题型:问答题 简答题 There _______ not any water in the bottle. Go and get some, please. [ ]A. am B. are C. be D. is 查看答案
题型:问答题 简答题 将RNA分子从电泳凝胶转移到硝酸纤维素膜上的分子检测技术称为()。A.Southern-b1ottingB.Northern-b1ottingC.WEsthern=b1ottingD.Easthern-b1ottingE.Dot-b1otting 查看答案