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어법 정확성 파악

City researchers ① have installed small sensors on young street trees to measure soil moisture. Each sensor ② send a reading every thirty minutes, allowing the team ③ to compare shaded and sunny locations. The data, which ④ are reviewed together with weather records, help gardeners decide when watering is necessary. Trees planted beside dark pavement often lose water faster than those ⑤ surrounded by grass. The project does not replace human observation; it makes limited inspection time more useful.

A student who studies a new piano sequence before sleep may perform it more smoothly the next day. The improvement is not simply the result of tired muscles ① recovering. During sleep, patterns of neural activity associated with the practice ② are replayed, and connections among them become more stable. What the learner practiced ③ remain open to revision, however; an error repeated many times can also be strengthened. For this reason, careful practice before rest is often more useful than ④ rushing through a final session. Sleep supports the material ⑤ provided to it; it does not judge whether that material is correct.

The town library now lends sewing machines, hand drills, and other repaired tools. A label attached to each object ① describes its earlier damage and the volunteer who fixed it. Borrowers are asked ② to report new problems instead of hiding them. This record of failure and repair ③ help the next user understand the tool’s limits. The objects are not displayed as perfect products; they are resources ④ kept useful through shared care. By making repair histories visible, the library encourages a culture in which maintenance ⑤ is treated as knowledge rather than embarrassment.

Young shorebirds often migrate without following their parents. They possess a rough inherited direction, but local conditions ① require adjustment. A bird encountering a strong coastal wind may choose a route that ② keeps it closer to land. Individuals ③ flying at different heights also experience different air currents. Information gained during the first journey ④ are stored and can improve later trips. Thus, migration is neither a completely fixed program nor a skill ⑤ learned only by imitation; it combines inherited guidance with experience.

Students in an architecture class post an early sketch before developing a final model. Each student receives comments from two peers whose projects ① differ in scale and purpose. The instructor asks reviewers to identify one choice that works and one question that ② remains unresolved. Feedback given at this stage ③ allows the designer to test alternatives while change is still inexpensive. A polished model, by contrast, can make its creator ④ feel too committed to revise it. The value of early criticism lies not in making every design identical but in helping assumptions ⑤ becomes visible.