井下发生火灾时，必须及时佩带好自救器，若自救器失效，应（)
A.赶快往安全出口跑
B.用湿毛巾捂住口鼻
参考答案：B
-Why did John ask me about the problem?
-________，he tried to find a better way to settle it.
[ ]
A．Not to be satisfied
B．Not satisfied
C．Not being satisfied
D．Don't satisfy
下列四句理财名言分别体现的哲理依次为（）
①重视意识的能动作用
②抓住时机促成质变
③注重系统内部结构的优化趋向
④要把握联系的条件性
A.①②③④
B.②③①
C.②④①③
D.④①③②
