So far scientists have only acquired______understanding of the physical processes that cau

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So far scientists have only acquired______understanding of the physical processes that cause earthquakes.

A.a partial

B.a changeable

C.an original

D.an individual

参考答案:

A解析:句意:目前,关于地震起因的自然过程,科学家的了解仍不全面。本题考查词义辨析。A项意为“不完全的,部分的”;B项意为“多变的”;C项意为“起初的,最早的”;D项意为“个人的,单独的”。根据句意可知A项在此最合适。