上学期unit9高二英语课件
日期：2010-11-27 11:34
Usefulexpression:1Theareaofdesertintheworldisgrowingeveryyear2Cattleareonecauseoftheproblem3Onesuggestedanswerisforfarmerstolimitthenumbersofthecattle4Anotherproblemisthatgoodsoilisgraduallylost5Thereisnothingtoholdthesoilinplaceonthehillside6Airpollutioncomesfromfactories，powerstationsandcars7Timeandtimeagainthereareseriousaccidentsthatpollutetheair8Itissaidthat125，000peoplediedasaresultofillnessescausedbythisaccident9Waterpollutioniscausedbywastefromfactoriesandcities10Thewatersofthisgreatlakehavebeendirtiedbywastefromachemicalfactoryattend/takepartin/joinin/joinTheytwodancedanddanceduntilmanyotherpeople___________YougofirstI’ll_____soonWestudents_______thefarmers_____inthericeMymotherisgoingto________________theparents’meetingtonight5Everystudentisrequiredto_________professorWang’slecturejoinedinjoinjoinedinattend/takepartinattendWelcomeToTheEarthSummitthe2002EarthsummitTime:Place:Oneofthemainthemes:in2002inJohannesburgin，
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