The physicist has been challenged by others in his field. [ ] A．respectable B．respectful C．respective D．respecting 题目和参考答案——青夏教育精英家教网—

题目内容

The _________ physicist has been challenged by others in his field.

[　　]

A．respectable	B．respectful
C．respective	D．respecting

答案：A
提示：

respectable受人尊敬的(人)

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