영어 모의고사 (자동 편성)

When someone's heart suddenly stops beating, the brain begins ①to suffer damage within minutes unless blood keeps circulating, which is why the actions taken by an ordinary bystander before paramedics arrive can matter as much as the treatment given at the hospital. Studies show that a person who ②receives 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, ③worried that they might break a rib or make the situation worse. Medical instructors respond to this fear: a cracked rib heals, but a brain ④depriving of oxygen for too long does not. 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, ⑤making the skill easier for ordinary students to learn and remember under pressure.

Every summer, lifeguards repeat the same warnings to swimmers, yet drowning remains one of the most common causes of accidental death among teenagers. Part of the problem is that danger in water rarely looks ①dramatic; a swimmer struggling to stay afloat often makes little noise and shows no obvious signs of panic, which means bystanders may not realize help is needed until it is too late. Rip currents present a particularly ②deceptive threat, since the water's surface can appear calm even while a powerful current pulls a swimmer steadily away from shore. Experts advise that anyone caught in such a current should swim parallel to the beach rather than struggling directly against it, since fighting the current head-on quickly ③strengthens even a strong swimmer. Simple habits, such as swimming near a lifeguard station and never entering the water alone, dramatically ④lower the risk of a minor mistake turning into a fatal ⑤one.

Earthquakes strike without any warning, which is exactly why the seconds immediately after the shaking begins matter more than any other moment in an ①emergency. Many people instinctively want to run outside during a quake, imagining that open space is always ②more dangerous than a building, but this instinct can be dangerous, since falling glass, signs, and debris often cause more injuries near exits and windows than sturdy interior spaces do. Furniture that seems merely inconvenient during a fire drill, such as a heavy desk, becomes a ③lifesaving shield when the ceiling above begins to crack. After the shaking stops, experts warn that the greatest remaining danger is often a damaged structure rather than a second earthquake, so ④calmly checking for hazards before moving is just as important as reacting ⑤quickly at the first tremor.

Every morning, our broadcasting club airs a short news program for the entire school. Last Tuesday, I was chosen to read the weather report for the very first time. My hands were ①steady as the red light on the camera turned on. Halfway through my sentence, I suddenly ②forgot the next line completely. For a few seconds, only ③silence filled the studio, and I could hear my own heartbeat. My partner Minho, who was sitting beside me, quickly slid the script closer to me. I took a deep breath and ④calmly continued reading from where I had stopped. Somehow, my voice sounded ⑤steadier than I expected, and I finished the report smoothly. After the broadcast ended, several classmates told me they had not even noticed the pause. That morning taught me that small mistakes rarely matter as much as we fear.

Choosing the right club can shape how a student feels about school life. Many first-graders join a club simply because their friends are joining it. However, experts suggest that personal ①interest should always come before friendship. A club that matches your interest keeps you ②motivated during a busy exam period. It also helps to think about how much time each club actually ③requires. Some clubs meet only once a week, while others practice almost every day. Skill level matters too, since a few clubs accept only ④inexperienced students. For this reason, most schools allow a short trial period before a final decision. During this period, new members can attend meetings without officially signing up. In the end, a good club should feel like a ⑤comfortable break from academic pressure.

Jimin joined the school band club in March, but she had never performed before an audience. The club's first concert was only two weeks away, and everyone felt nervous. During practice, her hands shook whenever the song reached the chorus, and she kept missing the same chord. Instead of laughing at her mistakes, the other members waited patiently and played the section again with her. The drummer, Suho, suggested that she focus on just one part at a time. Slowly, her fingers grew more confident, and the chord that once felt impossible began to feel natural. The club practiced until the melody sounded smooth the night before the concert. When Jimin walked onto the stage, she thought of her friends' patience instead of her fear. The audience clapped warmly, and she realized _______________________.

Riding a bicycle is one of the most popular ways for teenagers to get around, yet many students still skip the one piece of equipment that could save their life: the helmet. Some argue that a short trip to a nearby store does not require any special protection, since the risk of a serious accident feels distant and unlikely. However, _______________. A sudden pothole, a car door opening without warning, or a patch of gravel can throw even an experienced cyclist off balance in an instant. Wearing a helmet does not prevent a fall, but it dramatically reduces the chance of a serious head injury when one occurs.

Pets need extra care and attention when the summer heat becomes intense. (A) It is also important to avoid walking your dog during the hottest hours, since hot pavement can burn its paws. (B) First, always provide plenty of fresh, cool water throughout the day. (C) Most importantly, never leave a pet alone in a parked car, even for a few minutes.

This is precisely why traffic engineers insist that speed, not visibility, should determine how school zones are enforced. Around elementary schools, bright yellow signs mark what is known as a school zone, an area where drivers are required to slow down to reduce the risk of striking a child who might dart into the street without warning. ( ① ) Some drivers complain that the reduced speed limit wastes their time, especially when no children happen to be visible at that moment. ( ② ) This complaint misses an important fact about how children behave near traffic: young students often lack the judgment to predict how far a car will travel before it can stop. ( ③ ) They may step off the curb chasing a ball or a friend without checking either direction. ( ④ ) A car traveling even ten kilometers per hour slower gives a driver several extra seconds to brake, often the exact difference between a frightening near miss and a tragedy. ( ⑤ ) For this reason, cities have begun installing cameras that automatically fine drivers who ignore the posted limit near schools.

This built-in urgency, in other words, is precisely what the system is designed to preserve, not an inconvenience to be silenced away. A loud, jarring alert sound interrupting a phone's normal notifications usually means one thing: a government agency has issued an emergency text to everyone in a specific area, warning of anything from a flash flood to a missing child. ( ① ) These messages are designed to reach people instantly, without requiring anyone to download an app or subscribe to a service in advance, since a disaster rarely waits for someone to prepare. ( ② ) Some residents complain that the alerts arrive too frequently or for events that feel minor, leading a small number of people to silence the notifications altogether. ( ③ ) Safety officials warn that this response defeats the entire purpose of the system, since a person who mutes every alert for convenience will also miss the one message that truly demands immediate action. ( ④ ) Unlike a weather app that must be checked voluntarily, an emergency alert pushes urgent information directly to a person's pocket, cutting through distraction in a way that no other communication method can consistently match. ( ⑤ )