旅客列车运行途中轴温报警装置显示的轴温达到外温加()℃、但未达到90℃时,应通知机车乘务员至就近前方站停车。
A.45
B.50
C.60
D.65
参考答案:C
I have been teaching for over twenty years, but never _____ a girl as bright as Lily.
A.I have met
B.I had met
C.have I met
D.had I met
董卓入洛阳后,谁逃至陈留聚兵反抗,成为关东联军的一支?