成人肛管平均长()
A.2.5~4cm
B.3.5~4cm
C.4~5cm
D.2~3cm
E.>4cm
参考答案:A
If you grow up in a large family ,you are more to develop the ability to get on well with others .
A.reasonable
B.probable
C.likely
D.certain
处理羊水栓塞常用的解痉药物包括:
A.硫酸镁
B.阿司匹林
C.阿托品
D.罂粟碱
E.氨茶碱