水胀的病证表现有()。
A.颈脉动
B.咳
C.腹大,全身肿
D.阴股间寒
E.按其腹,窅而不起
参考答案:A, B, D, E
The witnesses ______ by the police just now gave very different descriptions of the fight.
A.being questioned
B.questioned
C.to be questioned
D.having questioned
在R=4KΩ,L=4H,C=1μF三个元件串连电路中,电路的暂态属于下列哪种类型()。
A.振荡
B.非振荡
C.临界振荡
D.不能确定