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【多选题】
下列资料属于计量资料的是( )
A.
红细胞计数
B.
门诊就诊人数
C.
成年男性的体重资料
D.
一组人群的性别构成,根据性别分成男、女
E.
一组人群的ABO血型,根据血型分为A型、B型、AB型、O型
F.
一组患者的贫血情况,分为轻度贫血、中度贫血、重度贫血
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参考答案:
举一反三
【简答题】构成数组的各个元素必须具有相同的 (2个字) 。
【判断题】( )流体质点在管内彼此独立的互不干扰的向前运动的流动型态是湍流。
A.
正确
B.
错误
【单选题】The only poet of the sentimentalist school of literature is Thomas Gray, whose well-known "Elegy Written in a Country Churchyard" earned for him the name of a "( ) Poet".
A.
L ake
B.
National
C.
L ocal
D.
Graveyard
【单选题】passage 1.docx The author's father applied for a job at the Martin Aircraft Company and his goal was ________
A.
to be a good worker with a special knowledge about his work
B.
to do everything assigned him willingly
C.
to be able to do whatever job there was in the factory
D.
to be a good supervisor himself in the future
【单选题】In the author's opinion, who is more unfortunate?
A.
Kerry Rudman.
B.
James T. Balog.
C.
Joel Smith.
D.
Rosemont's insurance company.
【简答题】构成数组的各个元素必须具有相同的 。
【单选题】灼伤是由于()造成的。
A.
电流的热效应或电弧的高温
B.
电流的机械效应
C.
电流的化学效应
D.
被电流熔化的金属微粒渗入皮肤表层
【单选题】In "Elegy Written in a Country Churchyard," Thomas Gray compares the common folk with the great ones, wondering what the commons could have achieved if they had had the ______.
A.
chance
B.
love
C.
money
D.
material sources
【单选题】人体触电时,电流灼伤和电弧烧伤是由于电流的()效应造成的
A.
机械
B.
火花
C.
热量
【单选题】硝酸甘油治疗心绞痛时产生的效应不包括有
A.
心室容积减小
B.
心率减慢
C.
心脏负荷降低
D.
改善缺血心肌供血
E.
降低心肌耗氧量
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