[衛(wèi)生法規(guī)]A 原位癌

原題:
[衛(wèi)生法規(guī)]A.原位癌

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正常成年人時(shí)間肺活量第l秒末的正常值應(yīng)為
A.63%
B.73%
C.83%
D.93%
E.98%
答案：
C