主題二十三資源和能源（ResourcesandEnergy)一直以來，資源和能源都被大家關(guān)注。人類對資源和能源的浪費(fèi)、破壞以及不合理食用，造成了部分資源和能源的短缺。因此，在這一章中，我們就重點(diǎn)來談?wù)勥@些問題，談?wù)勅绾尾扇「行У拇胧﹣肀Ｗo(hù)資源和能源。一.主題詞匯befamiliartoinone'spointofviewdependonprotect...fromcutoffposeaproblemthefatalnessofagoodservantdoexperimentskeepdanknessawayfromusbecomesafer二.有用句型1.What'smore,wecanmakefulluseofsolarenergy.Notonlydoesitproduceendlesspowerbyconvertingsunlighttoelectricity,butalsoitisenvironment-friendly.2.Ontheotherhand,wehumanbeingsmustprotectourearthortheconsequence(后果）willbesoseriousthatwewillprobablynolongerexistontheearth!3.Electricitylightsthestreetsandbuildingsaswellaswarmspeopleandanimals.4.Itishardtoimaginewhatourlifewouldbelikewithoutelectricity.5.Forexample,weshouldformthehabitofsavingwater,andneverleavewaterrunningunnecessarily.6.Wheneverweleaverooms,besurethatelectricalappliancesareturnedoff.7.Keep“recycle"inmind.Nexttimeyoudumpthewastes,rechecktherubbishanddividethem.Youmightfindsomethingthatmaywellhavepotentialusageinthefuture.8.Actionspeakslouderthanwords.Theessenceofsavingenergyisourworkingtogethertomaketheworldabetterplaceforusandourfuturegenerations.。三.模擬試題請以＂Electricityisagoodservant,butadangerousone”為題寫一篇短文。Questionsforreference:a.Iselectricityagoodservantoradangerousone?b.Whyorwhynot?c.Howtouseelectricityproperly?要點(diǎn)分析1.從正反兩個(gè)方面來闡述你的觀點(diǎn)。2.舉例要具體、切合實(shí)際。3.時(shí)態(tài)可選用一般現(xiàn)在時(shí)。寫作素材I.有關(guān)正面論述的1.Electricitybringstothousandsofhouseholdsnotonlybrightness,butalsoallkindsofentertainment.2.Electricityalsokeepselectricalmachinesworking.3.Withneonlightson,ourcitylooksmuchmoreattractiveatnight.4.Electricitypromoteseconomic,agriculturalandindustrialdevelopment.II.有關(guān)反面論述的1.Forexample,accidentscausedbyusingelectricitycarelesslyarehappeningaroundtheworld.2.Ifwedon'tuseelectricitycarefully,itwillcausebadthings,evenourlives.III.建議性句子1.Toprotectourselvesfrombeinghurt,weshouldfirsttakesomepreventivemeasuressuchascheckingcircuitsregularly,keepingpowerstripsawayfromdampplacesandsoon.2.Weshouldcutoffthepowersupplyimmediatelyifweareindanger.3.Ifsomeoneunfortunatelygetsanelectricshock,weshouldnottouchhimdirectly.IV.小結(jié)性句子1.Electricityisagoodservant,butadangerousone.2.Electricityisaveryfamiliartoallofus.Itisveryuseful.3.Howtomakefulluseofelectricityandletitbecomesaferstillposesaproblemforallofus.4.Allinall,electricityisveryuseful,andthefatalnessofitdependsonhowweuseit.例文Electricityisagoodservant,butadangerousone.Itisveryfamiliartoallofus.Itisveryuseful.Itbringstothousandsofhouseholdsnotonlybrightness,butalsoallkindsofentertainment.Electricityalsokeepselectricalmachinesworking.Itpromoteseconomic,agriculturalandindustrialdevelopment.However,eachcoinhastwosides.Itisdangerousaswell.Forexample,accidentscausedbyusingelectricitycarelesslyarehappeningaroundtheworld.Toprotectourselvesfrombeinghurt,weshouldfirsttakesomepreventivemeasuressuchascheckingcircuitsregularly,keepingpowerstripsawayfromdampplacesandsoon.Moreover,weshouldcutoffthepowersupplyimmediatelyifweareindanger.Allinall,electricityisveryuseful,andthefatalnessofitdependsonhowweuseit.