题目

many, spend , good , time , with , we, classmate , angrily , stop , friend About three years ago, I felt very lonely. I don't like my classmates, my parents or anyone else. My classmates didn't want to talk【1】 me and my parents were always saying that other kids were 【2】 than me. I thought I was the most unlucky person in the world. One day I had a big fight with one of my 【3】 . I was so angry that I hit him in the face. Just at that moment, a boy stood up and 【4】 the fight. He was the monitor of our class. After that, he often helped me and we became good friends. Whenever I 化合物N（ ）可以增强牙膏、口香糖等制品的香气，其中间体L的合成路线如下： 已知：R1、R2、R3、R4表示原子或原子团请回答：（1）A的官能团名称是______。（2）B不能发生银镜反应，A→B的化学方程式是______。（3）C的结构简式是______。（4）D→F的反应类型是______，F→G的化学方程式是______。（5）J的结构简式是______。（6）K含有六原子环结构，K→L的化学方程式是______。（7）G和L经过3步反应合成N，路线如下：结合中间体L的合成路线，写出下列物质的结构简式：中间产物1：______，中间产物2：______。