罐区四周道路边及油泵房、装卸作业区等重要区域应设置（）火灾报警装置，其间距不宜大于（）m。
参考答案：手动、100
Almost all tornadoes ______ in the US, in the area from Texas in the southeast to South Dakata in
the north.[ ]
A. are occurred
B. occur
C. occurred
D. are occurring
专门委员会之间对于法律草案的重要问题意见不一致时，应当______。
A．向委员长报告
B．向委员长会议报告
C．提交委员长会议表决
D．提交全国人民代表大会表决
