国家根据人民警察的工作特点设置与其职务相对应的()。
A.级别
B.衔级
C.职位
D.职能
参考答案:B
The old man is quite weak after the accident, so he _____ . [ ]
A. must take care of
B. must be take care of
C. must look after
D. must be looked after
对事故(含险肇事故)管理应做到哪些内容?