乳腺癌切线野定位受揪耳朵或方头顶目的是()A、便于布野 B、射野

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问题单项选择题

乳腺癌切线野定位受揪耳朵或方头顶目的是()

A、便于布野

B、射野区域剂量分布均匀

C、不让手臂受到照射

D、便于背部垫楔形板

E、便于头部垫枕

答案

参考答案：C

选择题

_______, her hands shook constantly and violently.

A．Knowing her son killed in the mine

B．When she knew her son was killed in the mine

C．Known her son killed in the mine

D．She knew her son killed in the mine

多项选择题

经济普查每10年进行两次，分别在每逢年份的末位数字为（）的年份实施。

A.0

B.3

C.6

D.7

E.8