预报早产的指标是()A.卵磷脂 B.薄层小体 C.胎儿纤维连接素 D.纤维蛋白 发布时间:2017-07-10 14:03 │ 来源:www.tikuol.com 题型:单项选择题 问题: 预报早产的指标是()A.卵磷脂 B.薄层小体 C.胎儿纤维连接素 D.纤维蛋白降解产物 E.纤维蛋白原
题型:单项选择题 选择正确的选项补全对话。a. markers b. pencils c. five d. three— How many 1_____________ do you have?— I have 2_____________ pencils. — How many 3_____________ do you have? — I have 4_____________ markers. 查看答案
题型:单项选择题 We understand you have over 20 years' experience ______ this particular line of business.A.withB.ofC.inD.on 查看答案