A. Yes, there is plenty of evidence.
B. Of course, there is some evidence to show this is true.
C. There is hardly any scientific evidence to support this.
D. We don't know because the information is not given.
第7题
根据以下条件,回答 252~254 题:
A.交替脉
B.奇脉
C.脉短绌
D.水冲脉
E.重搏脉
第 252 题 心包积液()。
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