家用电冰箱的绝缘电阻应在()MΩ以上。
A.2
B.0.5
C.1.5
D.1
参考答案:A
(2014·苏锡常镇四市调研)You know it’s love when all you want is that person to be happy,________you’re not part of their happiness.
A.even if
B.as if
C.if only
D.if ever
何为感应道交?