首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
Before taking such a test, one had better ______ his or her vocabulary.
查看本题答案
包含此试题的试卷
英语《单项选择》真题及答案
点击查看
你可能感兴趣的试题
Whatproblemsdoyouhavewithyourstudy?Doyouwanttoimpr
Trytoyourselfbeforetakingatest.Don'tbeafraidorner
Onehourbeforesailingthedutyengineerandofficershoul
tachometer and engine telegraph
oil and water reserves
clock and engine telegraph and test the rudder
crews
_______accordingtotheinstructionsthemedicineIthink
Take
Being taking
Taken
Taking
SoonerorlatermoststudentsaretotakesomeformofEnglis
Somestudentsgetsonervousbeforeatest;theydopoorlyev
Idon’tthinkwe’vemetbeforE.You’retakingmefor______.
some other
someone else
other person
one other
Scientistssayitmaybeoneyearorso________itispossibl
when
after
before
since
Doyoufeelsonervousinexamsthatyouhavetroublewriting
Doyoublankoutfreezeuporfeelsonervousinexamsthatyou
Don’tcallmeupatthistimetomorrowforI_______animport
will take
am taking
have been taking
will be taking
SoonerorlatermoststudentsaretotakesomeformofEnglis
C.___________carefullybeforetakingaction.
SoonerorlatermoststudentsaretotakesomeformofEnglis
Whatproblemsdoyouhavewithyourstudy?Doyouwanttoimpr
Doyouwanttoimprovethewayyoustudy?Doyoufeelnervousb
SoonerorlatermoststudentsaretotakesomeformofEnglis
whohadarrestedhimthreetimesfordrug-taking.
Before George stood the policeman
Before George the policeman stood
Before the policeman stood George
Stood before the policeman George
Somestudentsgetsonervousbeforeatest.Theydopoorlyev
Doyouwanttoimprovethewayyoustudy?Doyoufeelnervousb
热门试题
更多
Eggsaremyfavoritefood.Ilikethem21hard-boiledscrambledorpoached.1eateggsfor22lunchanddinner.Ieateggsherethereandeverywhere!Eggstastegreat.Youcaneatthemby23oraspartofanymeal.Eggsare24usedasaningredientinmanypreparedfoods.Canyouthinkofanyfoodsthatcontain25Eggsarereallyaperfectfood.Theyare26inmostofthenutrientsweneedtomaintaingood27.Whenababychickendevelops28aneggtheegg29andyolkaretheonlyfoodstheyneed.Manypeoplebelievethateggsare30.Theypointoutthateggscontainaveryhighamountofcholesterol胆固醇.Too31ofonekindofcholesterolinourbloodcancausehe-artdisease.Thereisnoevidencethateggs32theharmfulcholesterolinourblood.Whenweeatfoodsthatare33incholesterolourbodiesmake34ofittobalanceoradjust.Ifyouwanttoenjoyatastyandhealthyfoodeatplentyof35.
Eggsaremyfavoritefood.Ilikethem21hard-boiledscrambledorpoached.1eateggsfor22lunchanddinner.Ieateggsherethereandeverywhere!Eggstastegreat.Youcaneatthemby23oraspartofanymeal.Eggsare24usedasaningredientinmanypreparedfoods.Canyouthinkofanyfoodsthatcontain25Eggsarereallyaperfectfood.Theyare26inmostofthenutrientsweneedtomaintaingood27.Whenababychickendevelops28aneggtheegg29andyolkaretheonlyfoodstheyneed.Manypeoplebelievethateggsare30.Theypointoutthateggscontainaveryhighamountofcholesterol胆固醇.Too31ofonekindofcholesterolinourbloodcancausehe-artdisease.Thereisnoevidencethateggs32theharmfulcholesterolinourblood.Whenweeatfoodsthatare33incholesterolourbodiesmake34ofittobalanceoradjust.Ifyouwanttoenjoyatastyandhealthyfoodeatplentyof35.
