常用于描述期前收缩心电图特点的术语有()
A.多源性期前收缩
B.代偿间歇
C.联律间期
D.单源性期前收缩
E.频发性期前收缩
参考答案:A, B, C, D, E
---- Do you think it will snow tomorrow?
---- ____.
A.No, I don’t think
B.I don’t think
C.No, I don’t so
D.I don’t think so
[化学鉴别题]