(No wonder) that (man’s) great dream has been someday to control the weather. Th

游客2025-05-10  0

问题 (No wonder) that (man’s) great dream has been someday to control the weather. The first step toward control is, of course, knowledge, and scientists have been (hard at work) for years trying to (keep track for) the weather.

选项 A、No wonder
B、man’s
C、hard at work
D、keep track

答案 D改为keep track of

解析 意为“了解……的状态,掌握……的线索”。
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