Manypeoplewanttoknowhowtoanalyzeproblemstheymeet.Therearesixstagesinanalyzingaproblem.Firstthepersonmustrecognizethatthereisaproblem.ForexampleSam’sbicycleisbrokenandhecannotrideittoclassasheusuallydoes.Sammustseethatthereisaproblemwithhisbicycle.Nextthethinkermustdefinetheproblem.BeforeSamcanrepairhisbicyclehemustfindthereasonwhyitdoesnotwork.Forinstancehemustdetermineiftheproblemiswiththegearsthebrakesortheframe.Hemustmakehisproblemmorespecific.Nowthepersonmustlookforinformationthatwillmaketheproblemclearerandleadtopossiblesolutions.ForinstancesupposeSamdecidedthathisbikedoesnotworkbecausethereissomethingwrongwiththegearwheels.Atthistimehecanlookinhisbicyclerepairbookandreadaboutgears.Hecantalktohisfriendsatthebikeshop.Afterstudyingtheproblemthepersonshouldhaveseveralsuggestionsforapossiblesolution.TakeSamasanillustration.Hissuggestionsmightbe:putoilonthegearwheels;buynewgearwheelsandreplacetheoldones;tightenorloosenthegearwheels.Eventuallyonesuggestionseemstobethesolutiontotheproblem.Sometimesthefinalideacomesverysuddenlybecausethethinkersuddenlyseessomethingneworseessomethinginanewway.Samforexamplesuddenlyseesthatthereisapieceofchewinggumbetweenthegearwheels.Heimmediatelyrealizesthesolutiontohisproblem:hemustcleanthegearwheels.Finallythesolutionistested.Samcleansthegearwheelsandfindsthatafterwardshisbicycleworksperfectly.Inshorthehassolvedtheproblem.Inanalyzingaproblemweshoulddoallthefollowingexcept______.
Everymorningkidsfromalocalhighschoolareworkinghard.Theyaremakingandsellingspecialcoffeeatacoffeecafe.Theyarealsomakingalotofmoney.Thesestudentscanmakeuptotwelvehundreddollarsaday.Theyaresellingtheirspecialcoffeetoairplanepassengers.Afterthestudentsgetpaidtherestofthemoneygoestohelpingalocalyouthproject.ThesehighschoolstudentsuseaspaceintheOaklandairport.Itisusuallyverycrowded.Manypeoplewhoflyontheplanesliketodrinkthespecialcoffee.Onecustomerthinksthatthecoffeecostsalotbutitisgoodandworthit.Mostcustomersarepleasantbutsomeareunhappy.Theydonotlikeitifthecoffeecafeisnotopenforbusiness.Thestudentsearn$6.10anhourplustips.Theyalsogetschoolcreditwhiletheylearnhowtorunabusiness.Manyofthestudentsenjoytheworkalthoughittooksometime1olearnhowtodoit.Theyhavetolearnhowtosteammilkloadthepotsandaddflavor.Ittakessomeskillandsometimesmistakesaremade.Themostcommonmistakeisforgettingtoaddthecoffee.Bysellingspecialcoffeeatacoffeecafethestudentsare______.
A.whendidyougetbackB.WhatasurpriseIgotC.HowIadmireyouD.IamTomE.gotholdofF.gotthroughG.thisisTomH.triedtocontactyouPhilip:Hello!IsthatyouTomTom:Yes56Philip:Ican’tbelieveI57youatlast.AndwhathaveyoubeendoingTom:YeahIhaven’tbeenhomealotlately.AndI’vehadalotofworkandsocialengagements.OhPhilip58toLondonPhilip:IjustcamebackaboutaweekagoI59byphoneseveraltimesbutyouwerenotin.Tom:SorrySorry.DidyouhaveaniceholidaythenPhilip:Lovely.IwenttoScotlandandtraveledaround.Tom:60!Ineedaholidayindeed.Philip:WellIsupposeso.Tom:Ohsomebody’satthedoor.Ihavetogo.AndIhavetosaygood-bye’.Nicetalkingtoyou.Philip:Sameherebye-by
BythetimeyouarriveI______workingfortwohours.
