新编英语教程5Unit3教案Word格式.docx

新编英语教程5Unit3教案Word格式.docx

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Sectionone

Pre-readingQuestions（10mins.）

1.Whatarethefuelsthatcanbeusedinourlife?

Somefuelsareindispensabletocitylife:

coal,gas,petroleum.

Somefuelsareindispensabletocountrylife:

wood,naturalgas,kerosene,petroleum.

2.WhatfuelresourcesisChinarichin?

coal,oil,wood.

3.Supposetheworldhadrunoutoffuel,whatwouldhappentoourlife?

Whatsortof‘nightmarelife’doyouthinkAsimovdescribesinthistext?

TextAnalysis:

catchtheexamplesandthecentralmeaningofeachparagraph.（110mins.）

Para.1---lackofmeansoftransportforgoingtowork（whywalktowork?

）（comp.2-1）

1.‘Soit’s1997’.Whenwasthisarticlewritten?

Itwaswrittenin1977.Theyear1997isthefutureyearAsimovdescribesinhisprediction.Nowit’s1997,andwecanseeifthereisanytruthinAsimov’sprediction20yearsago.

2.Whatdothewords“slosh”and‘slide’suggestaboutthetriptoworkbybikeonthatrainyday?

（Comp.3-1）

Thetripisunpleasantanddifficultbecauseofthemuddyandslipperyroad.

AsimovstartswithwhatseemstobethemostessentialthingtotheAmericans-thecar.（Org.&

Devl.）

3.Whataretheexamples?

Thesubways/bartsarecrowded;

manytrains/oneoutoffivetrainsbreakdown（stopbecauseofamechanicalfault）;

thebusesaregone;

thebicyclessloshandslide（flounderorsplashaboutinslushormud）

Para.2---lackofrawmaterialsandalternativesourceofenergy

e.g.Constructionmaterialsgotfromfadingstructures（oldbuildings）;

enoughcoaldifficulttoget;

nuclearenergydangerous;

solarenergyexpensive.

1.WhydoesAsimovuse‘fading’and‘decaying’todescribe‘structures’and‘city’respectively?

or,explainthemeaningsofthesewords.（comp.3-2）

fading-losingcolorandbrightness;

disappearinggradually

fadingstructuressuggeststhatthebuildingsareinbadrepairandbecomefewerandfewerinnumber.

decaying-declininginprosperity,wastingaway

decayingcitysuggeststhatthecitylacksvitalitytotheextentofcollapsing.

Togethertheyhelptocreateableakpictureofthecity.

2.HowdoyouunderstandThefadingstructuresofadecayingcityarethegreatmineralminesandhardwareshopsofthenation?

Breakthemdownandreusetheparts.

Whentheoldbuildingsarepulleddown,thevariouspartssuchasthosereinforcingbars,tubes,etc.canberecycled.Sothefadingstructuresseemstobethegreatmineralminesandhardwareshopswherethematerialsofthiskindcanbefound.

3.Whatisthejobindemolition（=destruction,leveling）?

Whyisitsteadyaccordingtotheauthor?

（comp.2-2）

thejobinvolvedwithdestroyingoldbuildings.

becausemanyoldbuildingshavetobepulleddownsothattheirvariouspartscanberecycled.

4.Coalistoodifficultto...;

nuclearfissionis...;

thetechnicalbreakthroughtowardnuclearfusion...;

andsolarbatteriesare....

Coalistime-consuming,effort-consuming,andenergy-consumingindiggingupandtransportation.

Nuclearfissionisdangerousbecauseitproducesradioactiverayswhichareharmfultopeoplebycontaminatingland,water,andair.

Nuclearfusiondidoccurbecausewehavehadhydrogenbombs,butwecan’tutilizetheenergyproducedbynuclearfusioninourlifeuptillnow.

Solarenergycan’tbe100%utilizedtoproduceelectricity,sosolarbatteriesareexpensive.

5.HowdoesAsimovkeepthefirsttwoparas.coherent?

walktowork（para.1）-jobindemolition（para.2）-jobinvolvingthere-useofrawmaterialsandenergyresources-lackofrawmaterialsandenergyresources

Para.3---thedisappearanceofautomobilesbecauseoftheshortageofgasoline

howtherearenomorecarsrunninginthestreetsin1997（comp.2-3）

1.Whatdoesfilthyrichmean?

2.Whatisrationed?

Whatdoesthe‘sacrifice’referto?

Thegas/gasolineisrationedbecauseofitsshortage.‘Sacrifice’referstothosewhocan’taffordthegastokeeptheircarsmoving.

3.Describehowtheautomobilesvanish.（comp.3-3）

Automobilesdwindledbecauseoftherisingpriceofgas.Thenonlytherichcouldaffordtokeeptheircars.Thisenragedtheordinarypeople.Thengaswasrationed.Therationwasgraduallydecreased.Finallyallcarsdisappeared.

4.IsittrueinAmericaandinChina?

Carsarenotdiminishinginthestates,butitistruethatAmericanpeoplenowshowlessinterestinmanufacturingautomobiles,becausetheybelievethefutureneediscomputersandinternet/infohighway,fromwhichpeoplecandoalmosteverything,shopping,visiting,havingmeetings,communicating,watchingmovies,etc.Theywillbeseldominneedofcarstocarrythemeverywhere.

