Welcometotheunit (2).ppt

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1、Unit8AgreenworldWelcometotheunitDidyouknow3to6billiontreesarecutdowneachyear?Haveyoueverplantedatree?Whatdoyouthinkofthevideo?Newwords&phrasesdigvt.&vi.挖(洞,沟等)seriousadj.认真的,严肃的breadfruitn.面包果reducevt.&vi.减少,降低e.g.Wecanreduceairpollutionbyridingbicycle.

2、turnoff关上(开关)e.g.Wecansaveenergybyturningoffthelightswhenweleave.recyclevt.回收利用，循环利用e.g.Wecanprotecttheenvironmentbyrecyclingthings.wiseadj.明智的,充满智慧的e.g.Theprofessorisverywise.这名教授充满智慧。causevt.导致；造成e.g.Humanpollutioncausesglobalwarming.人为污染导致全球变暖。Listen

3、andanswer1.WhydoesHobowanttoplantmoretrees?2.DoesEddiewanttogowithHobo?3.WhatdoesEddiewanttoplant?Yes,hedoes.Hewantstoplantbreadfruittrees.Becausetreesaregoodforus.Role-playTheclass1,Grade8studentsaretalkingaboutwaystoliveagreenlife.Lookatthepicturesbel

4、owandmatchthemwiththecorrectsentences.Agreenlifea.Wecanreduceairpollutionbyridingbicycles.b.Wecansavewaterbytakingshortershowers.c.Wecansaveenergybyturningoffthelightswhenweleavearoom.d.Wecanprotecttheenvironmentbyrecyclingwaste.BrainstormOurplanetisint

5、rouble!Weshouldtryourbesttoprotecttheenvironment.Whatelsecanwedo?Turnoffcomputerswhenarenotusingthem.Usebothsidesofapieceofpaper.Sende-cardsinsteadofpapercards.Buyproductsthatyoucanuseagain.Reducewaste.MrWuisaskingthestudentshowtoliveagreenlife.Readthec

6、onversationandanswerthefollowingquestions.1.HowdidKittygotoschoolinthepast?Herfatherusedtodrivehertoschool.2.Whataboutnow?3.WhatdoesMilliethinksheshoulddotoliveagreenlife?Theytaketheundergroundnow.Shethinksit’swiseforpeopletochoosepublictransportandride

7、bicycles.4.WhataboutDaniel?5.WhataboutSandy?Hethinkswecantakeshortershowerstosavewater.Shethinksweshouldremembertoturnoffthelightswhenweleavearoom.Workingroupsandtalkaboutthewaystoliveagreenlife.A:Whatshouldwedotoliveagreenlife?B:Ithink….C:Ithink….D:Ith

8、ink….FreetalkReadthedialogueandlearnthenewwordsandphrasesbyheart.2.Finishtheexercisesintheworkbook.