Here are your books. Please ___________. 发布时间:2017-04-22 08:01 │ 来源:www.tikuol.com 题型:选择题 问题: Here are your books. Please ___________.A. put it away B. put them away C. put away them
题型:选择题 按要求变换句型(一空一词,含缩写)。1. What's the matter with Tom? (给出同义句) What's _____ _____ Tom? 2. She has a bad cold. (就划线部分提问) What's_____ _____ her? 3. You should see the dentist. (就划线部分提问) What _____ I _____ ?4. He should eat some vegetables and fruit. (变为否定句) He _____ eat any vegetables _____ fruit. 5. John didn't come to school yesterday because he was ill. (就划线部分提问) _____ _____ John come to school yesterday? 查看答案
题型:选择题 下列关于哺乳动物胚胎发育和胚胎工程的叙述,正确的是()A.卵裂期胚胎中细胞数目和有机物总量在不断增加B.胚胎分割时需将原肠胚的内细胞团均等分割C.胚胎干细胞具有体积大.细胞核小.核仁不明显等特点D.胚胎干细胞可从早期胚胎中分离获取 查看答案