在制定生理指标的95％参考值范围时，下面的说法错误的是（） A._爱下问搜题

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问题单项选择题 A1型题

在制定生理指标的95％参考值范围时，下面的说法错误的是（）

A.正态分布资料应首选公式：±1.96s

B.偏态资料，公式：±1.96s同样适用

C.理论上，不论资料属何种分布类型，都可用百分位数法制定参考值范围

D.参考值范围又称正常值范围，它能为医学上区别"正常"与"异常"提供依据

E.对于指标过高为异常的资料，应计算其单侧上限P95

答案

参考答案：B

完形填空

完形填空。

    The Olympic Games began in Olympia, a small town in   1   many years ago. The modern Olympic
Games   2   in 1896 to promote (促进) international understanding through   3  . Nine nations   4   the
Games. In 1936, a black American runner   5   four gold medals in Germany.

( )1. A. Greece
( )2. A. held
( )3. A. singers
( )4. A. joined
( )5. A. have won

B. Germany
B. was held
B. players
B. took part
B. wins

C. France
C. hold
C. dancers
C. took part in
C. had won

D. Australia
D. were held
D. politicians (政治家)
D. have joined in
D. won

判断题

广播的短处在于线性传播、选择性差，转瞬即逝，保留性较差（）