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TheEarthUnit12Period3TheearthhasafeverModule4ThenaturalworldTheEarthTherewerebeautifulland,blueoceans,forestsandlovelyanimalsontheEarth.Butnow…Goodmorning.I’myournewfriend.Iwilltalkaboutmycity,andpleaseguesswhereIcomefrom.Iusuallygetupat7:00.Icouldseethebuildingsclearlybefore.Butthesedays,mycitybecomessmoggy(霧霾).Ican’tseeclearly.Ilikerunning.IusuallygototheNationalStadium-BirdNesttorun.Butsometimes,Icanonlyseethestadiumlikethis…Whathappenedtomycity???SurftheinternetNotonlymycityBeijing,buttheearthgetssick.Thereweregreenforests.Treesdienow.Weenjoyedthebeautifulland.Droughthappensnow.Whydothesehappen?Theearthisgettinghotter.Thetemperatureisgettinghigher.TheearthhasafeverGroupDiscussionWhydoestheearthhaveafever?Factoriesburnfossilfuelstomakeenergy.Buttheymakethetemperaturehigh.fossilfuelsBurningfossilfuelswillgiveoutharmfulgases.Theywillwarmupthetemperature.Peopledriveouttoomuch.Carsemitharmfulgases.Theywillwarmuptheearthtoo.Peopleburnrubbisheverywhere.Theyburnallkindsofrubbishtogethertosavetime.Butitproducesharmfulgasestoo.Peopledestroyforests.Theycutdownsomanytreestomakepaper,chopsticks,furnitureandhouses.Treescanhelpcooldowntheweatherandmakefreshair.Withouttrees,theweatherwillrisequickly.Whatwillhappeniftheearthkeepsgoinghotter?Inpairs,discussthequestionsbelow.Thehightemperaturemeltstheice.Itdamagesanimals’homes.Forexample,polarbearswillbecomehomelessifthetemperatureremainshigh.Sealevelrisesquickly.Manycountriesandcitieswillbecoveredbywater.

Thehightemperatureisnotgoodforagriculture.Farmerscan’tgrowvegetablesonthedroughtlandsandmanypeoplewillhavenothingtoeat.TheEarthisindanger.WemustsavetheEarthCanwedosomethingtomakeourearthhealthyagain?Whatcanwedo?Tip:Findsolutionsaccordingtothereasons.Factoriesburnfossilfuels.Usecleanenergy.Carsemitharmfulgases.Gooutbybikemore.Peopleburnallkindsofrubbishtogether.Sortoutrubbish.Peopledestroyforests.Plantmoretrees.Everylittlestepinourdailylifecounts.Weshoulddomoreth

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