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问题 单项选择题

利用流动相中的离子能与固定相进行可逆的交换性质来分离离子型化合物的方法是（）

A.凝胶层析法

B.吸附层析法

C.分配层析法

D.层析法

E.离子交换层析法

答案

参考答案：E

单项选择题 B1型题

患者小便闭塞，点滴不通，病势较急，应诊断为（）。

A.尿浊

B.癃闭

C.闭证

D.淋证

E.关格
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单项选择题

Questions


·Look at the ten statements for this part.
·You will hear a story about communication through time.
·Decide whetheryou think each statement is right(R) wrong(W) or not mentioned(NM).
·You will listen to it twice.

In the U.S., a person who receives a dinner party invitation just the day before the party is usually pleased, because he has little time to worry about forgetting to attend.

A. Right

B. Wrong

C. Not Mentioned
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