题目

能源的合理利用与开发是非常重要的。 （1）煤、天然气和都属于化石燃料，主要是利用它们燃烧时放出大量的 。 （2）燃油汽车尾气中含有二氧化氮，排放到大气中会形成 ，对环境造成污染。因此电动汽车将成为逐步推广使用的主要交通工具。 （3）化石燃料对环境的影响不容忽视，写出一种人们正在利用的环保型能源 。Jimmy is a middle school student. He adopted (收养) three homeless baby dogs two months ago. He took good (60) c        of them and the dogs became healthier and fatter. Jimmy loved them very much. But now he feels worried. He has some problems. First, he has run out of his money to (61) b         food for dogs, because it is expensive. Second, the dogs are too big and there is not (62) 足够的        room for them. Third, the dogs have become too noisy. So his mother （63）讨厌_______ them. She can’t stand them. Some of Jimmy’s friends are trying to cheer him up. Some advise(建议) Jimmy should put up dogs’ （64）照片_______ in the street and look for their owners. Some suggest him calling the TV station for help. Do you have any good (65) i       to help him?