线路两旁堆放货物有何规定?
参考答案:
线路两旁堆放货物,距钢轨头部外侧不得少于1.5m。站台上堆放货物,距站台边缘不得少于1m。货物应堆码稳固,防止倒塌。
— Where ___________ you last Sunday?
— I ___________ in New York.[ ]
A. was, was
B. were, were
C. were, was
扑救有毒气体火灾时要戴防毒面具,且要站在下风方向。