下列()不常用作抗凝剂。A.柠檬酸钠 B.硫酸钠 C.肝素 D.乙二胺四乙酸 发布时间:2017-07-17 22:25 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列()不常用作抗凝剂。A.柠檬酸钠B.硫酸钠C.肝素D.乙二胺四乙酸
题型:单项选择题 — Did Betty go shopping with you yesterday? — Even if she _____ a lot of studying, she would have preferred staying home to going shopping. [ ]A. didn't have B. shouldn't have C. hadn't hadD. hasn't had 查看答案