磁共振谱的缩写符号为A.NMR B.UV C.IR D.MS E.CD 发布时间:2017-06-24 22:03 │ 来源:www.tikuol.com 题型:单项选择题 问题: 磁共振谱的缩写符号为A.NMRB.UVC.IRD.MSE.CD
题型:单项选择题 --Mum, where is my toy car? You promised.--_____, my dear, but you know mum is pretty busy today. Tomorrow, OK?A.So it isB.So is itC.So did ID.So I did 查看答案