休克病人血压和中心静脉压均低,提示
A.乙功能不全
B.血管过度收缩
C.血容量相对不足
D.血容量相对过多
E.血容量严重不足
参考答案:E
--- Do you enjoy seeing foreign films?
--- Yes. Some of them are good and the film Avatar, ______is excellent.
A.in common
B.in total
C.in particular
D.in general
传染病 可引起爆发的是
A.接触传播
B.诊疗手术传播
C.水和食物传播
D.各种药剂传播
E.虫媒传播