영어 모의고사 (자동 편성)

Anyone who has tried to name the ink color of a word like red printed ① in blue letters knows how surprisingly difficult the task can feel. This everyday struggle, known as the Stroop effect, deserves ② more attention than casual curiosity grants it, because it reveals something fundamental about how the mind allocates its limited resources. Reading a familiar word is an automatic process practicing ③ so extensively since childhood that it proceeds almost involuntarily, whereas naming a color requires deliberate, controlled attention. When these two processes point toward conflicting answers, the automatic pathway tends to intrude upon the controlled one, slowing ④ responses and increasing errors. Educators should not dismiss this delay as a trivial curiosity confined to laboratories, since the same competition between habit and intention underlies far more consequential situations, such as a driver's struggle to resist checking a phone despite knowing the danger. Recognizing how automatic responses can hijack conscious intentions is essential for designing ⑤ environments, from classrooms to highways, that support rather than undermine our efforts at self-control.

When people face a difficult decision, they often weigh not only the expected outcome of each option but also how painful it would feel ①to discover later that a different choice had been better. This anticipation of future regret, rather than the size of the potential loss itself, frequently becomes the dominant factor ②shaping the final decision. Investors, for example, sometimes continue holding a declining stock rather than ③selling it, not because they expect the price to recover, but because selling would force them to confront the possibility ④of having made a clear mistake. Researchers have found that people feel sharper regret over losses that resulted from taking action than over identical losses that resulted from doing nothing, which ⑤help explain why so many individuals default to inaction whenever a decision feels uncertain.

Planning a multi-city trip once meant hours ①spent comparing flight schedules, reading hotel reviews, and mapping out which sights were close enough to visit in a single day. AI travel planners now compress much of that work into a short conversation, ②asking about a budget, a travel style, and a handful of preferences before generating a full day-by-day itinerary within minutes. The tool draws on enormous amounts of data, including flight prices, seasonal weather patterns, and reviews ③leaving by previous travelers, to suggest a route that avoids obvious scheduling conflicts. Many travelers appreciate ④having a solid starting point rather than a blank page. Still, seasoned travelers warn that these itineraries can feel oddly generic, often ⑤steering users toward the same popular landmarks.

Researchers who study teenagers have found a ①strong link between how well students sleep and how well they perform in school. Students who sleep fewer than seven hours a night tend to score ②lower on tests of memory and attention than those who sleep eight or nine hours, even when the two groups study for the same number of hours. One explanation is that sleep plays an active role in learning: during certain stages of sleep, the brain replays and strengthens information encountered during the day, converting fragile short-term memories into more ③durable long-term ones. When sleep is cut short, this consolidation process is interrupted before it can finish, so material that seemed well understood the night before often feels ④unfamiliar the next morning. For this reason, some schools have begun ⑤confirming early start times, reasoning that an extra hour of sleep might do more for test scores than an extra hour of studying ever could.

Passion and talent each offer different advantages when choosing a career. (A) Talent, meanwhile, can lead to quick success, but without real interest, that success may feel empty over time. (B) Passion gives strong motivation, pushing a person to practice for long hours without feeling tired. (C) For this reason, many experts recommend looking for an overlap between the two rather than choosing only one.

Long before calculus existed, the Greek philosopher Zeno constructed a series of paradoxes designed to show that motion itself might be logically impossible. (A) In one version, a swift runner named Achilles races a slow-moving tortoise that is given a modest head start, and common sense insists that Achilles will quickly overtake it. (B) Yet Zeno's argument suggests otherwise: each time Achilles closes the gap, the tortoise has already advanced a little further, generating an infinite number of smaller and smaller gaps. (C) Zeno concluded that Achilles could never actually catch the tortoise, a conclusion that modern mathematics eventually resolved by showing that an infinite series of shrinking distances can still sum to a finite total.

Imagine rewriting a bacterium's code the way a programmer edits a line of software, and much of what synthetic biology promises begins to make sense. (A) Critics note that biological systems rarely behave as predictably as electronic circuits, since a gene inserted into a new cell can interact with existing pathways in unexpected ways; even so, as the catalog of standardized parts keeps expanding, engineers are gaining confidence to design increasingly complex systems. (B) Because these circuits are built from interchangeable parts rather than designed from scratch each time, a circuit tested in one lab can often be reused, with minor adjustments, in an entirely different application. (C) Researchers in this field assemble standardized genetic parts into circuits that can be inserted into a cell, instructing it to perform a task that no natural organism would carry out.

Modern sports wearables, from wrist-worn fitness trackers to smart insoles, continuously collect data that would once have required a laboratory to measure. (A) However, the flood of data has also created a new challenge, since distinguishing a meaningful pattern from ordinary daily fluctuation requires expertise that many amateur athletes simply do not have. (B) Coaches use this constant stream of information to detect early warning signs of overtraining, sometimes noticing a decline in performance before the athlete consciously feels tired. (C) Because of this, many teams now rely on wearable data as a routine part of daily monitoring, checking it as automatically as they once checked a stopwatch.

Because the airway narrows gradually rather than closing all at once, the severity of each episode can vary widely. Sleep apnea is a disorder in which breathing repeatedly stops and restarts during sleep, often because the muscles at the back of the throat relax too much and block the airway. ( ① ) Each pause can last from a few seconds to over a minute, and it may occur dozens of times in a single night without the sleeper ever waking up fully. ( ② ) Because these interruptions rarely produce a clear memory the next morning, many people remain unaware that anything is wrong, even as chronic fatigue, headaches, and irritability build up over months. ( ③ ) Doctors therefore rely less on a patient's own account of the night and more on objective measurements, such as overnight oxygen levels and airflow patterns recorded in a sleep laboratory. ( ④ ) Left untreated, the disorder has been linked to serious long-term risks, including high blood pressure and heart disease, which makes an accurate diagnosis far more urgent than its subtle nighttime symptoms might suggest. ( ⑤ )

In other instances, the danger came not from the immune system at all but from where the new gene happened to land. 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. ( ① ) 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. ( ② ) 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. ( ③ ) Early trials were haunted by serious setbacks, including cases in which the delivery virus triggered a dangerous immune reaction. ( ④ ) The virus, in such cases, inserted the new gene in a spot that disrupted other essential genes. ( ⑤ ) Refined delivery methods have since made the treatment considerably safer, and regulators in several countries have now approved gene therapies for a small but growing number of rare inherited disorders.