영어 모의고사 (자동 편성)

The immune system produces an almost limitless variety of antibodies, each ①shaped to latch onto one particular molecular target with remarkable specificity. Monoclonal antibody drugs harness this natural precision by cloning a single antibody-producing cell in the laboratory, ②generating an army of identical antibodies built to recognize one target, such as a protein on a cancer cell or a molecule driving an autoimmune disease. Because the antibody binds only to its intended target, these drugs tend to spare healthy tissue far more effectively than traditional chemotherapy, ③which attacks any rapidly dividing cell regardless of whether it is cancerous. Manufacturing monoclonal antibodies remains far more complicated than producing a conventional small-molecule pill, since living cells must ④cultivating in carefully controlled bioreactors for weeks before the antibody can be purified and prepared for use. This complexity keeps monoclonal antibody treatments considerably more expensive than most conventional drugs, a cost that continues ⑤to shape debates over pricing and access.

Conventional industrial zones typically operate as isolated facilities, each ①purchasing raw materials independently and disposing of waste without regard for neighboring plants, even when one factory's discarded byproduct could serve as valuable input for another. An eco-industrial park reorganizes this arrangement by ②clustering diverse companies within a single area and encouraging them to exchange materials, energy, and water through a practice known as industrial symbiosis. A power plant's surplus heat, for example, might be piped to a nearby greenhouse, while a food processing facility's organic waste could be ③converted into biogas that ④power another factory's equipment. Such exchanges require companies to coordinate schedules and share information they might otherwise regard as proprietary, a level of cooperation rarely achieved without deliberate institutional support. Local governments therefore often play a coordinating role, mapping which industries could exchange resources and providing incentives for companies ⑤willing to participate.

Audiobooks have grown rapidly in popularity over the past several years, and many commuters now listen to novels instead of reading printed pages. Publishers report that audiobook sales continue to rise every year, while the growth of printed book sales has ①slowed. Part of the appeal is ②convenience, since listeners can enjoy a story while driving, exercising, or doing housework. Some traditional readers argue that listening to a book is not the same as truly reading it, because the listener does not process written words directly. Researchers who study this question have found that comprehension scores for listeners and readers are usually very ③similar, as long as the material is not too complex. The biggest difference tends to appear with ④dense, technical material, which is often easier to follow in print because readers can pause and reread difficult sentences at will. For most everyday reading, however, the debate over audiobooks may matter less than simply finding a format that keeps people ⑤disengaged with stories.

A small bakery once sold a basic loaf of bread for three dollars and a premium loaf for six dollars, and most customers, uncertain about the added value of the pricier option, simply bought the ①cheaper one. The owner then introduced a third option: a slightly larger premium loaf priced at seven dollars, one that was clearly ②inferior to the six-dollar loaf in terms of value for money. Almost nobody chose the new seven-dollar loaf, yet sales of the six-dollar loaf ③fell sharply, because it now appeared to be an obvious bargain when placed beside the inferior newcomer. This pattern, confirmed across countless pricing experiments in other markets, demonstrates that people ④rarely judge options in isolation; instead, they evaluate choices relative to whatever alternatives happen to be nearby. Businesses have since learned to design such decoys deliberately, not expecting them to be purchased at all, but hoping they will make a specific target option look far more ⑤attractive by comparison.

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. 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. Repeating the same evacuation route again and again trains the body to move automatically, even when the mind is too frightened to think clearly. Firefighters note that _______________. A fire drill that feels pointless in the classroom can therefore become the very reason a real evacuation succeeds without injury.

For my birthday, my older sister took me to a small pottery studio where visitors can shape their own bowl or cup on a spinning wheel. (A) My first attempt collapsed into a shapeless lump within seconds, because I had not realized how much steady, centered pressure the clay actually requires before it can be shaped at all. (B) After nearly a dozen failed attempts, I finally produced a lopsided but recognizable cup, and the small imperfection along its rim somehow made me prouder of it than a perfectly smooth, machine-made mug ever could have. (C) I expected the wheel to do most of the difficult work automatically, since it was already spinning quickly by the time I sat down.

Individuals rarely evaluate their own lives in isolation; instead, they measure their achievements, possessions, and status against a reference group, a set of people they use as a standard for comparison. (C) Robert Merton showed that soldiers who compared their promotion chances to peers within their own slow-moving unit often felt more satisfied than soldiers in units with faster promotion rates. (A) Sociologists distinguish between normative reference groups, which shape a person's values and behavior, and comparative reference groups, which merely provide a benchmark for self-assessment. (B) This counterintuitive finding demonstrates that satisfaction depends less on objective circumstances than on the group against which those circumstances are measured.

This year, more than three hundred students signed up within the first week. Every July, our school library launches a summer reading challenge that invites students to read at least five books before classes begin again in September. ( ① ) Students who complete the challenge receive a small prize, but many say the real reward is something else entirely. ( ② ) Without daily homework and tests to worry about, summer gives students rare freedom to choose books purely because they sound interesting, not because a teacher assigned them. ( ③ ) Librarians notice that students often pick more unusual genres during the challenge, including graphic novels, poetry, and nonfiction about hobbies they enjoy. ( ④ ) This freedom seems to matter more than the prize itself, since students who only cared about winning tend to quit once the reading feels difficult, while curious readers keep going. ( ⑤ ) Teachers who track student progress after summer report that challenge participants often return in September with noticeably stronger reading habits than classmates who read nothing over the break.

This eagerness to get moving is understandable, but it can come at a real physical cost. 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. ( ① ) 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 rather than minutes. ( ② ) Coaches often compare an unwarmed muscle to a cold rubber band that snaps rather than stretches under sudden pressure. ( ③ ) 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 on a gym floor or an outdoor field. ( ④ ) Reporting a minor pain immediately, rather than pushing through it to finish a game, also prevents a small issue from becoming a repeated injury that lingers for an entire season. ( ⑤ )

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.