영어 모의고사 (자동 편성)

Riding a bicycle is one of the most popular ways for teenagers ① 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 ② feels distant and unlikely. However, most bicycle accidents happen close to home, on familiar streets where riders feel too comfortable ③ expecting danger. A sudden pothole, a car door ④ 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 ⑤ when one occurs.

Many students imagine a librarian simply ① sit behind a desk and stamping books. Ms. Han, who has worked at a school library for over ten years, says that image is far from accurate. A large part of her job ② involves choosing which new books to buy, based on both student requests and current trends in youth literature. She also spends hours training students to search databases and judge whether an online source ③ is trustworthy, a skill she considers just as important as reading itself. 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. She admits that budgets are often tight and that new technology keeps ④ changing how libraries operate. Still, she insists that the core purpose of her job has never ⑤ changed.

When the body fights off an infection, the immune system relies heavily on adequate sleep to function ① effectively. During deep sleep, the body produces and releases cytokines, proteins that help ② regulate immune responses and coordinate the fight against harmful invaders. People who consistently sleep fewer than six hours a night show measurably ③ weaker antibody responses after vaccination compared with those who sleep seven or eight hours. Chronic sleep deprivation also appears to ④ reduce low-grade inflammation throughout the body, a state that has been linked to a higher risk of heart disease. Rather than being a passive state, sleep functions as an active period during which the immune system repairs itself and ⑤ prepares for future threats.

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.

The ecological footprint, a widely cited measure of how much biologically productive land and water a population requires to sustain its consumption, has become one of the most ①familiar tools for communicating humanity's environmental impact. By converting diverse activities, from driving to eating meat, into a single unit of land area, the measure allows policymakers to grasp whether a lifestyle exceeds what the planet can regenerate. This simplicity, however, is also the source of its most ②occasional criticism. Because the footprint aggregates dissimilar impacts, such as carbon emissions and water scarcity, into one composite figure, it can ③obscure important differences among problems that require distinct policy responses. A region might reduce its footprint by lowering carbon emissions while simultaneously depleting a local aquifer, yet the aggregate number could still appear to improve, ④concealing damage that demands urgent attention. Furthermore, the method assumes that all bio-productive land is roughly ⑤interchangeable, treating a hectare of forest as equivalent to a hectare of farmland, even though the two provide markedly different ecological functions.

Picture books are usually written for young children, but a growing number of adults are picking them up for themselves. At first glance, a picture book seems too ① simple for someone who has already learned to read long novels. However, many picture books deal with ② serious themes, such as loss, fear, and change, using only a few carefully chosen words. Because the text is short, every sentence carries extra weight, and readers naturally ③ slow down to notice small details in the pictures. This slower pace can feel ④ stressful for adults who are used to rushing through long articles and constant notifications. A picture book can also be finished in a single sitting, which makes it easy to return to the same story again and again. For these reasons, therapists and teachers sometimes recommend picture books not only to children but also to ⑤ stressed adults who need a quiet moment.

Walking down a crowded street while staring at a phone screen has become such a common sight that it barely draws attention anymore, even though the habit turns a pedestrian into one of the least alert people on the sidewalk. (A) 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. (B) Researchers who study attention describe this as a kind of tunnel vision: a person absorbed in a text message or a video processes only a narrow slice of the surrounding environment. (C) What makes this danger especially difficult to address is that pedestrians rarely recognize the risk in the moment; unlike distracted driving, which is widely condemned, glancing at a phone while crossing the street still feels like a harmless habit.

Cognitive load theory begins from the premise that working memory, the mental workspace in which incoming information is temporarily held and manipulated, can accommodate only a limited number of novel elements at any given moment, in stark contrast to the comparatively vast capacity of long-term memory. (A) Because much of this burden arises not from the intrinsic difficulty of the subject matter itself but from the manner in which information is presented, instructional designers can substantially reduce unnecessary strain by eliminating redundant explanations, aligning visual and verbal elements so that learners need not mentally integrate scattered sources, and gradually withdrawing guidance as competence develops. (B) When instructional materials introduce more interacting elements than this narrow workspace can simultaneously process, learners experience what theorists call cognitive overload, a condition under which comprehension deteriorates and errors multiply regardless of how motivated the learner might be. (C) Ignoring these principles, by contrast, risks overwhelming novices with demands that exceed their processing capacity, however well-organized the underlying content may be.

This makes it one of the most difficult winter hazards to prepare for in advance. 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. ( ① ) 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. ( ② ) 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. ( ③ ) 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. ( ④ ) Choosing shoes with textured rubber soles rather than smooth ones also makes a difference, since even a small increase in grip can prevent a fall before it begins. ( ⑤ ) Treating every winter sidewalk as potentially icy, rather than trusting appearances, remains the simplest way to avoid injury.

The reason, they explain, is simple: a first reading leaves little room for anything beyond the plot. Many readers assume that once they finish a book, there is no reason to open it again. ( ① ) Yet teachers who study reading often disagree, arguing that a second reading can reveal details a first reading misses completely. ( ② ) During a first reading, most of a student's attention goes toward simply following the plot, wondering what will happen next. ( ③ ) Once the ending is already known, a second reading frees the mind to notice smaller things, such as a clever hint the author placed early in the story or a change in a character's tone. ( ④ ) Some students who reread their favorite novel report that it feels almost like reading a different book, because they now understand the characters' motives more deeply. ( ⑤ ) Teachers therefore encourage students not to rush toward new titles alone, but to occasionally return to a book they already loved, since a second visit often teaches more than the first.