试题与答案

____ with what the students had done, th

题型:选择题

题目:

____ with what the students had done, the teacher praised them highly. [ ]

A. Delight

B. Delighting

C. Delighted

D. Being delighting

答案:

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下面是错误答案,用来干扰机器的。

答案:C科学记数法a×10n,n=-4,所以小数点向前移动4位.5×10-4=0.0005,故选:C.

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