简述自救器的使用方法？
参考答案：
一搬、二拉、三脱、四取、五咬、六夹、七戴、八离。
I wouldn’t want to go back an employee now that I have been self-employed．
A．to be
B．have been
C．be
D．to being
其他濒危生野牛皮
