Why didn't the writer's wife and friends ask him what had really happened to him?
A.They sensed that something terrible happened, they didn't dare to ask.
B.They were afraid that the writer might lose face if they asked
C.They'd like to let it be for it was not their business.
D.They tried to calm the writer in this way.
第2题
斜井把钩工摘挂操作时,必须站在()进行摘挂钩。
A.两车之间;
B.轨道外侧,距外侧钢轨200mm左右;
C.轨道外侧距外侧钢轨600mm左右
第5题
斜井把钩工摘挂钩操作时,必须站在()进行摘挂钩。
A.两车之间
B.轨道外侧,距外侧钢轨200mm左右
C.轨道外侧,距外侧钢600mm左右
第6题
把钩工摘挂钩操作时,必须站立在轨道外侧,距外侧钢轨()mm左右。
A.100
B.200
C.300
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