试题与答案

通过胎膜母体与羊水的交换约为: A.35cm,1000g B.45cm,2500g

题型:单项选择题

题目:

通过胎膜母体与羊水的交换约为:

A.35cm,1000g
B.45cm,2500g
C.16cm,110g
D.25cm,320g
E.50cm,3400g胎儿身长,体重

答案:

参考答案:A

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