영어 모의고사 (자동 편성)

When temperatures drop below freezing overnight, an invisible layer of black ice can form on sidewalks ① that look perfectly dry, catching even careful walkers off guard. Unlike a visibly icy patch, black ice reflects almost no light and blends into ordinary pavement, which is why so many falls happen on stretches that pedestrians ② would never suspect. Orthopedic doctors report a sharp rise in wrist and hip injuries every winter, most of them ③ causing not by dramatic slips on icy hills but by a single unexpected step near a bus stop or a doorway. Walking with shorter, flatter steps and keeping the hands free rather than in pockets can ④ help a person regain balance quickly if a foot suddenly slides. Choosing shoes with textured rubber soles rather than smooth ones also makes a difference, since even a small increase in grip can ⑤ prevent a fall before it begins.

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 ① did. For someone with a severe allergy, even a trace amount of the wrong ingredient, transferred by a shared spoon or an unwashed hand, can ② triggers 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 ③ realizing 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 ④ to 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 ⑤ to arrive can cost a student the few minutes that make the difference between recovery and tragedy.

Stairs seem too ordinary ① to be dangerous, which is why many people treat them carelessly, texting, carrying an armful of books, or skipping two steps at a time. Emergency room records tell a different story: falls on stairways ② sends more people to the hospital each year than almost any other household accident. Familiarity encourages a kind of autopilot mode, in which a person stops ③ looking at each step and instead relies on memory of where the stairs should be, a habit that ④ fails the moment something unexpected occurs, such as a missing step or a loose railing. Safety officials recommend a few unglamorous habits: keep one hand free, use the handrail, and turn on the light before ⑤ stepping onto a dark staircase.

Part of the problem is that renting a scooter takes only a few taps on a phone screen, while finding and carrying a helmet requires ① planning that many riders simply skip. Emergency room doctors note that scooter-related head injuries have risen ② sharply in recent years, closely tracking the rise in scooter popularity itself. Unlike a bicycle, which typically requires balance skills built up over years of practice, an electric scooter can reach a ③ surprising speed within seconds, often faster than new riders expect from something that looks simple to operate. A fall at that speed, onto pavement rather than grass, can cause a head injury just as ④ severe as one from a bicycle or a small motorcycle. Cities that have begun requiring helmets for scooter rentals report a measurable ⑤ rise in serious injuries.

When someone's heart suddenly stops beating, the brain begins to suffer damage within minutes unless blood keeps circulating. Studies show that a person who receives CPR immediately from someone nearby is far more likely to survive than one who waits for professional help to arrive. Despite this, many people hesitate to start chest compressions, worried that they might break a rib or make the situation worse. Medical instructors respond to this fear: _______________. Modern CPR training has also been simplified, focusing on firm, rhythmic chest compressions rather than the more complicated combination of breaths and compressions once required.

One of the most overlooked risks is setting up a tent too close to a campfire, since a sudden gust of wind can carry a spark onto dry fabric faster than anyone expects. Food storage is another area where casual habits create danger: leaving snacks inside a tent can attract wildlife looking for food. Experienced campers also stress the importance of checking a weather forecast before leaving, since _______________. None of these precautions demand special equipment or skill; they simply require campers to treat the outdoors with the same caution they would show in any unfamiliar environment.

Role-playing these scenarios in advance helps children respond quickly under pressure, rather than freezing because the situation feels unfamiliar and confusing. Experts also emphasize that _______________, since hesitation caused by politeness can cost precious seconds in a genuine emergency.

Physical education class often feels like the one period of the day when students can finally move freely, which sometimes leads them to skip the warm-up routine that teachers insist on before any real activity begins. (A) Beyond warming up, wearing proper footwear matters more than most students realize; running in worn-out sneakers with little grip left on the sole significantly raises the chance of a twisted ankle. (B) Coaches often compare an unwarmed muscle to a cold rubber band that snaps rather than stretches under sudden pressure. (C) Cold muscles, however, are noticeably less flexible than warmed ones, and stretching a stiff hamstring or ankle too quickly can cause a strain that keeps a student off the field for weeks.

Ironically, it is often the shortest and most familiar stretch of the route that proves the most dangerous. For many students, the walk to school feels so routine that safety becomes an afterthought, yet a surprising number of accidents occur within a few blocks of the school gate. ( ① ) Part of the danger comes from convenience: students often cut across a busy street rather than walking the extra minute to the nearest crosswalk, assuming they can judge the traffic gap correctly. ( ② ) This shortcut becomes especially risky during the darker months, when a driver's ability to spot a pedestrian drops sharply well before sunrise or after sunset. ( ③ ) Wearing dark clothing during these hours can make a student almost invisible until a car is dangerously close. ( ④ ) Simple choices, such as using a marked crosswalk, waiting for the pedestrian signal, and adding something reflective to a backpack, cost only a few extra seconds each morning. ( ⑤ ) Traffic safety officials argue that these small habits, repeated daily, do more to prevent injury than any single safety campaign ever could.

Under such chaotic conditions, even a familiar hallway can suddenly feel like unknown territory. Every semester, students groan when the fire alarm rings for another routine drill, filing out of the building as if the exercise were simply a break from class. ( ① ) This casual attitude, however, overlooks why the drill exists in the first place. ( ② ) During an actual fire, thick smoke can fill hallways within minutes, cutting visibility to almost nothing and making it dangerously easy to panic or take a wrong turn. ( ③ ) Repeating the same evacuation route again and again trains the body to move automatically, even when the mind is too frightened to think clearly. ( ④ ) Firefighters note that students who have practiced an escape route calmly walk toward the nearest exit purely out of habit, while those unfamiliar with the building often freeze or hesitate at doorways. ( ⑤ ) A fire drill that feels pointless in the classroom can therefore become the very reason a real evacuation succeeds without injury.