Unit1SavingtheEarth

Whataretheusesofwaterandtrees?Waterisusedfor_______handsandclothes._______teeth._______flowers.______________fires._______vegetables.…...Treescan_______theairaswellas______it.makeourcitymore________andless___._______harmfulgasfromtheair._______oxygenintotheair._______uswithwoodandfruit.…...beautifulnoisywashingbrushingwateringputtingoutgrowingcleancoolprovidetakereleaseWhatishappeningtowater?Howcanweprotectwater?Listenandcompletethestatements:Thepeoplelivingnorthofthe_________Rivercanonlyuse20%ofthecountry’swater.EachpersoninTianjinhaslessthan1/3ofthewaterthaneachpersonin_________has.TheSouth-NorthWaterDiversionProjectbeganin________.ItwillcarrywaterfromtheYangtzealmosthalfwayuptonorthChina.TheywillputYangtzewaterintotheHuaihe,HaiheandYellowriversinthe________.Chinaisspendingover150billionyuanontheeasternand________ways.Thewholeprojectwillbefinishedaround2050.TheSouth-NorthWaterDiversionProject南水北调工程YangtzeGuangzhou2002northmiddle________HalfthepeopleofChinalivenorthoftheYangtzeRiver.TheministryofWaterResourcessayseachpersoninTianjinhaslessthanone-thirdofthewaterthaneachpersoninGuangzhouhas.Andtheprojectbeganattheendof2002.Thewaterwillfollow3differentwaysfromsouthtonorth.Chinaisspendingmorethan150billionyuanontheeasternandmiddleways.Whatishappeningtotrees?Reading:Whydosomepeoplecutdowntreesinforests?Howsoonwilltherebenolargeforestsaccordingtosomescientists?Iftheforestsdisappear,whatwilloccuroccasionally?Whatwilllifebelikewithoutforests?Whatdoyouthinkofprotectingourlivingenvironment?Remembertoreadthequestionsfirst!!ProtectingtheForestsNowinsomeplacesofourcountry,anumberofpeoplehavebeencuttingdownthetreesintheforestsbecausetheyneedwoodandmorefarmland.Theareasofforestsaregettingsmallerandsmaller.Somescientistssaythattherewillbenolargeforestsin20or30years.Itisreallyaterriblething.Wheretheforestsdisappear,duststormswilloccuroccasionally.Theweatherwillgethotanddry.Thewholeearthwillbecomeabigdesert.Alotofplantsandanimalswilldisappear.Cropswillnotgrowanywhere.Lifewillbedifficultforeveryone.Thehumanbeingswillbepunishedfortheirforest-destroyingactivities.__________________________1.Whydosomepeoplecutdowntreesinforests?--Becausetheyneedmorewoodandfarmland.ProtectingtheForestsNowinsomeplacesofourcountry,anumberofpeoplehavebeencuttingdownthetreesintheforestsbecausetheyneedwoodandmorefarmland.Theareasofforestsaregettingsmallerandsmaller.Somescientistssaythattherewillbenolargeforestsin20or30years.Itisreallyaterriblething.Wheretheforestsdisappear,duststormswilloccuroccasionally.Theweatherwillgethotanddry.Thewholeearthwillbecomeabigdesert.Alotofplantsandanimalswilldisappear.Cropswillnotgrowanywhere.Lifewillbedifficultforeveryone.Thehumanbeingswillbepunishedfortheirforest-destroyingactivities.________________________2.Howsoonwilltherebenolargeforestsaccordingtosomescientists?--In20or30years.ProtectingtheForestsNowinsomeplacesofourcountry,anumberofpeoplehavebeencuttingdownthetreesintheforestsbecausetheyneedwoodandmorefarmland.Theareasofforestsaregettingsmallerandsmaller.Somescientistssaythattherewillbenolargeforestsin20or30years.Itisreallyaterriblething.Wheretheforestsdisappear,duststormswilloccuroccasionally.Theweatherwillgethotanddry.Thewholeearthwillbecomeabigdesert.Alotofplantsandanimalswilldisappear.Cropswillnotgrowanywhere.Lifewillbedifficultforeveryone.Thehumanbeingswillbepunishedfortheirforest-destroyingactivities.___________________3.Iftheforestsdisappear,whatwilloccuroccasionally?--Duststorms.ProtectingtheForestsNowinsomeplacesofourcountry,anumberofpeoplehavebeencuttingdownthetreesintheforestsbecausetheyneedwoodandmorefarmland.Theareasofforestsaregettingsmallerandsmaller.Somescientistssaythattherewillbenolargeforestsin20or30years.Itisreallyaterriblething.Wheretheforestsdisappear,duststormswilloccuroccasionally.Theweatherwillgethotanddry.Thewholeearthwillbecomeabigdesert.Alotofplantsandanimalswilldisappear.Cropswillnotgrowanywhere.Lifewillbedifficultforeveryone.Thehumanbeingswillbepunishedfortheirforest-destroyingactivities.___________4.Whatwilllifebelikewithoutforests?--Lifewillbedifficult.Therefore,weshouldrealizetheimportanceoftakingcareofourforests.Weshoulddoourbesttoprotectourlivingenvironmentandkeepourmountainsgreen,thewaterclean,andtheskyblue.5.Whatdoyouthinkofprotectingourlivingenvironment?--Itisimportantandnecessary.Theearthisabout4,600millionyearsold.Modernmanhaslivedontheearthforabout35,000years.Duringthattime,wehavechangedourplanetinmanyw_____.Manyofthethingsthatwehavedonearegood,butmany,manymorearenotgoodfortheearth.Waterpollution:Alotofpeople,birdsandfishdieeachdayb_______ofwaterpollution.Factorieshavepollutedthelandandthewater.Astheworldhassomanyfactories,thepollutionhasbeengrowing.Theproblemofwaterp__________hasbecomeevenmoreserious.waysbecausepollutionAirpollution:Inbigcities,factories,aswellascars,trucksandbuses,arealsothebiggestcauseofairpollution.MexicoCityusedtobeabeautifulsunnycapital,buttodayitisalmostalwayscoveredbyathickbrowncloud!Manypeopleincitiesnowhaveveryb_____healthproblems.Fewertrees:Treesareoneofthemostimportantpartsofnature.Why?Becausetheygiveusoxygen.Butallovertheworldpeoplehavecutdownmillionsandmillionsoftreesformanyuses.Everydayabout50kindsofrainforestplantsandanimalsthatliveinforestsd__________ontheearth.Hopeforthefuture:Theseproblemsareverys________,sowemustdosomethingnow!Inmanyplaceswehavealreadytakenactiontoimprovetheenvironment.Manycountriesnowusethewind,thesun,theseaandtheheatoftheearthtomakeelectricity.Ofcourse,therearemanyotherthingswecando.Let’sp________ourmother—theearthtogether.baddisappearseriousprotectGroupdiscussion:Howtolookaftertheenvironment?*Wecanlookaftertheenvironmentby…*Weshould/oughtto…*Weshouldn’t/oughtnotto…*Wemust/mustn’t…*…Summary:Theearthisourhome,butitcansometimesbeadangerousplacetolive.Earthquakes,typhoons,floodsanddifferentkindsofflucanhappenatanytime.Wecan’tdoanythingaboutthat,butwehavethepowertoshowourrespectfornaturebynotcausingpollution.Usethequestioncues:Whatishappeningtotheenvironmenttoday?Doyouwanttobefriendsoftheearth?Howcanyoulookaftertheenvironment?Writing:“Tobefriendsoftheearth”.Takeactionnow,thenwewillrealize“BetterCity,BetterLife!