妊娠24周以后,胎儿心音多在()听得最清楚。
参考答案:胎背所在侧
The door burst open and________, shouting with anger.
A.rushed in a crowd
B.in rushing a crowd
C.in rushed a crowd
D.in a crowd did rush
颅内感染可选用的抗生素()
A.青霉素G
B.泰能
C.喹诺酮类
D.氯霉素
E.三代头孢