题目

__1__ When a person does a certain thing again, he is impelled(迫使) by some unseen force to do the same thing repeatedly; thus a habit is formed. Once a habit is formed, it is difficult, and sometimes impossible, to get rid of. __2__ Children often form bad habits, some of which remain with them as long as they live. Older persons also form bad habits as long as they live,  and sometimes become ruined by them. __3__ Many successful men say that much of their success has something to do with certain habits in early life, such as early rising, honesty and thoroughness. Among the h【化学-选修5有机化学基础】（15分）已知物质A是芳香族化合物，A分子中苯环上有2个取代基，均不含支链且A的核磁共振氢谱有6个吸收峰，峰面积比为1:1:1:1:2:2，能够与FeCl3溶液发生显色反应。D分子中除含2个苯环外还含有1个六元环。它们的转化关系如下：请回答下列问题：（1）A中所含官能团的名称为            。（2）反应①～③属于加成反应的有           （填序号）。（3）B的结构简式          ，D的结构简式              。   （4）A→E的化学方程式为                                           。（5）符合下列条件的A的同分异构体有            种。①芳香族化合物，苯环上的取代基不超过3个；②能与FeCl3溶液发生显色反应且不能水解；③lmol该物质可与4mol﹝Ag(NH3)2﹞+发生银镜反应；④lmol该物质可与5molH2加成。