《煤矿安全规程》关于维修倾斜井巷时的规定?
参考答案:
维修倾斜井巷时,应停止行车;需要通车作业时,必须制定行车安全措施。严禁上、下段同时作业。
运动员百米赛跑途中突然闻及左膝撕裂声,然后倒地,查体左膝不能主动伸,X线片显示髌骨中段折断,考虑造成骨折的原因是
A.直接暴力
B.间接暴力
C.病理性骨折
D.肌肉拉力
E.积累性劳损
268. Yesterday one of my classmates sent me an invitation to take part in an English evening, but I _____ for the reason that I caught a bad cold.
A.refused
B.accepted
C.received
D.Took