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

orestsandland.Whataretheblueparts?Joe:Ithinkthey’reoceans.MsGuo:Yes,theyare.TheEarthwasverycleanandbeautifulinthepast,butnowsom

epartsaredirty.CanwedoanythingtohelptheEarth?Alice:Yes.Weshouldstopthrowingrubbishintorivers.Peter:Weshouldstopcut

tingdownsomanytrees.Kitty:Weshouldstopusingplasticbags.MsGuo:Kitty:MsGuo:Joe:MsGuo:Alice:Peter:Kitty:Trueorf

alse.(1)TheweatherindifferentplacesontheEarthisdifferent.()(2)Differentanimalsliveindifferentplaces.()(3)Peoplecangetair,waterandf

oodfromtheEarth.()(4)PeoplemaketheEarthdirty.Itispollution.()SomepartsoftheEarthareveryhot,andsomeareverycold.Someliveontheland.S

omeflyinthesky.Someliveunderthewater.TTTheEarthgivesusair,waterandfood.Weburnthingstomakeenergy.Thispollutesthe

air.Weputrubbishintotheseaandundertheground.ThispollutestheEarthandkillsanimalsandplants.TTThereisair

andwaterontheEarth.Therearepeople,animalsandplantsontheEarth.PeoplehavelivedontheEarthformillionsofyears.Manyyears

ago,theEarthwasclean.Today,thereisairpollution,waterpollutionandlandpollution.Peoplecutdowntheforests.Manyplants,wildani

mals,birdsandinsectslivethere.Peoplekillanimalsforfoodandtheirskins.Peoplearepollutingtheland,thewaterandtheair.Whatlivesi

ntheforests?Whatdopeopledototheforests?Whyarepeoplekillinganimals?WeliveontheEarth.TheEarthisabeautifulp

lace.Therearerivers,oceans,landandforests.Therearemanydifferentplantsandanimalstoo.People,plantsandanimalsneedcleanwaterandair.Sometimespeoplethr

owrubbishintoriversandoceans.Sometimespeoplecutdowntoomanytrees.Smokefromcarsandfactoriesmakestheairdirty.The

Earthgetssick.NowpeopleworktogethertokeeptheEarthcleanandhealthy.Theypickuprubbish.Theyplanttreeseveryyear.Theyrecycleglassandpaper.Theybring

theirownshoppingbagsandstopusingplasticbags.TheEarth2WhatdopeopledotokeeptheEarthcleanandhealthy?Answerthequestio

ns.1WhydoestheEarthgetsick?WeliveontheEarth.TheEarthisabeautifulplace.Therearerivers,oceans,landandforests.Therearemanydifferentplantsandanima

lstoo.People,plantsandanimalsneedcleanwaterandair.Sometimespeoplethrowrubbishintoriversandoceans.Sometimespeoplecutdowntooman

ytrees.Smokefromcarsandfactoriesmakestheairdirty.TheEarthgetssick.Answerthequestions.1WhydoestheEarthgetsick?throwrubbishintoriversadoceansbuildf

actoriesanddrivecarstomaketheairdirtycutdowntoomanytreesNowpeopleworktogethertokeeptheEarthcleanandhealthy.Theypickuprubb

ish.Theyplanttreeseveryyear.Theyrecycleglassandpaper.Theybringtheirownshoppingbagsandstopusingplasticbags.2WhatdopeopledotokeeptheEarthcleanandhealt

hy?Answerthequestions.pickuprubbishplanttreeseveryyearrecycleglassandpaperbringtheirownshoppingbagsWeshouldst

opusing…Weshouldstopkilling…Weshouldstopbuilding…Weshouldstopdoing…Weshouldstopthrowingrubbishintoriversusingplasticbagscuttingd

ownsomanytrees……Weshouldstopdoing…Weshoulddo…ThinkandsayWeshouldstopthrowingrubbishintorivers.Weshouldrecyclerubbish.

Weshouldstopcuttingdownsomanytrees.Weshouldplantmoretrees.Weshouldstopusingplasticbags.Weshoulduseshoppingbags.WhatshouldwedotosavetheEa

rth?Putatick(√)oracross(×)inthebox.Thentalkaboutitingroups.WemustsavetheEarth.Peoplemuststopcuttingdow

nforests.Peoplemuststopkillinganimals.Peoplemuststoppollutingtheair.Peoplemuststoppollutingtheland.Peoplemuststoppollu

tingthesea.ThreethingsyoucandotohelpsavetheEarth1.Savewater.2.Saveenergy.3.Ridebikesorusepublictransport.Pleaseremember:Littlethingscanmakeabigdi

fference.TakecareoftheEarth!Makeitabetterplace!1.ListentoandreadStudent’sBookpage80.2.WritedowntenthingswecandotosavetheEarth.3.Makeaposter“The

Earthissick!”4.FinishWorkbookpages69and71.