其他列车发生冲突、脱轨、火灾或爆炸在其他线路造成机车、车辆脱轨()辆(台)构成大事故。《事规》36页2.3.2条第二款2项
A、1
B、2
C、3
B、4
参考答案:D
(2012·福建,30)It is hard for the Greek government to get over the present difficulties ________ it gets more financial support from the European Union.
A.if
B.unless
C.because
D.since
通过内耳道的血管、神经是()
A.迷路动脉
B.中间神经
C.迷路静脉
D.面神经
E.听神经