某化合物的结构（键线式）及球棍模型如下：
 |
 |
该有机分子的核磁共振波谱图如下（单位是ppm）。
下列关于该有机物的叙述正确的是
A．该有机物不同化学环境的氢原子有8种
B．该有机物属于芳香族化合物
C．键线式中的Et代表的基团为－CH3
D．该有机物不可能发生消去反应
相关试题
Encourage your children to try new things, but try not to ___ them too hard.
| A．draw | B．strike | C．rush | D．push |
The computer was used in teaching. As a result, not only__________, but students became more interested in the lessons. 
| A．saved was teachers’ energy | B．was teachers’ energy saved |
C．teachers’ energy was saved | D．was saved teachers’ energy |
The children all turned ____ the famous actress as she entered the classroom. 
| A．looked at | B．to look at |
C．to looking at | D．look at |
Edward, you play so well. But I ______ you played the piano. 
| A．didn’t know | B．hadn’t known |
C．don’t know | D．haven’t known |
粤公网安备 44130202000953号