题目

阅读下面的短文，用括号内所给词的适当形式填空。My grandfather was born in a small village in the South of China. He began school at the 【1】(age) of 8. He 【2】(walk) to school every day because there 【3】(be) no bike in his home. At that time there was no television either, so he 【4】(listen) to the radio. He left school at age 15 and 【5】(begin) to work on the farm. When he was 24, he 【6】(marry) my grandmother. They 【7】(have) four children. They stayed on the farm in their 【8】(life). When my father 【9】(leave) the village, my grandparents 下列关于氯气和氯水的说法中正确的是A. 氯气是一种无色、密度比空气大的有毒气体B. 红热的铁丝在Cl2中剧烈燃烧生成FeCl2C. 新制氯水能使有色布条褪色是因为Cl2有漂白性D. 氯水放置数天后酸性增强