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【单选题】
20下列哪种药物不是脱水利尿剂A.
20%甘露醇
B.
利尿酸钠
C.
速尿
D.
11.2%乳酸钠
E.
尿素
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举一反三
【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 射线可使物质电离而便于检测
B.
X 射线的粒子不带电
C.
X 射线的穿透能力强
D.
X 射线的波长和晶体点阵面间距大致相当
【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】The nose is used in many popular expressions. Some people are able to lead other people by the nose. For example, if a wife leads her husband by the nose, she makes him do whatever she wants him to do...
【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】-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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