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?/p>

何采取更有效的措施來保護(hù)資源和能源。

一.主題詞匯

befamiliarto

inone'spointofview

dependon

protect...from

cutoff

poseaproblem

thefatalnessof

agoodservant

doexperiments

keepdanknessawayfromus

becomesafer

二.有用句型

1.What'smore,wecanmakefulluseofsolarenergy.Notonlydoesitproduceendlesspowerbyconverting

sunlighttoelectricity,butalsoitisenvironment-friendly.

2.Ontheotherhand,wehumanbeingsmustprotectourearthortheconsequence(后果)willbesoseriousthatwe

willprobablynolongerexistontheearth!

3.Electricitylightsthestreetsandbuildingsaswellaswarmspeopleandanimals.

4.Itishardtoimaginewhatourlifewouldbelikewithoutelectricity.

5.Forexample,weshouldformthehabitofsavingwater,andneverleavewaterrunningunnecessarily.

6.Wheneverweleaverooms,besurethatelectricalappliancesareturnedoff.

7.Keep“recycle"inmind.Nexttimeyoudumpthewastes,rechecktherubbishanddividethem.Youmightfind

somethingthatmaywellhavepotentialusageinthefuture.

8.Actionspeakslouderthanwords.Theessenceofsavingenergyisourworkingtogethertomaketheworldabetter

placeforusandourfuturegenerations.。

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.

n.有關(guān)反面論述的

1.Forexample,accidentscausedbyusingelectricitycarelesslyarehappeningaroundtheworld.

2.Ifwedon'tuseelectricitycarefully,itwillcausebadthings,evenourlives.

in.建議性句子

1.Toprotectourselvesfrombeinghurt,weshouldfirsttakesomepreventivemeasuressuchascheckingcircuits

regularly,keepingpowerstripsawayfromdampplacesandsoon.

2.Weshouldcutoffthepowersupplyimmediatelyifweareindanger.

3.Ifsomeoneunfortunatelygetsanelectricshock,weshouldnottouchhimdirectly.

IV.小結(jié)性句子

1.Electricityisagoodservant,butadangerousone.

2.Electricityisaveryfamiliartoallofus.Itisveryuseful.3.Howtomakefulluseofelectricityandletitbecome

saferstillposesaproblemforallofus.

4.Allinall,electricityisveryuseful,andthefatalnessofitdependsonhowweuseit.

例文

Electricityisagoodservant,butadangerousone.Itisveryfamiliartoallofus.Itisveryuseful.Itbringsto

thousandsofhouseholdsnotonlybrightness,butalsoallkindsofentertainment.Electricityalsokeepselectrical

machinesworking.ltpromoteseconomic,agriculturalandindustrialdevelopment.

However,eachcoinhastwosides.Itisdangerousaswell.Forexample,accidentscausedbyusingelectricity

carelesslyarehappeningaroundtheworld.Toprotectourselvesfrombeinghurt,weshouldfirsttakesome

preventivemeasuressuchascheckingcircuitsregularly,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。

Anincidentofsavingwater

Onedayafterschool,LiMingturnedonthetapinthetoiletandsplashedwaterhereandthereontheground.

LiDonghappenedtopassbywhenLiMingplayedajokeonhimbysplashingwateronhimandmadehimallwet.

LiMingwasafraidthatLiDongwouldpublishhimsoheranawaywithoutturningoffthetap.WhenLiDongsaw

this,hewentoverandturnedoffthewater.Hewasangrybecausehethoughtwatershouldn*tbewasted.Thenhe

wenttotheclassroomandwroteanotice,reading“Savewatern.Heputituponthewallnearthetap.Aftera

while,LiMingwentbackandsawthenotice.Hefeltsorryforwhathehaddone.Fromthisexperience,LiMingand

othersseeingthenoticeknowsavingwaterisveryimportant.

2.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。

Electricityisagoodservant

Electricityisagoodservantbecauseitworkseverywhereallthetime.Almosteveryonetodayusesitoneway

oranother.Electricitylightsthestreetsandbuildingsaswellaswarmspeopleandanimals.Itishardtoimagine

whatourlifewouldbelikewithoutit.However,noteveryoneknowshowimportantitis.Sometimeswewaste

electricity.Tosaveelectricity,weshouldturnoffthelightswhenwearen'tintheclassroom.Wecanalsosaveitby

notturningonthelightsifit'sunnecessary.What'smore,wemustbecarefulwithelectricity,orwewillbein

danger.

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?

Saveelectricity

Electricityisbecomingmoreandmoreimportantnowadays.Nearlyalltheappliancesinourhousesaredriven

byelectricity.Withoutelectricity,wecan'twatchTV,surftheInternet,usethewashingmachineorevenreador

writeintheevening.

