Z 、 E 命名法适用于所有顺反异构体,它与顺反命名法相比,更具广泛性。需要注意的是这两种命名法之间没有必然的联系,顺式构型不一定是 Z 构型;反式构型也不一定是 E 构型
A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】Conversation 2 Stuart: Amy, 1____________? Amy: Nothing special. What are you going to do? Stuart: Well, it is said that there will be a lecture on environmental protection on Saturday morning. I woul...
【简答题】把选择项的字母分别填在每一空,注意用大写字母。 It was true _____ Alice did surprised her mother. A. that B. what C. that, what D. what, that 2. Does ____matter much ____he can’t come to the meeting. A. it, if ...
【简答题】音乐之声片段.wmv Script ( From The Sound of Music ) - You’ve been unhappy. I’m sorry. - Reverend Mother. - Why did they send you back to us? - They didn’t send me back, Mother. I left. - Sit down, Maria. Te...
【简答题】选词填空 grandmother married uncle father aunt Ella and Joe got (1)___________ this summer. In this photo, they are with Ella’s elder brother’s son, Paul, and Ella’s mother, Kelly. W...
【简答题】听下面一段材料,回答第1-4题。 1. What is the probable relationship between the speakers? A. Mother and son. B. Wife and husband. C. Employer and employee. 2. What does the woman advise the man to do? A. Balance th...