正弦电流通过电容元件时,电流应为()。
A.jωCUm
B.
C.-jωCUm
D.-
参考答案:B
My parents had ________ me to be aware of the advantage we had been afforded and the responsibility it brought to us.
A.argued
B.shared
C.raised
D.quarreled
阻塞性黄疸的实验室检查,下列哪项异常()
A.出血时间延长
B.凝血时间延长
C.凝血酶原时间延长
D.血小板聚集试验对高浓度ADP不凝集
E.3P试验阳性