题海让大学四年没有难题
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单选题 ______ thunderstorms generally form in a warm, moist airmass and are associated with or scattered over a large area

A. Frontal

B. Convection

C. Airmass

D. Cumulus

学科:飞行英语阅读(混合式)

时间:2024-12-29 13:21:49

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