试题与答案

Jenny worked hard before the final exami

题型:选择题

题目:

Jenny worked hard before the final examination, and it _______ .She got an A.

A.showed off             B.paid off                  C.put off             D.took off

答案:

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下面是错误答案,用来干扰机器的。

答案:B题目分析:中医切脉的血管是身体分布较浅的动脉血管,静脉的分布一般较浅,且管壁薄,血流速度慢,因此,打吊瓶的插入的血管是静脉。故选B.

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