题目

Can you tell me ______ after this exam ? A. what you did B. what did you do C. what will you doD. what you will do 答案:D等质量的下列烃完全燃烧时所需氧气最多的是 …(    )A.C6H6                  B.C2H6                  C.C2H4                  D.C4H6
英语 试题推荐