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  3. Crew chiefs supervised engines, switches and lights that told them how each item

Crew chiefs supervised engines, switches and lights that told them how each item

游客2023-12-31  6
问题 Crew chiefs supervised engines, switches and lights that told them how each item of equipment was functioning.
选项 A、observed
B、preserved
C、monitored
D、nurtured
答案 C
解析 本题中，supervise的意思是“监督，管理，指导”。四个选项中，monitor的意思是“监控”，如：a television wave form monitor(电视波形监视器。)observe的意思是“观察，遵守”；preserve的意思是“保护，保持”；nurture的意思是“养育，教养”。只有C符合题意。
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