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LearningAims1.TogetthestudentsknowhowwelltheyhavemasteredwhattheylearntinModule12.2.Tofindoutthemain&difficultpartsinthepaperandtrytoworkthemout.3.Toimprovethestudents’examtechnique(答题技巧）.1.Announcetheresultofthepaper.2.Tellthestudentswhichparttheydidwellandwhichparttheydidn’t.Groupwork:1.Correctthemistakes.2.Explainhowtogetthecorrectanswersandwhy?Showtime:1.Showoutthecorrectanswersandtellwhy.2.Sumupthewaysandskillsaboutwhattodowiththeproblems.Goodafternoon,everyone!I’mhappythatIaminwithachancetotalkaboutourenvironmentwithyou.TheEarthisourhome.WeshouldprotecttoEarth,butenvironmentisnogood.Manyofthethingsweuseeveryday,likepaperbags,colabottles.Weshouldprotecttheenvironmentbybuyingproductsthatincluderecycledmaterials.Weshouldleavehomewhenturnofflights.Weshouldleavewasteinrubbishboxesoutside.Goodafternoon,everyone!I’mhappythatIaminwithachancetotalkaboutourenvironmentwithyou.TheEarthisourhouse,weshouldtryourbesttoprotecttheEarth.AlthoughourGDPisincreasingisveryfast,ourenvironmentisbebadlydamaged.AndTherubbishislookedabout.Asaresult,it’sharmfultoourhealth.It’stimetoprotecttheenvironmentforus.Asastudentweshouldremember:reuse,reduceandrecycle.Whenweleavesourroom,weshouldturnoffthelights.Onlyinthiswaywillourplanetbecomemoreandmorebeautiful.(Inthisway,ourplanetwillbecomemoreandmorebeautiful.)AversionofthewritingGoodafternoon,everyone!I’mhappythatIaminwithachancetotalkaboutourenvironmentwithyou.Theearthisourhome.Everyoneshouldprotectit.Ononehand,rapiddevelopmenthasbrokenit.Ontheotherhand,rubbishwhichcanbeseeneverywhereisharmfultoit.Asaresult,itisadangertoourhealth.It’stimetodosomethingtoprotectourenvironment.Asastudent,first,weshouldreducewaste.Forexample,weshouldsavewaterandelectricity.Don’tordermorefoodthanwecanfinish.Second,weshouldgotoschoolbybikeorbybusinsteadofbycar.Ifeveryonecandoitlikethis,ourplanetwillbecomemoreandmorebeautiful.Whathaveyoulearntoday?