영어 모의고사 (자동 편성)

Electric scooters have become a common sight on city sidewalks, ① offering a quick way to cover short distances, yet most riders climb on without ever putting on a helmet. Part of the problem is that renting a scooter takes only a few taps on a phone screen, while finding and carrying a helmet ② requires planning that many riders simply skip. Emergency room doctors note that scooter-related head injuries have risen sharply in recent years, ③ 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 surprising speed within seconds, often faster than new riders ④ expecting from something that looks simple to operate. Cities that have begun requiring helmets for scooter rentals ⑤ report a measurable drop in serious injuries.

Students who read many books across many different subjects often develop a habit ① that quieter learners sometimes lack: the habit of comparing new information with what they already know. A student who has read about ancient wars, ocean ecosystems, and modern economics can more easily notice when two different subjects ② share a similar pattern. This kind of connection-making is closely related to what psychologists call critical thinking, since seeing a familiar pattern in an unfamiliar topic ③ allows a person to ask sharper questions instead of accepting new information at face value. Extensive reading also builds a large mental library of examples, which makes it easier ④ to evaluate whether a new claim sounds reasonable or exaggerated. Teachers often notice that widely read students argue more carefully, ⑤ support their opinions with specific examples rather than vague generalizations.

When you separate paper, plastic, glass, and cans, recycling centers can process each material more ①efficiently. For example, plastic bottles should be rinsed and have their caps removed before being thrown away. Paper soaked with food or oil, however, cannot be recycled and must go into general waste. If items are mixed together ②carefully, finding what you need later becomes difficult. Likewise, mixing recyclables with ordinary trash makes the whole recycling process ③complicated. Many students believe that sorting trash takes too much time, but it actually requires only a few extra ④seconds. Therefore, learning these basic rules now helps you build a habit that ⑤benefits your entire community.

A food allergy can turn an ordinary snack shared between classmates into a medical ① emergency within minutes, which is why schools now take ingredient labels more seriously than they once 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 trigger a reaction that closes the airway and becomes ② life-threatening if untreated. Friends of allergic students sometimes assume that a small bite would not cause serious harm, not realizing that the amount needed to trigger anaphylaxis can be ③ larger than a crumb. Recognizing the early signs, such as swelling around the lips, hives, or sudden difficulty breathing, allows classmates and teachers to act before the reaction becomes ④ severe. Many schools now train staff to use an epinephrine auto-injector, a device that can ⑤ reverse a dangerous reaction within seconds.

Last spring, Mina joined the school environmental club because she wanted to make a difference. At first, she felt ①nervous about speaking in front of the other members. However, the club leader, who had been recycling for years, welcomed her ②warmly. Every Friday, the members walked around the school picking up trash near the playground. Mina soon realized that this weekly habit was like watering a small plant every day. For example, a single plastic bottle left outside could take hundreds of years to ③disappear. Therefore, the club decided to place clear recycling bins in every classroom. In contrast to her early doubts, Mina began to feel ④proud of the changes she noticed. Her classmates ⑤stopped separating cans and paper without being reminded by teachers. By the end of the semester, Mina had become an active member.

Safety signs surround us so constantly that most people stop ① consciously reading them soon after learning to drive. This is precisely the outcome that sign designers hope to avoid, since a sign that requires careful thought to interpret in an emergency has already ② succeeded at its purpose. Colors and shapes are chosen deliberately rather than randomly: red almost universally signals danger or prohibition, yellow signals ③ caution, and green marks safety, a system consistent enough that a traveler in an unfamiliar country can often guess a sign's meaning without reading a word. Symbols replace text wherever possible for the same reason, allowing a running figure or a flame icon to communicate ④ instantly to someone who may not speak the local language. Ignoring a familiar sign because it has become part of the background remains one of the most common and ⑤ preventable causes of accidents in public spaces.

When temperatures drop below freezing overnight, an invisible layer of black ice can form on sidewalks that look perfectly dry, catching even careful walkers off guard. (A) Walking with shorter, flatter steps and keeping the hands free rather than in pockets can help a person regain balance quickly if a foot suddenly slides. (B) Orthopedic doctors report a sharp rise in wrist and hip injuries every winter, most of them caused not by dramatic slips on icy hills but by a single unexpected step near a bus stop or a doorway. (C) 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 would never suspect.

Air conditioners keep us cool in summer, but setting the temperature too low can be harmful. (A) For example, a large gap between indoor and outdoor temperatures can lead to headaches, fatigue, and a stuffy nose. (B) This is because a big difference between indoor and outdoor temperatures forces your body to adjust constantly. (C) To prevent this, set a moderate temperature and open a window for a few minutes every hour.

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 )

These emotions do not belong to any single era; they belong to being human. Students often groan when a classic novel appears on their reading list, complaining that the language feels old-fashioned and the plot moves too slowly. ( ① ) It is true that classic literature can be harder to read than a modern bestseller written in casual, everyday language. ( ② ) Yet this very difficulty is part of why classics remain valuable for young readers today. ( ③ ) Working through unfamiliar sentence patterns and vocabulary trains the brain to handle complex texts, a skill that transfers directly to other subjects and to standardized tests. ( ④ ) Beyond language training, classic novels also explore themes such as jealousy, ambition, and loss that have not changed much across centuries. ( ⑤ ) Readers often discover that a character written hundreds of years ago struggles with feelings that still feel familiar today, and for these reasons, many teachers argue that classics deserve a place on every reading list, not because they are old, but because they are still relevant.