早期自然流产最常见的原因为A.生殖器异常 B.黄体功能不全 C.免疫因素 D.遗传基 发布时间:2017-05-25 10:33 │ 来源:www.tikuol.com 题型:单项选择题 问题: 早期自然流产最常见的原因为A.生殖器异常B.黄体功能不全C.免疫因素D.遗传基因缺陷E.创伤
题型:单项选择题 — How long_____like this? — Three weeks! It's usual in here that rain_____without stopping these days of the year. [ ]A. has it rained; pours B. is it raining; is pouring C. has it been raining; pours D. does it rain; pours 查看答案