激光武器的杀伤破坏效应主要有（）。
A.烧蚀效应
B.激波效应
C.辐射效应
D.污染效应
参考答案：A, B, C
The nurse is caring for a client in an acute manic state. What's the most effective nursing action for this client
A．Assigning him to group activities.
B．Reducing his stimulation.
C．Assisting him with self-care.
D．Helping him express his feelings.
地高辛的半衰期为36小时，若每日给予维持量，达到稳态血药浓度约需（）
A.10天
B.12天
C.9天
D.3天
E.6天
