胎心率早期减速原因:() A.脐静脉暂时受压 B.胎头受压 C.脐动脉受压 D 发布时间:2018-06-25 02:16 │ 来源:www.tikuol.com 题型:单项选择题 问题: 胎心率早期减速原因:()A.脐静脉暂时受压 B.胎头受压 C.脐动脉受压 D.胎盘受压 E.脐带受压
题型:单项选择题 The Natural Approach is to develop the learners’ basic communication skills—both ______ and written. 查看答案