四.寫作操練1.節(jié)約用水，人人有責(zé)。請以“Anincidentofsavingwater”為題寫一篇短文，請你分享一則事例來說明這一道理。AnincidentofsavingwaterOnedayafterschool,LiMingturnedonthetapinthetoiletandsplashedwaterhereandthereontheground.LiDonghappenedtopassbywhenLiMingplayedajokeonhimbysplashingwateronhimandmadehimallwet.LiMingwasafraidthatLiDongwouldpublishhimsoheranawaywithoutturningoffthetap.WhenLiDongsawthis,hewentoverandturnedoffthewater.Hewasangrybecausehethoughtwatershouldn'tbewasted.Thenhewenttotheclassroomandwroteanotice,reading“Savewater".Heputituponthewallnearthetap.Afterawhile,LiMingwentbackandsawthenotice.Hefeltsorryforwhathehaddone.Fromthisexperience,LiMingandothersseeingthenoticeknowsavingwaterisveryimportant.為什么說電是我們的好仆人呢？請以“Electricityisagoodservant.”為題寫一篇短文，說說其中的理由。ElectricityisagoodservantElectricityisagoodservantbecauseitworkseverywhereallthetime.Almosteveryonetodayusesitonewayoranother.Electricitylightsthestreetsandbuildingsaswellaswarmspeopleandanimals.Itishardtoimaginewhatourlifewouldbelikewithoutit.However,noteveryoneknowshowimportantitis.Sometimeswewasteelectricity.Tosaveelectricity,weshouldturnoffthelightswhenwearen'tintheclassroom.Wecanalsosaveitbynotturningonthelightsifit'sunnecessary.What'smore,wemustbecarefulwithelectricity,orwewillbeindanger.3.節(jié)約用電是我們老生常談的問題，如何做得更好呢？請以“Saveelectricity”為題寫一篇短文。Suggestedquestions.a.Doyouthinkelectricityisveryimportant?b.Whydoyouthinkso?(Giveatleasttworeasons)c.Howtosaveelectricity?SaveelectricityElectricityisbecomingmoreandmoreimportantnowadays.Nearlyalltheappliancesinourhousesaredrivenbyelectricity.Withoutelectricity,wecan'twatchTV,surftheInternet,usethewashingmachineorevenreadorwriteintheevening.Solet'stakeactionrightnow.Wejustneedtodosomeeasythings,suchasturningoffthelightswhenleaving,usingtheairconditionerless,remindingourrelativesandpeoplearoundustosaveelectricityorcallingonallthestudentstodoso.4.地球是我們的家園，但是地球遭到破壞的現(xiàn)象也屢見不鮮。如：人們砍伐樹木，浪費(fèi)水資源等等。請以“Let'sbeafriendoftheearth.”為題寫一篇短文。Let'sbeafriendoftheearth.Weallshareonehome,theearth.Itprovidesuswithsheltersandfood.Wecannotstayaliveifourearthisdestroyed.However,somepeopledon'trealizehowimportanttheearthis.Somecutdowntreesformoney.Otherspollutethewaterandairtoomuch.It'stimetotakeactiontostopthesethings.Weshouldtakegoodcareofourhome.Wecanhelptheearthbysavingallkindsofenergy.Wecanalsostoppeoplefromreleasingharmfulgasintotheair.Let'sbeafriendoftheearthandsavetheearthinmanywaystomakeourlifemoreandmoreenjoyable.5.請以“Waterisprecious.”為題寫一篇短文。Suggestedquestions.a.Doyouthinkwaterisveryprecious?b.Whydoyouthinkso?(Giveatleasttworeasons)c.Howtosavewater?WaterispreciousAseveryoneknows,waterispreciousanditisourfriend.Ithelpsusalot.PeopleuseWaterinmanydifferentways.Weusewatertodothehouseworkandmanyotherthings.It'shardtoimaginewhatourlifewouldbelikeiftherewerenowater.However,onlyalittlewaterisdrinkableontheearth.What'smore,wateriseasytobepolluted.WeshouldSavewaterallthetime.Wecansavewaterbynotwastingit.Inaword,wemustn'twastewater,foritisaspreciousasgold.6.