硅晶体半导体探测器主要用于测量（）的相对剂量。 A.高能X（γ

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问题单项选择题

硅晶体半导体探测器主要用于测量（）的相对剂量。

A.高能X（γ）射线与低能X射线

B.高能X（γ）射线与电子束

C.低能X射线与电子束

D.高能X射线

E.低能X射线

答案

参考答案：B

单项选择题

Ellis Haizlip began his stage career in Washington D. C. , ______ supervised the Howard University Players during their summer season.

A. he was
B. where he was
C. which he
D.where he

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铁路货车重点故障中空气制动故障除各风缸、阀以外的故障是哪些内容？