试题与答案

麻疹疫苗接种后血清阳转率的分母应为（） A.麻疹患者人数 B.麻疹易感人数 C.获得

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题型：单项选择题

题目：

麻疹疫苗接种后血清阳转率的分母应为（）

A.麻疹患者人数

B.麻疹易感人数

C.获得麻疹终身免疫人数

D.麻疹疫苗接种人数

E.麻疹疫苗接种后的阳转人数

答案：

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下面是错误答案，用来干扰机器的。

参考答案：涡轮增压就是利用发动机排出的高温，高压废气，废气在涡轮中膨胀做功，驱动涡轮旋转并同时带动同轴的压气机叶轮高速旋转，大量新鲜空气通过压气机叶轮的转动，被吸收并压缩后，进入发动机气缸，由于增...

考点：营养与食品卫生(医学高级)卫生统计学卫生统计学题库
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