《中国药典》2010年版一部规定,药材水蛭每1g含抗凝血酶活性应不低于() A.16 发布时间:2018-02-24 11:06 │ 来源:www.tikuol.com 题型:单项选择题 B1型题 问题: 《中国药典》2010年版一部规定,药材水蛭每1g含抗凝血酶活性应不低于()A.16.0U B.12.0U C.10.0U D.5.0U E.3.0U
题型:单项选择题 B1型题 用once完成句子。1. I have only been there ____ . 我只去过那儿一次.2. _____ you understand this rule, you will have no further difficulty. 一旦明白了这条规则,你就再也没有困难了. 查看答案
题型:单项选择题 B1型题 —Do you have a basketball?—________. Look, it's over there, under the bed. [ ]A. No, I haven't B. No, I don't C. Yes, I have D. Yes, I do 查看答案