Solet'stakeactionrightnow.Wejustneedtodosomeeasythings,suchasturningoffthelightswhenleaving,

usingtheairconditionerless,remindingourrelativesandpeoplearoundustosaveelectricityorcallingonallthe

studentstodoso.

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，s

beafriendoftheearth.”為題寫一篇短文。

Let'sbeafriendoftheearth.

Weallshareonehome,theearth.Itprovidesuswithsheltersandfood.Wecannotstayaliveifourearthis

destroyed.However,somepeopledon'trealizehowimportanttheearthis.Somecutdowntreesformoney.Others

pollutethewaterandairtoomuch.It'stimetotakeactiontostopthesethings.Weshouldtakegoodcareofour

home.Wecanhelptheearthbysavingallkindsofenergy.Wecanalsostoppeoplefromreleasingharmfulgasinto

theair.Let'sbeafriendoftheearthandsavetheearthinmanywaystomakeourlifemoreandmoreenjoyable.

5.請以“Waterisprecious.”為題寫一篇短文。

Suggestedquestions.

a.Doyouthinkwaterisveryprecious?

b.Whydoyouthinkso?(Giveatleasttworeasons)

c.Howtosavewater?

Waterisprecious

Aseveryoneknows,waterispreciousanditisourfriend.Ithelpsusalot.PeopleuseWaterinmanydifferent

ways.Weusewatertodothehouseworkandmanyotherthings.It*shardtoimaginewhatourlifewouldbelikeif

therewerenowater.However,onlyalittlewaterisdrinkableontheearth.What'smore,wateriseasytobe

polluted.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。

Protectingforestsisourduty

Theareasofforestsaregettingsmallerandsmaller.Anumberofpeoplehavebeencuttingdownthetreesinthe

forestsbecausetheyneedwoodandmorefarmland.Somescientistssayifthissituationcontinuestherewillbeno

moreforestsin20or30years,whichisreallyaterriblething.

Whenforestsdisappear,duststormswilloccurmoreoften.Theweatherwillgethotanddry.What'smore,a

lotofplantsandanimalswilldisappear.Lifewillbeharderforanylivingthingontheearth.Thehumanbeingswill

bepunishedfortheirforest-destroyingactivities.

Therefore,weshouldrealizetheimportanceoftakingcareofourforests.Weshouldtryourbesttoprotectthe

environmentandkeepmountainsgreen,waterclean,andtheskyblue.Inaword,protectingforestsisourduty.

7.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。

Howtosolveenvironmentalproblems

Theenvironmentaroundusinourcityisquitebadnowadays.Forexample,thereismuchrubbishontheroads,

andtheairisverydirty.Thefirstreasonisthatmanypeoplethrowawayrubbishhereandtheresothattheroads

becomeverydirty.Thesecondreasonisthatfactoriesreleasetoomuchsmokethatpolluteourairseriously.To

solvetheseproblems,weshouldmakesomechanges.Weshouldtellotherstousegreenproducts.Wecanalsoplant

treesasmanyaspossible.Weshouldtakethepublictransportwhenwetravelinthecity.Comeon,everyone,lets

makejointeffortstocreateacleanenvironment.

8.請以“Howtosolvetheproblemofenergyshortage”為題寫一篇短文。

Howtosolvetheproblemofenergyshortage

Energyshortageisbecomingaveryseriousproblemintheworld.Manypeopleareworriedthatenergy

resourcesontheearthwouldbeexhaustedifweusetheminanywaywewant.Thereisnodenyingthatsolvingthe

energyshortageisnecessary.

Ontheonehand,wearetryingtoconserveenergy.Forexample,somecountrieshaveadaylightsavingsystem

touselesselectricityforlighting.Ontheotherhand,thebestwaytosolvethisproblemistodevelopnewenergy

resources,suchasnuclearpower,waterpowerandsolarpower.Webelievethatiftheseresourcesare

developed,theycancompletelyreplacetheconventionalenergyandwecansolvetheproblemofenergyshortage

swiftly.

9.請以"Let'ssavetheearth”為題寫一篇短文。

Let'ssavetheearth

Nowadaysaseriousproblemisthattheenvironmentisbeingpollutedgreatly.Forinstance,millionsoftrees

havebeencutdownwhichcouldhavetakeninCO2,sothegreenhouseeffectbecomesworse.Sowemusttake

measurestoprotecttheenvironmentnotonlytosavetheearth,butalsotosaveourselves.Firstofall,weshould

learntodealwithrubbish.Wecanrecycleitinsteadofburningitup.Everyoneshoulddividerubbishintodifferent

kindsinorderthatitmayberecycledeasily.Whafsmore,wearesupposedtosavepreciousresources,suchas

water,electricityandsoon.Wealsoneedtoeatupallthedishesweorderifpossiblewhenwegoouteatinginthe

restaurants.Theearthisouronlyhome.Therefore,w