace becomes blended with the newly introduced information rather than existing as a separate, contradictory record. Such findings have prompted legal systems to adopt ⑤careless interviewing protocols designed to minimize suggestive questioning during investigations.

Anyone who has ever promised to finish a project "by Friday," only to still be working on it weeks later, has experienced the planning fallacy ①firsthand. This term describes the ②occasional tendency of individuals and organizations to underestimate how long a task will take, how much it will cost, and how many complications will inevitably arise. What makes this bias particularly ③stubborn is that awareness of past failures rarely leads to more accurate predictions; a construction firm that finished its last three projects late will often insist, with genuine confidence, that this next project will be different. Researchers argue that planners focus almost exclusively on the specific steps of the current task while ignoring the ④broader statistical record of similar projects that came before. One proposed remedy, known as reference class forecasting, requires planners to ⑤deliberately consult outcomes from comparable past projects rather than relying solely on their own optimistic intuition.

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.

Generative AI systems learn to write, draw, and compose by studying ①enormous collections of existing human work, much of which was created without the artists' knowledge or consent. Supporters of the technology argue that this process resembles how a human student learns by studying the masters, ②absorbing style and technique rather than copying specific pieces. Critics respond that the comparison ③holds up perfectly at scale, since a single AI model can absorb millions of works in days. Courts around the world are now being asked to decide whether training an algorithm on copyrighted material counts as fair use or as ④infringement. Until clearer rules emerge, artists, developers, and publishers remain locked in a legal ⑤gray zone that satisfies almost no one.

When workers receive a five percent raise in a year when prices have climbed five percent as well, their real purchasing power has not changed at all, yet many still report _______________. This tendency to judge economic well-being by nominal figures printed on a paycheck, rather than by what that money can actually purchase, is known among economists as money illusion. Employers exploit this pattern by favoring modest nominal raises over deeper structural adjustments, since a visible increase on a payslip satisfies employees more effectively than an explanation about inflation could.

For patients born with a single faulty gene, the disease has traditionally been treated indirectly, managing symptoms for a lifetime rather than addressing the genetic error itself. (A) Early trials were haunted by serious setbacks, including cases in which the delivery virus triggered a dangerous immune reaction, but refined delivery methods have since made the treatment considerably safer, leading regulators in several countries to approve gene therapies for a small but growing number of rare inherited disorders. (B) Gene therapy attempts something more ambitious: delivering 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. (C) Once inside the nucleus, the corrected gene can begin producing the protein the patient's body had always lacked, in some cases reversing symptoms that medication alone had never been able to touch.

The same mechanism that helps citizens save more for retirement, in other words, can just as easily be turned against their financial interests. Default settings are not inherently virtuous; their ethical value depends entirely on whose interests they serve. ( ① ) A retirement plan that automatically enrolls employees at a reasonable contribution rate generally benefits those employees by overcoming their tendency toward inertia. ( ② ) A subscription service that automatically renews at a higher price unless the customer actively cancels, however, exploits that very same inertia for the company's benefit rather than the customer's. ( ③ ) Both arrangements rely on the identical psychological tendency to accept whatever has been preselected. ( ④ ) Distinguishing between beneficial and exploitative uses of default settings therefore requires examining not the mechanism itself but the intentions and incentives of whoever designed it. ( ⑤ ) Regulators increasingly demand transparency about default settings precisely because the mechanism alone cannot reveal whether it serves the consumer or merely the company offering it.