皮皮学，免费搜题
登录
搜题
【多选题】
采用窒息灭火法时应注意A.
燃烧部位较小，燃烧区域内无氧化剂，才能使用该方法
B.
采用惰性气体灭火时，要用大量的惰性气体充入燃烧区以迅速降低氧含量
C.
采用水淹没方法时，必须考虑火场物质被水浸泡后是否产生不良后果
D.
可用水、二氧化碳、氮气等充入燃烧区
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】They were surrounded by the enemy, but they________at last from the village. [ ]
A.
managed escaping
B.
tried to escape
C.
managed to escape
D.
tried escaping
【单选题】They are ready to fight the enemy _____ the last drop of their _____.
A.
to; blood
B.
to; bloods
C.
for; breath
D.
for; time
【单选题】The battle lasted for a few hours and at last the enemy ________.
A.
was defeated
B.
were beat
C.
were won
D.
defeated
相关题目：
参考解析：
知识点：
题目纠错 0
发布