Eggsaremyfavoritefood.Ilikethem21hard-boiledscrambledorpoached.1eateggsfor22lunchanddinner.Ieateggsherethereandeverywhere!Eggstastegreat.Youcaneatthemby23oraspartofanymeal.Eggsare24usedasaningredientinmanypreparedfoods.Canyouthinkofanyfoodsthatcontain25Eggsarereallyaperfectfood.Theyare26inmostofthenutrientsweneedtomaintaingood27.Whenababychickendevelops28aneggtheegg29andyolkaretheonlyfoodstheyneed.Manypeoplebelievethateggsare30.Theypointoutthateggscontainaveryhighamountofcholesterol胆固醇.Too31ofonekindofcholesterolinourbloodcancausehe-artdisease.Thereisnoevidencethateggs32theharmfulcholesterolinourblood.Whenweeatfoodsthatare33incholesterolourbodiesmake34ofittobalanceoradjust.Ifyouwanttoenjoyatastyandhealthyfoodeatplentyof35.
Mostfamouspeoplehavesomeunusualstoryassociatedwiththeirnames.Casanovaforexamplewasalegendinhisowntime.Hewastheepitomeofthegallantadventurerandlover.Howeverhespentthirteenyearsofhislifeasalibrarian!ThomasEdisonthebrilliantinventorwasdeaffromtheageoftwelve.TheyoungEdison’shearinglosswaslongbelievedtohavebeencausedwhenhetriedtocatchamovingtrainandaconductorgrabbedhimbytheearstopullhimonboard.Edisonhimselflikedtotellthisstory.Nooneisreallysurehowhedidlosehishearing.Greatwritersandartistsoftenrequirevarioustypesofinspirationalwarm-upbeforetheycreate.RudyardKiplingcouldnotwriteunlesshispenwasfilledwithblackinkandonlyblackink.LudwigvanBeethovenpouredicycoldwateroverhisheadbeforehecomposedhismusic.Hefeltthatthecoldwaterwouldrefreshhisbrain.TheauthorCharlesDickensalwaysfacednorthwhenworkingorsleeping.TychoBraheanimportantDanishastronomerhadhisnoseshotoffinaduelwithaDanishnoblemanin1566.Hereplaceditwithanothernosemadeofgold.PresidentJamesGarfieldcouldsimultaneouslywriteLatinwithonehandandGreekwiththeother.Thispassageisaboutfamous______.
Eggsaremyfavoritefood.Ilikethem21hard-boiledscrambledorpoached.1eateggsfor22lunchanddinner.Ieateggsherethereandeverywhere!Eggstastegreat.Youcaneatthemby23oraspartofanymeal.Eggsare24usedasaningredientinmanypreparedfoods.Canyouthinkofanyfoodsthatcontain25Eggsarereallyaperfectfood.Theyare26inmostofthenutrientsweneedtomaintaingood27.Whenababychickendevelops28aneggtheegg29andyolkaretheonlyfoodstheyneed.Manypeoplebelievethateggsare30.Theypointoutthateggscontainaveryhighamountofcholesterol胆固醇.Too31ofonekindofcholesterolinourbloodcancausehe-artdisease.Thereisnoevidencethateggs32theharmfulcholesterolinourblood.Whenweeatfoodsthatare33incholesterolourbodiesmake34ofittobalanceoradjust.Ifyouwanttoenjoyatastyandhealthyfoodeatplentyof35.
