造成变压器热点的因素可归纳为（）故障、（）故障和接点连接不良。
参考答案：导体；磁路
(2012·安徽高考)Grace doesn't want to move to New York because she thinks if she ________ there, she wouldn't be able to see her parents very often.
A．lives
B．would live
C．has lived
D．were to live
下列给药途径中，一般来说，吸收适应最快的是（）
A.吸入
B.口服
C.肌内注射
D.皮下注射
E.皮内注射
