题目内容
15、William Beebe, one of the first men ________ the depth of the sea in a bathysphere, got interested in oceanography because of one book.
A. exploring B. having exploring C. to be exploring D. to explore
试题答案
15、D
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题目内容
15、William Beebe, one of the first men ________ the depth of the sea in a bathysphere, got interested in oceanography because of one book.
A. exploring B. having exploring C. to be exploring D. to explore
试题答案
15、D