Mostfamouspeoplehavesomeunusualstoryassociatedwiththeirnames.Casanovaforexamplewasalegendinhisowntime.Hewastheepitomeofthegallantadventurerandlover.Howeverhespentthirteenyearsofhislifeasalibrarian!ThomasEdisonthebrilliantinventorwasdeaffromtheageoftwelve.TheyoungEdison’shearinglosswaslongbelievedtohavebeencausedwhenhetriedtocatchamovingtrainandaconductorgrabbedhimbytheearstopullhimonboard.Edisonhimselflikedtotellthisstory.Nooneisreallysurehowhedidlosehishearing.Greatwritersandartistsoftenrequirevarioustypesofinspirationalwarm-upbeforetheycreate.RudyardKiplingcouldnotwriteunlesshispenwasfilledwithblackinkandonlyblackink.LudwigvanBeethovenpouredicycoldwateroverhisheadbeforehecomposedhismusic.Hefeltthatthecoldwaterwouldrefreshhisbrain.TheauthorCharlesDickensalwaysfacednorthwhenworkingorsleeping.TychoBraheanimportantDanishastronomerhadhisnoseshotoffinaduelwithaDanishnoblemanin1566.Hereplaceditwithanothernosemadeofgold.PresidentJamesGarfieldcouldsimultaneouslywriteLatinwithonehandandGreekwiththeother.Evidentlymostartistsandwritersrequire______.
IwouldneverhavebelieveditwaspossibleifI______itwithmyowneyes.
Eggsaremyfavoritefood.Ilikethem21hard-boiledscrambledorpoached.1eateggsfor22lunchanddinner.Ieateggsherethereandeverywhere!Eggstastegreat.Youcaneatthemby23oraspartofanymeal.Eggsare24usedasaningredientinmanypreparedfoods.Canyouthinkofanyfoodsthatcontain25Eggsarereallyaperfectfood.Theyare26inmostofthenutrientsweneedtomaintaingood27.Whenababychickendevelops28aneggtheegg29andyolkaretheonlyfoodstheyneed.Manypeoplebelievethateggsare30.Theypointoutthateggscontainaveryhighamountofcholesterol胆固醇.Too31ofonekindofcholesterolinourbloodcancausehe-artdisease.Thereisnoevidencethateggs32theharmfulcholesterolinourblood.Whenweeatfoodsthatare33incholesterolourbodiesmake34ofittobalanceoradjust.Ifyouwanttoenjoyatastyandhealthyfoodeatplentyof35.
Manypeoplewanttoknowhowtoanalyzeproblemstheymeet.Therearesixstagesinanalyzingaproblem.Firstthepersonmustrecognizethatthereisaproblem.ForexampleSam’sbicycleisbrokenandhecannotrideittoclassasheusuallydoes.Sammustseethatthereisaproblemwithhisbicycle.Nextthethinkermustdefinetheproblem.BeforeSamcanrepairhisbicyclehemustfindthereasonwhyitdoesnotwork.Forinstancehemustdetermineiftheproblemiswiththegearsthebrakesortheframe.Hemustmakehisproblemmorespecific.Nowthepersonmustlookforinformationthatwillmaketheproblemclearerandleadtopossiblesolutions.ForinstancesupposeSamdecidedthathisbikedoesnotworkbecausethereissomethingwrongwiththegearwheels.Atthistimehecanlookinhisbicyclerepairbookandreadaboutgears.Hecantalktohisfriendsatthebikeshop.Afterstudyingtheproblemthepersonshouldhaveseveralsuggestionsforapossiblesolution.TakeSamasanillustration.Hissuggestionsmightbe:putoilonthegearwheels;buynewgearwheelsandreplacetheoldones;tightenorloosenthegearwheels.Eventuallyonesuggestionseemstobethesolutiontotheproblem.Sometimesthefinalideacomesverysuddenlybecausethethinkersuddenlyseessomethingneworseessomethinginanewway.Samforexamplesuddenlyseesthatthereisapieceofchewinggumbetweenthegearwheels.Heimmediatelyrealizesthesolutiontohisproblem:hemustcleanthegearwheels.Finallythesolutionistested.Samcleansthegearwheelsandfindsthatafterwardshisbicycleworksperfectly.Inshorthehassolvedtheproblem.Asusedinthelastsentencethephraseinshortmeans______.
