题目内容

我国《生活饮用水卫生标准》( )规定总大肠菌群为

A. 10mg/m3
B. 200μg /m3
C. 500μg /m3
D. 0.30mg/m3
E. 3.0mg/m3

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我国强制性国家标准《生活饮用水卫生标准》( )中饮用水常规监测指标有

A. 微生物指标
B. 毒理指标
C. 感官性状和一般化学指标
D. 放射性指标
E. 物理学指标

Over 5,000 papers written by Tsinghua students were published in SCI journals in 2016. For over a hundred years, Tsinghua has 1) ______________ countless top engineers, scientists, writers, artists, and economists who have become the 2) ______________ in their respective fields and served as pillars in the development of China. Our alumni even include 3) ______________ of the nation.Tsinghua has successfully nurtured top technical directors in Silicon Valley,4) ______________ Internet start-up CEOs, a fiction writer 5) ______________ the Hugo Award, a documentary director 6) ______________ shooting on the world’s highestmountain top, leading creators of online manga and poetic composers who have 7) ______________ millions of people.

两个同频率正弦量的相位差等于它们的( )之差。

A. 初相角
B. 频率
C. 振幅

平托法搬运颈椎损伤者叙述错误的是

A. 三人或四人搬运
B. 搬运者分站病人两侧
C. 保持病人头部中立
D. 病人在平车上取仰卧位
E. 颈下垫小枕

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