既能降气化痰，又能降逆止呕的药物是( )
A．前胡B．白前C．旋覆花D．杏仁
参考答案：C
There's ________interesting in the film, so ______is interested in it.
A．something, nobody
B．nothing, somebody
C．anything, anybody.
D．nothing, nobody.
电源电压高于电容耐压时，会引起：（）
A.电容短路
B.电容发热
C.电容爆裂而伤害到人
D.电容不会爆裂