保護(hù)森林，人人有責(zé)。請以“Protectingforestsisourduty.”為題寫一篇短文。要點(diǎn)提示：a.談?wù)勀壳吧值默F(xiàn)狀；b.闡述森林被破壞的危害性；c.提出一些建議來保護(hù)森林。ProtectingforestsisourdutyTheareasofforestsaregettingsmallerandsmaller.Anumberofpeoplehavebeencuttingdownthetreesintheforestsbecausetheyneedwoodandmorefarmland.Somescientistssayifthissituationcontinuestherewillbenomoreforestsin20or30years,whichisreallyaterriblething.Whenforestsdisappear,duststormswilloccurmoreoften.Theweatherwillgethotanddry.What'smore,alotofplantsandanimalswilldisappear.Lifewillbeharderforanylivingthingontheearth.Thehumanbeingswillbepunishedfortheirforest-destroyingactivities.Therefore,weshouldrealizetheimportanceoftakingcareofourforests.Weshouldtryourbesttoprotecttheenvironmentandkeepmountainsgreen,waterclean,andtheskyblue.Inaword,protectingforestsisourduty.環(huán)境問題已經(jīng)給人們帶來了極大的不便，如何采取措施合理有效地去整治呢？請以“Howtosolveenvironmentalproblems”為題寫一篇短文。HowtosolveenvironmentalproblemsTheenvironmentaroundusinourcityisquitebadnowadays.Forexample,thereismuchrubbishontheroads,andtheairisverydirty.Thefirstreasonisthatmanypeoplethrowawayrubbishhereandtheresothattheroadsbecomeverydirty.Thesecondreasonisthatfactoriesreleasetoomuchsmokethatpolluteourairseriously.Tosolvetheseproblems,weshouldmakesomechanges.Weshouldtellotherstousegreenproducts.Wecanalsoplanttreesasmanyaspossible.Weshouldtakethepublictransportwhenwetravelinthecity.Comeon,everyone,let'smakejointeffortstocreateacleanenvironment.8.請以“Howtosolvetheproblemofenergyshortage”為題寫一篇短文。HowtosolvetheproblemofenergyshortageEnergyshortageisbecomingaveryseriousproblemintheworld.Manypeopleareworriedthatenergyresourcesontheearthwouldbeexhaustedifweusetheminanywaywewant.Thereisnodenyingthatsolvingtheenergyshortageisnecessary.Ontheonehand,wearetryingtoconserveenergy.Forexample,somecountrieshaveadaylightsavingsystemtouselesselectricityforlighting.Ontheotherhand,thebestwaytosolvethisproblemistodevelopnewenergyresources,suchasnuclearpower,waterpowerandsolarpower.Webelievethatiftheseresourcesaredeveloped,theycancompletelyreplacetheconventionalenergyandwecansolvetheproblemofenergyshortageswiftly.請以“Let'ssavetheearth”為題寫一篇短文。Let'ssavetheearthNowadaysaseriousproblemisthattheenvironmentisbeingpollutedgreatly.Forinstance,millionsoftreeshavebeencutdownwhichcouldhavetakeninCO2,sothegreenhouseeffectbecomesworse.Sowemusttakemeasurestoprotecttheenvironmentnotonlytosavetheearth,butalsotosaveourselves.Firstofall,weshouldlearntodealwithrubbish.Wecanrecycleitinsteadofburningitup.Everyoneshoulddividerubbishintodifferentkindsinorderthatitmayberecycledeasily.What'smore,wearesupposedtosavepreciousresources,suchaswater,electricityandsoon.Wealsoneedtoeatupallthedishesweorderifpossiblewhenwegoouteatingintherestaurants.Theearthisouronlyhome.Therefore,weshouldmakeeveryefforttopro