题目

使1mol乙烯与氯气发生完全加成反应，然后使该加成反应的产物与氯气在光照条件下发生取代反应，则两个过程中消耗氯气的总的物质的量是 （  ） A．3mol             B．4mol        C．5mol          D．6mol 答案：C首字母完成短文   Do you often lose things? People in a h________ often lose things. Many students often lose things, t________. T________ a lost and found office in our school now. There are h________ of things in it at the m________. Look! There are pens, erasers, books, crayons, wallets and m________ other things. If(如果) you lose things, you can come and look f________ them here. Maybe t________ miss you too! Many students f________ their things in the lost and found office e________. It’s really help!