目前，社会单位大多采取签订（）的形式落实责任。
A．《消防安全承诺书》
B．《消防安全责任书》
C．《消防管理责任书》
D．《消防管理承诺书》
参考答案：B
阅读理解。
The following is some imformation about the American States. Read it and see how much you can
understand. If you come across any new words, the vocabulary will help you.
1. The short name for Vermont is ___________.
2. New Jersey's capital is ___________.
3. __________ joined the United States in 1959.
4. Hawaii joined the USA ___________ than Oklahoma.
5. From the table we know in 1700s, at least __________ states joined the USA.
矿井局部通风机的工作方法称为矿井通风方法。（）
