题目内容
19．Until recently，almost everyone thought that growth and progress would make the world a（61）better （good） place．They believed that something new was always better than something old．So countries have spent millions of dollars（ 62）on science to develop new ways of making things and doing work（.63）However，this new technique is the main cause of the world's problems．One such problem has come from the （64）appearance （appear） of the car．In some（65）crowded （crowd） cities，the car has polluted the air （66）so badly that people get sick just from breathing it．Waste from factories is another example of how new technology is hurting the earth．When some waste chemicals （67）are put （put） into the sea，they can hurt or kill animals and fish．It's time that we （68）did/should do （do） something as soon as possible．When the problems get worse，they will not affect just a few （69）contries （country）．They will be world problems （70）that/which affect us all．分析 人们相信发展和进步会使得世界变得更好，但是许多新技术会对这个世界造成污染．
解答 61．better 62．on 63．However 64．appearance 65．crowded 66．so 67．are put 68．did/should do 69．countries 70．that/which
解析：
61．答案better．考查形容词．根据语境，是发展和进步会使得这个世界变成一个更好的地方，与过去的世界相比较，用better．
62．答案on．考查介词．Spend sth on sth在某物上花费某物，用on．
63．答案However．考查副词．与上句是转折关系，用However．
64．答案appearance．考查名词．The apperance of the car 汽车的出现，用appearance．
65．答案crowded．考查动词．修饰名词用形容词，拥挤的，用crowded．
66．答案so．考查副词．So…that…句型，太…以至于…，用so．
67．答案are put．考查动词．主语与动词之间是被动关系，用are put．句意：一些化学废物被投入海洋．
68．答案did/should do．考查动词．It's time that…正是…的时候，后接should do或者动词的过去式，用did/should do．
69．答案countries．考查名词．A few后接可数名词复数，用countries．
70．答案that/which．考查关系词．定语从句，修饰problems，用that/which．
点评 首先要通读全文，了解大意，抓住上下文语境所提供的信息，明确空格所要填的词义，词型和短语搭配，给出所要填的正确形式，然后整体阅读，核对答案．
