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12TheEarthPeriod1Module4ThenaturalworldOxfordEnglishEarthlearnLookandlearntheEarthEarth,Earth,Earth,WeliveontheEarth.Earth,Earth,Earth

,WelearnabouttheEarth.Earth,Earth,Earth,WeshouldhelptheEarth.Let’schantLookatthispicture.Whatisit?It’stheEarth.Lookan

dsayWhatcolouristheEarth?browngreenblueTherearemanydifferentpartsontheEarth.partLookandsaypart地区，区域carReadandlea

rnartparkcardpartsbrowngreenblueTherearemanydifferentpartsontheEarth.thegreenpartsthebrownpartsthebluepartsLookandlear

nforestsThegreenpartsare.LookandsayforestsbrowngreenblueTherearemanydifferentpartsontheEarth.thegreenpa

rtsthebrownpartsthebluepartsLookandlearnLookandsayThebrownpartsare.landbrowngreenblueTherearemanydifferentpartsontheEarth.thegreenpartsthebrow

npartsthebluepartsLookandlearnoceansLookandsayThebluepartsare.oceansWorkinpairstodiscussthequestions

below.1Whataretheblueparts?______________________2Whatarethegreenparts?______________________3Whatarethebrownparts?____________________

__Theyareoceans.Theyareforests.PairworkTheyareland.Thegreenpartsareforests.Thebrownpartsareland.Thebluepartsareoceans.LookandreadHowwastheEarthinthep

ast?WatchandthinkWatchandthinkHowwastheEarthinthepast?WatchandthinkTheEarthwasvery_____and_______inthepast.cleanbeautifulButnowsomepartsare

dirty.Weshouldstopthrowingrubbishintorivers.rubbishDon’tthrowrubbishintorivers.Don’t___________________.treesDon’tcutdownsom

anytrees.Don’t___________________.Don’tcutdowntrees.atreesometreesmanytreessomanytreesappleapplesapplesapplesansomemanys

omanyacarsomecarsmanycarssomanycarsWeshouldstopcuttingdownsomanytrees.treesDon’tcutdownsomanytrees.plasticbagWeshouldstopusingp

lasticbags.plasticbagsDon’tuseplasticbags.Don’t__________.Weshouldstopthrowingrubbishintorivers.Weshouldstopcutting

downsomanytrees.Weshouldstopusingplasticbags.Let’sreadWeshouldstopdoing…Weshouldstopthrowingrubbishintoriversusingplastic

bagscuttingdownsomanytrees……PlayagameWeshouldstopdoing…Let'sreadTrueorfalseRoleplayMsGuo:Kitty:MsGuo:Joe:MsGuo:Alice:Peter:Kitty:MsGuo:Lookatthisp

icture.Whatisit?Kitty:It’stheEarth.MsGuo:Thegreenandbrownpartsareforestsandland.Whataretheblueparts?Joe:Ithinkthey’re

oceans.MsGuo:Yes,theyare.TheEarthwasverycleanandbeautifulinthepast,butnowsomepartsaredirty.Canwedoanyth

ingtohelptheEarth?Alice:Yes.Weshouldstopthrowingrubbishintorivers.Peter:Weshouldstopcuttingdownsomanytr

ees.Kitty:Weshouldstopusingplasticbags.(Workingroupsoffivestudents.)TheEarthisourhome!WeshouldtakecareoftheEarth!Weshou

ldmakeitabetterplace!Watchandthink1.ReadthedialogueonStudent’sBookpage80.2.Trytofindmoreinformationabout

howtohelptheEarth.