固体电介质的击穿电压与气体、液体电介质相比（）。
A.要高
B.要低
C.完全相等
参考答案：A
-Where is Mike? He asked me to go out for a walk this evening
-Maybe he ________ TV in the living room now.
A. is watching
B. will watch
C. watched
D. watches
肾移植时禁用（）
A.异氟烷
B.芬太尼
C.氟烷
D.甲氧氟烷
E.恩氟烷
