Untilrecently，almosteveryonethoughtthatgrowthandprogresswouldmaketheworlda（61）（good）place．Theybelievedthatsomethingnewwasalwaysbetterthansomethingold．Socountrieshavespentbillionsofdollars（62）sci

Question

Until recently，almost everyone thought that grow th and progress would make the world a （61）___（good） place．They believed that something new was always better than something old．So countries have spent billions of dollars （62）___science to develop new ways of making things and doing work．（63）___，this new technique is the main cause of the world's problems．One such problem has come from the（64）___（appear） of the car．In some（65）___（crowd） cities，the car has polluted the air（66）___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）___（put） into the sea，they can hurt or kill animals and fish．It's time that we（68）___（do） something quickly．When the problems get worse，they will not affect just a few（69）___（country）．They will be world problems（70）___affect us all．

Answer 1

61．better   62．on   63．However   64．appearance   65．crowded   66．so   67．are put    68．did/should do   69．countries    70．that/which61．better．考查形容词．根据语境，是...