Howcanwegetridofgarbage.9DowehaveenoughenergysourcestomeetourfutureenergyneedsThesearetwoimportantquestionsthatmanypeopleareaskingtoday.Somepeoplethinkthatmanmightbeabletosolvebothproblemsatthesametime.Theysuggestusinggarbageasanenergysourceandatthetimeitcansavethelandtoholdgarbage.Foralongtimepeopleburiedgarbageordumpeditonemptyland.Nowemptylandisscarce.Butmoreandmoregarbageisproducedeachyear.Howevergarbagecanbeagoodfueltouse.Thethingsingarbagedonotlooklikecoalpetroleumornaturalgas;buttheyarechemicallysimilartothesefossilfuels.Asweuseupourfossil-fuelsupplieswemightbeabletousegarbageasanenergysource.Burninggarbageisnotanewidea.SomecitiesinEuropeandtheUnitedStateshavebeenburninggarbageforyears.Theheatthatisproducedbyburninggarbageisusedtoboilwater.Thesteamthatisproducedisusedtomakeelectricityortoheatnearbybuildings.InParisFrancesomepowerplantsburnalmost2millionmetrictonsofthecitiesgarbageeachyear.Theamountofenergyproducedisaboutthesameaswouldbeproducedbyburningalmostahalfmillionbarrelsofoil.Ourfossilfuelsuppliesarelimited.Burninggarbagemightbeonekindofenergysourcethatwecanusetohelpmeetourenergyneeds.Whattwoproblemscanmansolvebyburninggarbage
Humanneedsseemendless.Theymightberegardedasmakingupseverallevels.Whenthereisenoughmoneytosatisfyonelevelofneedsanotherlevelappears.Thefirstandmostbasiclevelofneedsinvolvesfood.Oncethislevelissatisfiedthesecondlevelofneedsclothingandsomesortofshelterappears.BytheendofWorldWarⅡtheseneedsweresatisfiedforagreatmajorityofAmericans.Thenathirdlevelappeared.Itincludedsuchitemsasautomobilesandnewhouses.By1957or1958thisthirdlevelofneedswasfairlywellsatisfied.Theninthelate1950safourthlevelofneedsappeared:thelife-enrichinglevel.Whiletheotherlevelsinvolvephysicalsatisfactionthatisthefeedingcomfortsafetyandtransportationthislevelstressesmentalneedsforrecognitionachievementandhappiness.Itincludesavarietyofgoodsandservices.Amongthemarevacationtripsthebestmedicalanddentalcareandrecreation.Alsoincludedherearefancygoodsandthelateststylesinclothing.Onthefourthlevelalotofmoneyisspentonserviceswhileonthefirstthreelevelsmoreisspentongoods.Afifthlevelwouldprobablyinvolveneedsthatcanbeachievedbestbycommunityaction.Consumersmaybespendingmoreontaxestopayforgovernmentactionagainstdiseaseignorancecrimeandprejudice.Afterfillingourstomachsourclothesclosetsourgaragesourteethandourmindswenowmayseektoensurethehealthsafetyandleisuretoenjoymorefullythegoodthingsonthefirstfourlevels.Whatisthemainconcernofmanonthefourthlevel
Eggsaremyfavoritefood.Ilikethem21hard-boiledscrambledorpoached.1eateggsfor22lunchanddinner.Ieateggsherethereandeverywhere!Eggstastegreat.Youcaneatthemby23oraspartofanymeal.Eggsare24usedasaningredientinmanypreparedfoods.Canyouthinkofanyfoodsthatcontain25Eggsarereallyaperfectfood.Theyare26inmostofthenutrientsweneedtomaintaingood27.Whenababychickendevelops28aneggtheegg29andyolkaretheonlyfoodstheyneed.Manypeoplebelievethateggsare30.Theypointoutthateggscontainaveryhighamountofcholesterol胆固醇.Too31ofonekindofcholesterolinourbloodcancausehe-artdisease.Thereisnoevidencethateggs32theharmfulcholesterolinourblood.Whenweeatfoodsthatare33incholesterolourbodiesmake34ofittobalanceoradjust.Ifyouwanttoenjoyatastyandhealthyfoodeatplentyof35.
