关于早产的治疗原则，错误的是A．左侧卧位，以减少自发性宫缩 B

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问题单项选择题

关于早产的治疗原则，错误的是

A．左侧卧位，以减少自发性宫缩

B．宫缩抑制剂包括：β-肾上腺受体激动剂、硫酸镁、前列腺素合成酶抑制剂及钙拮抗剂

C．镇静剂仅在孕妇精神紧张时用

D．分娩时常规做会阴切开术

E．使用地塞米松以促进胎肺成熟

答案

参考答案：D

听力题

小题1:If you can swim a________ the river, I’ll be waiting for you on the other side.

小题2:–What do you want to be in the f________?

–I want to become a teacher.

小题3:The nice dress was bought by my uncle as a birthday p_________.

小题4:You’ve d_________ so much wine. You mustn’t drive.

小题5:He’s poor at spelling. He made a lot of spelling m__________ in his writing.

多项选择题

下面哪些因素可以引起氧解离曲线移位（）

A.红细胞中2，3-DPG的含量

B.pH

C.温度

D.PCO₂

E.PO₂