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12TheEarthPeriod2Module4ThenaturalworldOxfordEnglishMsGuo:Lookatthispicture.Whatisit?Kitty:It’stheEarth.MsGuo:Thegreenandb

rownpartsareforestsandland.Whataretheblueparts?Joe:Ithinkthey’reoceans.MsGuo:Yes,theyare.TheEarthwasverycleanandbeautifuli

nthepast,butnowsomepartsaredirty.CanwedoanythingtohelptheEarth?Alice:Yes.Weshouldstopthrowingrubbishintorivers.Peter:Weshouldst

opcuttingdownsomanytrees.Kitty:Weshouldstopusingplasticbags.MsGuo:Kitty:MsGuo:Joe:MsGuo:Alice:Peter:Kitty:Tru

eorfalse.(1)TheweatherindifferentplacesontheEarthisdifferent.()(2)Differentanimalsliveindifferentplaces

.()(3)Peoplecangetair,waterandfoodfromtheEarth.()(4)PeoplemaketheEarthdirty.Itispollution.()SomepartsoftheEarthare

veryhot,andsomeareverycold.Someliveontheland.Someflyinthesky.Someliveunderthewater.TTTheEarthgivesusair,wateran

dfood.Weburnthingstomakeenergy.Thispollutestheair.Weputrubbishintotheseaandundertheground.ThispollutestheEarthandkillsanimalsandplan

ts.TTThereisairandwaterontheEarth.Therearepeople,animalsandplantsontheEarth.PeoplehavelivedontheEarthformillionsofyears.Manyyearsago,theEar

thwasclean.Today,thereisairpollution,waterpollutionandlandpollution.Peoplecutdowntheforests.Manyplants,wildanimals,birdsandinsectslivethere.P

eoplekillanimalsforfoodandtheirskins.Peoplearepollutingtheland,thewaterandtheair.Whatlivesintheforests

?Whatdopeopledototheforests?Whyarepeoplekillinganimals?WeliveontheEarth.TheEarthisabeautifulplace.Therearerivers,oceans,la

ndandforests.Therearemanydifferentplantsandanimalstoo.People,plantsandanimalsneedcleanwaterandair.Sometimespeople

throwrubbishintoriversandoceans.Sometimespeoplecutdowntoomanytrees.Smokefromcarsandfactoriesmakestheairdirty.TheEarthgetssick.Nowpeopleworktog

ethertokeeptheEarthcleanandhealthy.Theypickuprubbish.Theyplanttreeseveryyear.Theyrecycleglassandpaper.Theybringthei

rownshoppingbagsandstopusingplasticbags.TheEarth2WhatdopeopledotokeeptheEarthcleanandhealthy?Answerthequestions.1WhydoestheEarthgetsick?Weliv

eontheEarth.TheEarthisabeautifulplace.Therearerivers,oceans,landandforests.Therearemanydifferentplantsandanimalstoo.People,plantsandanimalsneedclea

nwaterandair.Sometimespeoplethrowrubbishintoriversandoceans.Sometimespeoplecutdowntoomanytrees.Smokefromcarsandfactoriesmakestheairdirty.

TheEarthgetssick.Answerthequestions.1WhydoestheEarthgetsick?throwrubbishintoriversadoceansbuildfactoriesanddrivecarstom

aketheairdirtycutdowntoomanytreesNowpeopleworktogethertokeeptheEarthcleanandhealthy.Theypickuprubbish.Th

eyplanttreeseveryyear.Theyrecycleglassandpaper.Theybringtheirownshoppingbagsandstopusingplasticbags.2Whatdopeopledotokeep

theEarthcleanandhealthy?Answerthequestions.pickuprubbishplanttreeseveryyearrecycleglassandpaperbringtheirownshopping

bagsWeshouldstopusing…Weshouldstopkilling…Weshouldstopbuilding…Weshouldstopdoing…Weshouldstopthrowingrubbishintoriversusingplasticbagscuttingd

ownsomanytrees……Weshouldstopdoing…Weshoulddo…ThinkandsayWeshouldstopthrowingrubbishintorivers.Weshouldrecyclerubbish.Weshouldstopcuttingdownsoma

nytrees.Weshouldplantmoretrees.Weshouldstopusingplasticbags.Weshoulduseshoppingbags.WhatshouldwedotosavetheEarth?Putatick(√)oracross(×)intheb

ox.Thentalkaboutitingroups.WemustsavetheEarth.Peoplemuststopcuttingdownforests.Peoplemuststopkillinganimals.Peoplemuststoppollutingt

heair.Peoplemuststoppollutingtheland.Peoplemuststoppollutingthesea.ThreethingsyoucandotohelpsavetheEarth1.Savewater.

2.Saveenergy.3.Ridebikesorusepublictransport.Pleaseremember:Littlethingscanmakeabigdifference.TakecareoftheEarth!Make

itabetterplace!1.ListentoandreadStudent’sBookpage80.2.WritedowntenthingswecandotosavetheEarth.3.Makeaposter“TheE

arthissick!”4.FinishWorkbookpages69and71.