Everymorningkidsfromalocalhighschoolareworkinghard.Theyaremakingandsellingspecialcoffeeatacoffeecafe.Theyarealsomakingalotofmoney.Thesestudentscanmakeuptotwelvehundreddollarsaday.Theyaresellingtheirspecialcoffeetoairplanepassengers.Afterthestudentsgetpaidtherestofthemoneygoestohelpingalocalyouthproject.ThesehighschoolstudentsuseaspaceintheOaklandairport.Itisusuallyverycrowded.Manypeoplewhoflyontheplanesliketodrinkthespecialcoffee.Onecustomerthinksthatthecoffeecostsalotbutitisgoodandworthit.Mostcustomersarepleasantbutsomeareunhappy.Theydonotlikeitifthecoffeecafeisnotopenforbusiness.Thestudentsearn$6.10anhourplustips.Theyalsogetschoolcreditwhiletheylearnhowtorunabusiness.Manyofthestudentsenjoytheworkalthoughittooksometime1olearnhowtodoit.Theyhavetolearnhowtosteammilkloadthepotsandaddflavor.Ittakessomeskillandsometimesmistakesaremade.Themostcommonmistakeisforgettingtoaddthecoffee.Basedonthepassageitseemsthatthepurposeofthecafeisto______.
FrancisPrestonBlairJr.______borninKentuckylivedandpracticedlawinMissouri.
______problemsyouhaveaskHarryheretohelpyou.Heknowseverything.
Humanneedsseemendless.Theymightberegardedasmakingupseverallevels.Whenthereisenoughmoneytosatisfyonelevelofneedsanotherlevelappears.Thefirstandmostbasiclevelofneedsinvolvesfood.Oncethislevelissatisfiedthesecondlevelofneedsclothingandsomesortofshelterappears.BytheendofWorldWarⅡtheseneedsweresatisfiedforagreatmajorityofAmericans.Thenathirdlevelappeared.Itincludedsuchitemsasautomobilesandnewhouses.By1957or1958thisthirdlevelofneedswasfairlywellsatisfied.Theninthelate1950safourthlevelofneedsappeared:thelife-enrichinglevel.Whiletheotherlevelsinvolvephysicalsatisfactionthatisthefeedingcomfortsafetyandtransportationthislevelstressesmentalneedsforrecognitionachievementandhappiness.Itincludesavarietyofgoodsandservices.Amongthemarevacationtripsthebestmedicalanddentalcareandrecreation.Alsoincludedherearefancygoodsandthelateststylesinclothing.Onthefourthlevelalotofmoneyisspentonserviceswhileonthefirstthreelevelsmoreisspentongoods.Afifthlevelwouldprobablyinvolveneedsthatcanbeachievedbestbycommunityaction.Consumersmaybespendingmoreontaxestopayforgovernmentactionagainstdiseaseignorancecrimeandprejudice.Afterfillingourstomachsourclothesclosetsourgaragesourteethandourmindswenowmayseektoensurethehealthsafetyandleisuretoenjoymorefullythegoodthingsonthefirstfourlevels.Accordingtothepassagemanwillbegintothinkaboutsuchneedsashousingandclothingonlywhen______.
