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1、 Unit 13We are trying to save the earth.1 Write different forms of the words. Then add more to each group.v. n. n. adj. pollute pollution fame famousact actionwood woodenprotect protectionscience scientificinspire inspirationhealth healthybuild buldingsouth southerncreate creationcare carefuladj. n.
2、adj. adv.different difference slow slowlyimportantimportancewide widelysudden suddenlysignificantsingnificance real reallyrelevantrelevancebrilliant brilliance2 Match each statement with the grammar structure.StatementThe river used to be so clean. We have seen many changes in the environment. Peopl
3、e should take public transportation more. The river is polluted by factories.The air pollution is getting worse and worse.GrammerPresent progressiveModal verbsPassive voiceused toPresent perfectKinds of pollutionWays to cut downwater pollutionland pollution3. Write ways to cut down on these kinds of
4、 pollution.ask factories not to throw wast into the river; remind people not to litterensure that factories throw away industrial wast in a responsible way;try not to use plastic bags when shoppingKinds of pollutionWays to cut downnoise pollutionair pollutionbuild airport away from places where peop
5、le liveencourage people to use public transportation instead od driving; reduce the number of factories that bure coal1. My alarm clock doesnt work. It needs _. A. to be repairedB. repairC. to repairD. for repairing2. His death was _ by a high fever. A. spread B. caused C. got D. showed 3. His mothe
6、r _ a worker in that factory. A. used to beB. usedC. used to beingD. used be 4. Your classroom is very clean.Sure. It _ after school every day. A. is cleaned B. cleans C. cleaned D. is cleaningWrite a letter to the local goverment, raise the environmental problem and try to think out possible solutions .Homework
