2、onmore.人们应更多的乘坐公共交通工具。4.Theriverispollutedbyfactories.河流是工厂污染的。5.Theairpollutionisgettingworseandworse.空气污染正变得越来越严重。【形成性检测】一、选择题（1）The girl __________ an English song in the next room is Tom’s sister. A.who is singing B.is singing C. sang D.was singing （2）Can you lend me the novel _____
3、_____ the other day? A. that you talked B. you talked about it C. which you talked withD. you talked about （3）On the one hand, we need. A.createB.creativeC.creativityD.created（4）–HowdoesJackusuallygotowork?—He______driveacar,butnowhe______theretoloseweight.A.usedto;isusedtowalkB.wasuse
4、dto;isusedtowalking3C.wasusedto;isusedtowalkD.usedto;isusedtowalking（5）The Olympic Games ___________every four years. A. are held B. were held C.are holding D.will ho1d （6）Usually computers _________to search the Internet. A. use B. are using C. are used D. used（7）It i
5、s reported that more new teaching buildings _______ in our school in thenext term. A. will be built B. was built C. has builtD. will build （8）Don’t discuss the problems with your partner unless you _________ to do so. A. ask B. are asked C. will ask D. will be asked（9
