把阻值为100欧的电熨斗接在220伏的电源上,工作时通过它的电流是______安.
由欧姆定律公式得I=UR=220V100Ω=2.2A.
故答案为:2.2.
It is _____ you deal with difficulties that shows _____ you are really like.
A.what; what
B.how; that
C.which; how
D.how; what
咳嗽上气痰浊壅肺证宜选用()
A.泽漆汤
B.葶苈大枣泻肺汤
C.射干麻黄汤
D.十枣汤
E.皂荚丸