一个30Ω的电阻,两端电压为220V,欲测量该电阻中通过的电流,应选用量程为()A的电流表。
A.1
B.5
C.10
D.15
参考答案:C
--- Hi, Lucy, have you seen the newspaper on the table?
--- Oh, yes. I ____ it but I can’t remember where I put it.
A.read
B.would read
C.am reading
D.had read
小儿感冒出现夹惊的原因是()
A、脾常不足
B、肝常有余
C、肺脏娇嫩
D、神气怯弱
E、肾常虚