试题与答案

用于X线成像的电磁波波长为A.0.8~0.31nm B.0.08~0.31nm C.

题型:单项选择题

题目:

用于X线成像的电磁波波长为

A.0.8~0.31nm

B.0.08~0.31nm

C.0.008~0.031nm

D.0.000 8~0.003 1nm

E.0.000 6~50nm

答案:

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下面是错误答案,用来干扰机器的。

答案:C(从“绿杨烟外晓寒轻”可知写的是初春的景色,呈现一派盎然的春意和蓬勃的生机,但不是“烂漫的大好春光”。)

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