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12TheEarthPeriod1Module4ThenaturalworldOxfordEnglishWhatdoyouknowthem?MsGuo:Lookatthispicture.Whatisit?Kitty:It’stheEarth.MsGuo:Th

egreenandbrownpartsareforestsandland.Whataretheblueparts?Joe:Ithinkthey’reoceans.MsGuo:Yes,theyare.TheEarthwasverycl

eanandbeautifulinthepast,butnowsomepartsaredirty.CanwedoanythingtohelptheEarth?Alice:Yes.Weshouldstopthrowingrubbishintorivers.Pe

ter:Weshouldstopcuttingdownsomanytrees.Kitty:Weshouldstopusingplasticbags.ThereisairandwaterontheEarth.Therearepeople,anim

alsandplantsontheEarth.PeoplehavelivedontheEarthformillionsofyears.Manyyearsago,theEarthwasclean.Today,thereisairpollution,waterpollutionandland

pollution.Peoplecutdowntheforests.Manyplants,wildanimals,birdsandinsectslivethere.Peoplekillanimalsforfoodandthe

irskins.Peoplearepollutingtheland,thewaterandtheair.ItisimportantforustoprotecttheEarth.Weshouldstopthrowingrubbishintorivers.Weshouldstopcu

ttingdownsomanytrees.Weshouldstopusingplasticbags.Weshouldstopthrowingrubbishintorivers.Weshouldstopcut

tingdownsomanytrees.Weshouldstopusingplasticbags.Let’sread！MsGuo:Lookatthispicture.Whatisit?Kitty:It’stheEarth.MsGuo:Thegreenandbrownpartsarefor

estsandland.Whataretheblueparts?Joe:Ithinkthey’reoceans.MsGuo:Yes,theyare.TheEarthwasverycleanandbeautifulinthepast,butnowsomepa

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

tingdownsomanytrees.Kitty:Weshouldstopusingplasticbags.MsGuo:Kitty:MsGuo:Joe:MsGuo:Alice:Peter:Kitty:Weshouldstopkilling…Weshouldstopbuilding…Ta

kecareoftheEarth!Makeitabetterplace!1.ListentoandreadStudent’sBookpage80.2.WritedowntenthingswecandotosavetheEarth.3.Makeaposter“TheEart

hissick!”