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【单选题】
麝香仁中呈不规则圆形或颗粒状物被称为A.
挂甲
B.
乌金衣
C.
当门子
D.
通天眼
E.
层纹
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【单选题】X射线衍射的方法是研究晶体微观结构的有效方法,其主要原因是由于下列的哪种?
A.
X射线的粒子不带电
B.
X射线的波长和晶体点阵面间距大致相当
C.
X射线可使物质电离而便于检测
D.
X射线的穿透能力强
【简答题】( )是文献最基本的形式,它可以泛指一切出版物。
【单选题】X射线衍射的方法是研究晶体微观结构的有效方法，其主要原因是由于下列的哪种？（）
A.
X射线的粒子不带电
B.
X射线可使物质电离而便于检测
C.
X射线的波长和晶体点阵面间距大致相当
D.
X射线的穿透能力强
【单选题】---Is this your dictionary? ---Yes. I ________ it for two weeks. (Which is NOT right?)
A.
have borrowed
B.
have had
C.
have kept
D.
have owned
【单选题】-Have you ________ been to Xiamen? -I have _____been to Xiamen [ ]
A.
ever, never
B.
never, ever
C.
ever; ever
D.
never, never
【单选题】George loves pop music very much but ________ classical music.
A.
pokes his nose into
B.
has a good nose for
C.
puts his nose in
D.
turns his nose up at
【简答题】A．The nose as an organ for breathing and smelling. B．The nose as a source for various expressions. C．The nose as an example of English idioms. D．The nose as an indication of different human feelings.
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