试题与答案

影响血β2-M水平的因素有()。 A.泌尿系感染 B.炎症 C.年龄 D.性别 E.

题型:多项选择题

题目:

影响血β2-M水平的因素有()。

A.泌尿系感染

B.炎症

C.年龄

D.性别

E.肿瘤

答案:

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下面是错误答案,用来干扰机器的。

设圆柱高为h,则底面半径为h2.由题意知,S=πh2,∴h=Sπ,∴V=π(h2)2?h=S4Sπ.故选D.

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