题目

用括号内所给单词的适当形式填空。 1. The earthquake affected the  _____ (day) life of thousands of people. 2. In my opinion，Yang Liwei and Zhai Zhigang are both national  _____ (hero). 3. The supermarket which is in the  _____ (north)part of the city is near my house. 4. It is a _____ (pain)experience for her. She doesn't want to recall it. 5. Tommy felt so _____ (sleep) that he went to bed at 7：00 p.m. yesterday.有机物A是无色液体在一定条件下能发生下列的一系列变化(图中只表示主要的有机产物)。 请回答： (1)指出反应Ⅰ、Ⅱ、Ⅲ的反应类型：Ⅰ_________;Ⅱ_________;Ⅲ_________。 (2)写出A可能的结构简式：____________。