InChina,moreandmorepeoplearepurchasingcars,forowningaprivatecaristhesymbolofbecomingwealthy.

Para.4---someadvantagesoffuellesslife/world

1.Accordingtotheauthor,thefuelcrisisof1997hassomeadvantages.Whatarethey?

（comp.3-4）Why?

lesspollution（Theairiscleaner）andfewerdiseases,moresecurityandlowercrimerate,morehealthywayoflife（peoplewalkallthetime）,closerhumanrelationships（mutualprotectionincrowds）.

2.RephraseWiththepolicecartooexpensive（andtooeasyatarget）,policemenarebackontheirbeats.Legsarekinginthecitiesof1997,andpeoplewalkeverywherefarintothenight.

Policecarsaretoocostly（andareverylikelytobecomevictimsofassault）,sopolicemenwalkaboutdesignatedroutestoperformtheirpatroldutyasbefore.

Intheyear1997,walkingformsthemostimportantmeansoftransportationinthecitiesand,fromearlyinthemorningtilllateatnight,peopletravelhereandthere,backandforth,allonfoot.

Para.5---whatresultsfromtheshortageofelectricity（andfuels）

e.g.noheating,noair-conditioning,nomorehotshowers,lesslighting

1.What’sthemeaningofwithmostofwhatfurnacefuelisallowedhoardedforthedawn?

2.Howdoyouinterpretlukewarmspongebathswilldo.andiftheairisnotalwaysveryfragrantinthehumanvicinity,theautomobilesfumesare0gone.（comp.3-5）

Whatpeoplecanhaveareonlylukewarmspongebathsinsteadofshowers,soiftheairisfulloftheunpleasantsmellcomingfromhumanperspirationbecauseoffewerbaths,youcansmelltheautofumes.

Thepleasantsmellintheaircomesfromhumanperspirationratherthanfromthetoxicvaporofcarsaspeoplecannolongeraffordtohaveashowereverydaybutcanonlycleantheirbodieswithasponge.

Notetheunderstatementinthesentence.

3.Whataretheconsequencesofthescarcityofelectricityandfuels?

noair-consforheatingandcooling,stayinginthedarkaftersupper,nottoburnthefurnaceallnighttokeepwarm,putonsweatersevenindoorsinwinter,nottotakeshowerseverydaybutonlylukewarmspongebathssonotfragrantsmellintheairelicitedfromhumanbodiesbecauseoffewershowers.

Para.6---themoredisastrousconditionsinthesuburbsbecausethescarcityoffuels,say,gasolineandelectricity

e.g.thediminishingofcarssopeoplehavetoformshoppingpools,andtousepushcarts.shortageofelectricitysonotenoughtohoardforthewholewinter,andnotenoughforthedogstoeatinwinter

1.What’sthefunctionoftheword‘that’inthefirstsentence?

（comp.3-6）

Introducinganadverbialclauseexpressingreason.

2.ParaphraseThereissomeconsolationinthecitythatitisworseinthesuburbs.

Citypeoplefeelsomewhatcomfortedbythethoughtthatpeopleinthesuburbssufferevenmore（fromtheenergyshortage）.

3.ExplainthemeaningofthesentenceThesuburbswerebornwiththeauto,livedwiththeauto,andaredyingwiththeauto?

（comp.3-7）

Thecarmadeitpossibleforthecitytosprawloutanddevelopitssuburbs;

themobilitythecarprovidedmadeitpossibleforpeopletoliveinthesuburbs;

withthedisappearanceofthecar,theonce-prosperoussuburbsaredeclining.

Para.7.---scarceenergyresourcesshouldbepriorlydistributedtotransportandagriculture,nottopersonalcomfort,andthereasons（comp.2-4）

e.g.Thenationasawholemustsurvive.Therailroadsmovingthecoalwhichistheimmediatehope,andthesubwaysmovingthepeopleshouldreceivemajorattention;

energymustbeconservedforagricultureinordertoproducemorefood,tomaintainsufficientfoodsupply,oreventoexchangesomeoilwithfood.Asforthepersonalcomfort,peoplecanhuddletogetherwhencold,fanourselveswhencool,sleepormakeloveatnightwhenthereisnoelectricity.

Para.8---starvationintherestoftheworld（comp.2-5）

1.WhatmakesAmericansfeelthattheyareluckierthanpeopleelsewhereintheworld?

（comp.3-8）

WhileAmericansareforcedtoeatless,peopleintherestoftheworldaresimplystarving.

2.ParaphraseSomecynicssaythatitistheknowledgeofthisthathelpskeepAmericanfromdespair.（LW6-4）

Americanpeopleknowwellthattheyareluckytohaveenoughfoodsupply-Americaisoneofthebiggestagriculturalexportersintheworld-sothattheydonotloseanyhope.

Accordingtosomecynics,thereasonwhyAmericanshavenotyetlosthopeisthattheyevenunderstandthatthesituationintherestoftheworldisevenmorediscouraging.

3.ParaphraseAllthestatisticspointtorapidlydecliningrateofpopulationincrease,butthatiscomingaboutchieflythroughahighinfantmortality.

Therapidlydecliningrateofpop