영어 모의고사 (자동 편성)

A food allergy can turn an ordinary snack shared between classmates into a medical emergency within minutes, which is why schools now take ingredient labels more seriously than they once ①did. For someone with a severe allergy, even a trace amount of the wrong ingredient, transferred by a shared spoon or an unwashed hand, can ②triggers a reaction that closes the airway and becomes life-threatening if untreated. Friends of allergic students sometimes assume that a small bite would not cause serious harm, not ③realizing that the amount needed to trigger anaphylaxis can be smaller than a crumb. Recognizing the early signs, such as swelling around the lips, hives, or sudden difficulty breathing, allows classmates and teachers ④to act before the reaction becomes severe. Many schools now train staff to use an epinephrine auto-injector, a device that can reverse a dangerous reaction within seconds, because waiting for paramedics ⑤to arrive can cost a student the few minutes that make the difference between recovery and tragedy.

Skipping a proper warm-up before intense exercise might seem like a harmless way to save a few minutes, but the practice ①carries real physiological costs. A cold muscle is stiffer and less elastic than a warm one, making it considerably more prone to strains and tears when suddenly ②asked to contract forcefully. Gradually raising body temperature through light activity increases blood flow to the muscles, ③allowing oxygen to reach tissue more efficiently and enabling nerve signals to travel faster between the brain and the muscle fibers. A proper warm-up also raises heart rate gradually, ④easing the cardiovascular system into strenuous work rather than shocking it with a sudden demand. Athletes who warm up thoroughly tend to report better performance in the early minutes of competition, since their bodies are already primed rather than ⑤adjust on the fly.

A growing number of health apps now track steps, sleep, and heart rate throughout the day, ①quietly building a detailed picture of a user's physical condition without requiring a single visit to a doctor's office. By comparing this stream of data against patterns drawn from millions of other users, the app's algorithm can flag early warning signs, such as an irregular heartbeat, long before the person ②experiencing it would have noticed anything unusual on their own. For people living far from specialists or unable to afford frequent checkups, this kind of constant monitoring can ③feel like a genuine safety net. Doctors caution, however, that these apps ④are designed to detect patterns, not to diagnose illness, and that a worried user should always confirm any alarming reading with a professional. Treating a wellness app as a substitute for medical expertise, they warn, can ⑤being just as risky as ignoring a warning altogether.

Soojin started posting short cooking videos on her phone during her last year of high school, never imagining it could become a career. At first, only a handful of friends watched her clips, and she nearly ①quit after several months without noticeable growth. She kept experimenting, however, adjusting her editing style and posting more ②consistently despite the discouraging numbers. Everything changed when one video demonstrating a simple recipe unexpectedly reached millions of viewers overnight. Within a year, Soojin was earning ③more from her online content than most entry-level jobs would have paid her. Still, she quickly learned that being a creator demanded ④minimal work, since algorithms rewarded frequent uploads and audiences expected fresh content daily. Looking back, Soojin realizes that persistence, rather than luck alone, transformed her hobby into a ⑤demanding profession.

Athletes preparing for major endurance events sometimes train for weeks at high altitude, where the air contains ①less oxygen than at sea level, in hopes of gaining a physiological edge once they return to compete at lower elevations. In this thin air, the body responds by producing ②fewer red blood cells, which carry oxygen more efficiently through the bloodstream to working muscles. When these athletes return to sea level, where oxygen is more abundant, their blood retains this elevated capacity for a limited period, potentially translating into ③improved endurance performance. However, the benefits of altitude training are far from guaranteed, since individual athletes respond quite ④differently to the same conditions, and some experience excessive fatigue that undermines the very training they hoped to complete. Many elite programs therefore follow a strategy known as live high, train low, in which athletes sleep at altitude to ⑤stimulate blood adaptations but perform intense workouts at lower elevation to maintain quality and intensity.

For decades, memory researchers assumed that repetition alone determined how well information would be retained, an assumption that an influential theory proposed by Craik and Lockhart eventually overturned. According to their framework, what matters most is _______________. Shallow processing, which involves attending merely to superficial features such as the shape of letters or the sound of a word, produces memory traces that fade quickly and remain vulnerable to interference. Elaborative processing, by contrast, requires connecting new information to existing knowledge, generating meaningful associations, and analyzing semantic content, thereby producing traces that are considerably more durable. Consequently, a student who merely repeats a definition aloud without considering its implications is less likely to retain it than one who relates the concept to a personal example. This distinction reshaped educational practice, encouraging teachers to design tasks that demand comprehension rather than mechanical repetition, since durable memory depends on the depth, not the frequency, of cognitive engagement.

Elite athletes rarely walk up to a free throw line or a golf ball without first performing a highly specific sequence of movements, a habit sports psychologists call a pre-performance routine. Far from being mere superstition, this consistent sequence serves a genuine cognitive purpose: repeating the same physical and mental steps before every attempt narrows an athlete's focus away from distracting thoughts and toward the specific technical cues needed to execute the skill correctly. Researchers have found that athletes who follow a consistent routine tend to show more stable performance under pressure than those who approach each attempt differently, because _______________. For this reason, coaches now actively teach young athletes to develop and rehearse individualized routines rather than treating them as personal quirks.

주어진 문장: This vulnerability explains why crucial instructions embedded in the middle of a lengthy list are so often overlooked or misremembered. Anyone designing a presentation, a curriculum, or a grocery list should attend to a well-documented pattern in human memory known as the serial position effect. When people are asked to recall items from a list right after studying it, they consistently remember the items presented at the beginning and end far better than those buried in the middle. ( ① ) The advantage for early items, called the primacy effect, arises because those items receive more rehearsal and are more likely to be transferred into long-term storage before subsequent items compete for attention. ( ② ) The advantage for final items, known as the recency effect, occurs because those items remain accessible in short-term memory at the moment of recall. ( ③ ) Middle items suffer because they must compete for limited rehearsal opportunities while lacking the stability afforded by extended processing. ( ④ ) Communicators who ignore this pattern risk burying their most important point where it will predictably be forgotten. ( ⑤ ) A more effective strategy, therefore, places the crucial message at the beginning or end, precisely where memory proves most reliable.

This harms the very community whose rational members, each behaving perfectly rationally as individuals, together caused its collapse. 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. ( ① ) 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. ( ② ) 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. ( ③ ) Philosophers use this scenario to illustrate a troubling gap between what benefits an individual in the short term and what preserves a shared resource in the long term. ( ④ ) It is a gap, moreover, that voluntary self-restraint alone rarely closes. ( ⑤ )

In response, some platforms have begun inserting occasional wildcard suggestions that are deliberately unrelated to past viewing habits. After a viewer finishes an episode, a streaming service rarely leaves the choice of what to watch next entirely up to chance. ( ① ) Instead, a recommendation algorithm compares that viewer's habits with patterns drawn from millions of other users who watched similar content, then ranks thousands of titles in order of predicted interest. ( ② ) This approach keeps viewers engaged far longer than a simple list of new releases ever could, which is precisely why streaming companies invest so heavily in refining it. ( ③ ) The system is not without drawbacks, however. Because the algorithm favors titles similar to what a viewer already enjoys, it can quietly narrow someone's exposure to unfamiliar genres, directors, or cultures, creating a comfortable but repetitive bubble. ( ④ ) These wildcard picks are meant to counteract this narrowing effect and keep recommendations from becoming too predictable. ( ⑤ )