题目

下面图画记录了中国消防博物馆．古代厅﹣徽派防火墙近现代厅﹣灭火器防火防灾体验馆常见的防火安全标志火灾时，穿过浓烟请结合图画回答问题． （1） 古代厅．与中华民族五千年文明相比，人类用火、防火的历史则更为久远．依据灭火原理，徽派防火墙（又叫马头墙，能阻止火灾蔓延）的主要作用是． （2） 近现代厅．明国时期，化学灭火剂由外埠引入使用，消防工业兴起并逐步兴盛．①气体灭火剂﹣七氟丙烷化学式为CF3CFHCF3 ， 所 选择合适的句子补全对话，填序号。 A. What do we have on Thursdays?B. What's your name?C. Nice to meet you, too.D. Who is that young man?E. What day is it today?A: 1______________________________B: My name is Mike.A: Nice to meet you.B: 2______________________________A: 3______________________________B: It's Thursday.A: 4______________________________B: We have Chinese, P. E. and computer.A: 5______________________________B: Our P. E teacher.A: Do you like to play football?B: Yes, I do.