单选题:凝胶过滤法的洗脱顺序为( ) 题目分类:中药学专业知识(二) 题目类型:单选题 查看权限:VIP 题目内容: 凝胶过滤法的洗脱顺序为( ) A.极性小者先洗脱下来 B.极性大者先洗脱下来 C.分子最大者先洗脱来 D.分子量小者先洗脱下来 E.羟基数日少者先洗脱下来 参考答案: 答案解析:
--Who lives in this room?-- _________. --Who lives in this room?-- _________.A.[ A ] Not B.[ B ] No one C.[ C ] No D.[ 分类:中药学专业知识(二) 题型:单选题 查看答案
Mrs. Smith is _________mother. Mrs. Smith is _________mother. A.[ A ] Lucy and Lily B.[ B ] Lucy's and Lily's C 分类:中药学专业知识(二) 题型:单选题 查看答案
I'd like to buy a house--modern, comfortable, and_________ i I'd like to buy a house--modern, comfortable, and_________ in a quiet neighborho 分类:中药学专业知识(二) 题型:单选题 查看答案
Mary kept weighing herself to see how much_________ she was Mary kept weighing herself to see how much_________ she was getting.A.[ A ] heav 分类:中药学专业知识(二) 题型:单选题 查看答案
I'm going to the supermarket this afternoon. Do you have any I'm going to the supermarket this afternoon. Do you have anything_________?A.[ A 分类:中药学专业知识(二) 题型:单选题 查看答案