皮皮学，免费搜题
登录
搜题
【多选题】
生活中难免会遇到一些突发事件，我们要善于利用学过的知识，采取科学、有效的方法保护自己．如果发生了氯气（能与碱性溶液反应）泄漏，以下自救方法得当的是（ ）A.
只要在室内放一盆水
B.
向地势低的地方撤离
C.
观察风向，逆风撤离
D.
用湿毛巾或蘸有纯碱水的毛巾捂住口鼻撤离
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】The computer system __________ suddenly while he was searching for information on the Internet.
A.
broke down
B.
broke out
C.
broke up
D.
broke in
【单选题】The bus down last week. It for a week. [ ]
A.
has broken; has broken
B.
has been broken; broke
C.
broke; has broken
D.
broke; has been broken
【简答题】The energy cr (危机) has made people aware of how the careless use of the earth’s energy has brought the whole world to the edge of disaster. The over – development of motor transport, with its incr...
【多选题】关于人民币的发行量,正确的说法有( )。
A.
纸币由国家发行，发行任何数量的纸币都是可以的
B.
纸币的发行量不是人为的，是由客观因素决定的
C.
纸币发行量越多越好。
D.
纸币的发行量要以流通中需要的货币量为依据。
【单选题】Why is Trafford Bridge mentioned?
A.
An accident has occurred at one end.
B.
A vehicle has broken down on it.
C.
Urgent repair work is going on there.
D.
Residents of the area are staging a protest.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
