영어 모의고사 (자동 편성)

Science labs feel far safer than they actually are, largely because the equipment looks harmless and the experiments are carefully ①planned by a teacher. This false sense of security leads some students ②to skip small precautions, such as wearing safety goggles for a "simple" experiment or tasting a substance out of curiosity. Chemical reactions, however, do not distinguish between a professional laboratory and a classroom; a small amount of the wrong substance ③splashed into an eye can cause permanent damage within seconds, regardless of how basic the experiment seemed. Teachers repeatedly emphasize ④to read each instruction before touching any material, since even a familiar-looking chemical can behave unpredictably when combined with something new. Most laboratory accidents, researchers note, do not happen during advanced or unusual experiments but during routine ones that students ⑤have performed many times before.

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.

Air conditioners make summer days more comfortable, but ①using them incorrectly can harm your health. Doctors recommend keeping the difference between indoor and outdoor temperatures within five or six degrees, ②which helps your body adjust more easily. A larger gap forces your body ③to adjust constantly, which can weaken your immune system. This sudden change often ④lead to symptoms such as headaches and fatigue. It is also helpful ⑤to open a window for a few minutes every hour.

Every spring, our school holds an art exhibition in the main hallway, and this year I finally submitted a painting of my own. For weeks, I compared my work to my classmates' drawings and felt ①sure that mine was not good enough to hang beside theirs. My art teacher noticed my ②hesitation and said something I did not expect: an exhibition is not a contest to find the single best picture, but a chance to show how differently people see the same world. On the morning the paintings went up, I walked past dozens of styles, from careful realistic portraits to ③boring, colorful abstractions, and none of them looked like mine. Instead of feeling embarrassed, I found myself ④curious about why each artist had made certain choices. Standing in that crowded hallway, I finally understood that the exhibition's real purpose was not to rank the paintings, but to let students discover how many different perspectives could exist in a single ⑤shared space.

For many students, the walk to school feels so ①routine that safety becomes an afterthought, yet a surprising number of accidents occur within a few blocks of the school gate. 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 ②correctly. Wearing dark clothing during these hours can make a student almost ③invisible until a car is dangerously close. 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. Traffic safety officials argue that these small habits, repeated daily, do more to ④ignore injury than any single safety ⑤campaign ever could.

The Hillside Community Center is looking for student volunteers to help with its summer programs. ___________. This opportunity is open to all middle and high school students who can commit at least four hours per week during July and August, and no prior experience is necessary since training will be provided.

Walking down a crowded street while staring at a phone screen has become such a common sight that it barely draws attention anymore. Researchers describe this as a kind of tunnel vision: a person absorbed in a text message processes only a narrow slice of the surrounding environment. Hospitals have reported a steady rise in injuries linked to distracted walking, ranging from minor scrapes after tripping over a curb to serious collisions with moving vehicles at intersections. What makes this danger especially difficult to address is that _______________.

Our film club spent an entire semester making a five-minute short film, and I was startled to learn just how little of that time was actually spent filming. (A) By the time our short film premiered at the school festival, I understood that the visible five minutes represented only a small fraction of the invisible work that had shaped it. (B) We wrote and rewrote the script for nearly a month, then spent another two weeks drawing simple storyboards to plan every camera angle before a single scene was recorded. (C) Filming itself took only two Saturday afternoons, yet editing the footage afterward consumed nearly six additional weeks, as we combed through hours of raw clips to choose the handful of seconds that made it into the final version.

When someone's heart suddenly stops beating, the brain begins to 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. (A) 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. (B) Despite this, many people hesitate to start chest compressions, worried that they might break a rib or make the situation worse. (C) Medical instructors respond to this fear: a cracked rib heals, but a brain deprived of oxygen for too long does not.

In fact, choosing the right books for the right students takes far more thought than most people realize. Many students imagine a librarian simply sitting behind a desk and stamping books. ( ① ) Ms. Han, who has worked at a school library for over ten years, says that image is far from accurate. ( ② ) A large part of her job involves choosing which new books to buy, based on both student requests and current trends in youth literature. ( ③ ) She also spends hours training students to search databases and judge whether an online source is trustworthy, a skill she considers just as important as reading itself. ( ④ ) According to Ms. Han, the most rewarding moment is not organizing shelves but watching a student who once avoided reading finally ask for a second book in the same series. ( ⑤ ) She admits that budgets are often tight and that new technology keeps changing how libraries operate. Still, she insists that the core purpose of her job has never changed: connecting each reader with the right book at the right time.