空腔脏器损伤的主要临床表现（）
A.腹痛、恶心、呕吐
B.腹痛，放射痛
C.失血性休克
D.腹膜刺激征
E.腹痛、呕血、放射痛
参考答案：D
We do our best to be careful and prevent bad things from happening,but most of us will________ find
ourselves in a situation where we or someone else needs help.
A. personally
B. obviously
C. particularly
D. eventually
锂盐不良反应多，应将血药浓度控制在（mmol／L）（）
A.<1.5
B.2.5
C.3.0
D.3.5
E.4.0
