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【单选题】
《中国药典》的“鉴别”项系指A.
测定药材主成分的含量
B.
测定药材水溶性物质的含量
C.
检定药材真实性的方法
D.
药材的纯度测定
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举一反三
【单选题】听力原文：What does Audrey do for a living? (A) She's reading a mystery book. (B) She likes to play golf. (C) I believe she's a teacher. (15)
A.
B.
【单选题】______ she was living in Paris that she met her husband Terry.
A.
Just then
B.
It was while
C.
Soon after
D.
During the time when
【单选题】内照射个人剂量监测检验方法分生物检验与体外直接测量两类。关于生物检验说法错误的是()。
A.
尿的测量可以说明已进入血液循环的放射性核素的情况
B.
只要知道代谢参数(或排除规律)就能由排泄物中放射性核素的活度计算出摄入量
C.
对各种辐射的放射性核素均可适用
D.
受体表污染的影响
【单选题】某经纬仪观测竖直角度盘(顺时针注记)读数78 ̊52'00",则竖直角是( )。
A.
12˚52'00"
B.
78˚52'00"
C.
12˚08'00"
D.
11˚08'00"
【单选题】—Please go and say hello to your aunt．She’s in the living room now． —She has arrived! But when ______ she ______?
A.
will; arrive
B.
did; arrive
C.
had; arrived
D.
has; arrived
【单选题】-Is your sister at home, Dennis? -No, she isn't. I think she _ _ the piano in Anna's living room. [ ]
A.
can play
B.
could be playing
C.
had played
D.
plays
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