哪项检查可测胎儿肺成熟度 A.血清胎盘生乳素 B.卵磷脂与鞘磷脂比值 C.无应激试验 发布时间:2019-03-20 02:26 │ 来源:www.tikuol.com 题型:单项选择题 问题: 哪项检查可测胎儿肺成熟度A.血清胎盘生乳素B.卵磷脂与鞘磷脂比值C.无应激试验D.催产素激惹试验E.胆红素测定
题型:单项选择题 Sometimes ________ English is quite different from _______ English in many ways.[ ]A. speaking, writing B. spoken, writtenC. speaking, written D. spoken, writing 查看答案