A.whendidyougetbackB.WhatasurpriseIgotC.HowIadmireyouD.IamTomE.gotholdofF.gotthroughG.thisisTomH.triedtocontactyouPhilip:Hello!IsthatyouTomTom:Yes56Philip:Ican’tbelieveI57youatlast.AndwhathaveyoubeendoingTom:YeahIhaven’tbeenhomealotlately.AndI’vehadalotofworkandsocialengagements.OhPhilip58toLondonPhilip:IjustcamebackaboutaweekagoI59byphoneseveraltimesbutyouwerenotin.Tom:SorrySorry.DidyouhaveaniceholidaythenPhilip:Lovely.IwenttoScotlandandtraveledaround.Tom:60!Ineedaholidayindeed.Philip:WellIsupposeso.Tom:Ohsomebody’satthedoor.Ihavetogo.AndIhavetosaygood-bye’.Nicetalkingtoyou.Philip:Sameherebye-by
Spanishpeopleusuallyspeak______thanEnglishpeople.
Soquickly______theirworkthattheyweregivenabonus.
Eggsaremyfavoritefood.Ilikethem21hard-boiledscrambledorpoached.1eateggsfor22lunchanddinner.Ieateggsherethereandeverywhere!Eggstastegreat.Youcaneatthemby23oraspartofanymeal.Eggsare24usedasaningredientinmanypreparedfoods.Canyouthinkofanyfoodsthatcontain25Eggsarereallyaperfectfood.Theyare26inmostofthenutrientsweneedtomaintaingood27.Whenababychickendevelops28aneggtheegg29andyolkaretheonlyfoodstheyneed.Manypeoplebelievethateggsare30.Theypointoutthateggscontainaveryhighamountofcholesterol胆固醇.Too31ofonekindofcholesterolinourbloodcancausehe-artdisease.Thereisnoevidencethateggs32theharmfulcholesterolinourblood.Whenweeatfoodsthatare33incholesterolourbodiesmake34ofittobalanceoradjust.Ifyouwanttoenjoyatastyandhealthyfoodeatplentyof35.
Iamlookingforward______Mikenextweek.
______themostversatileofthecommonmetalsleadwaswidelyvaluedandusedinancienttimes.
Howcanwegetridofgarbage.9DowehaveenoughenergysourcestomeetourfutureenergyneedsThesearetwoimportantquestionsthatmanypeopleareaskingtoday.Somepeoplethinkthatmanmightbeabletosolvebothproblemsatthesametime.Theysuggestusinggarbageasanenergysourceandatthetimeitcansavethelandtoholdgarbage.Foralongtimepeopleburiedgarbageordumpeditonemptyland.Nowemptylandisscarce.Butmoreandmoregarbageisproducedeachyear.Howevergarbagecanbeagoodfueltouse.Thethingsingarbagedonotlooklikecoalpetroleumornaturalgas;buttheyarechemicallysimilartothesefossilfuels.Asweuseupourfossil-fuelsupplieswemightbeabletousegarbageasanenergysource.Burninggarbageisnotanewidea.SomecitiesinEuropeandtheUnitedStateshavebeenburninggarbageforyears.Theheatthatisproducedbyburninggarbageisusedtoboilwater.Thesteamthatisproducedisusedtomakeelectricityortoheatnearbybuildings.InParisFrancesomepowerplantsburnalmost2millionmetrictonsofthecitiesgarbageeachyear.Theamountofenergyproducedisaboutthesameaswouldbeproducedbyburningalmostahalfmillionbarrelsofoil.Ourfossilfuelsuppliesarelimited.Burninggarbagemightbeonekindofenergysourcethatwecanusetohelpmeetourenergyneeds.Whatistheauthor’sattitude
A.whendidyougetbackB.WhatasurpriseIgotC.HowIadmireyouD.IamTomE.gotholdofF.gotthroughG.thisisTomH.triedtocontactyouPhilip:Hello!IsthatyouTomTom:Yes56Philip:Ican’tbelieveI57youatlast.AndwhathaveyoubeendoingTom:YeahIhaven’tbeenhomealotlately.AndI’vehadalotofworkandsocialengagements.OhPhilip58toLondonPhilip:IjustcamebackaboutaweekagoI59byphoneseveraltimesbutyouwerenotin.Tom:SorrySorry.DidyouhaveaniceholidaythenPhilip:Lovely.IwenttoScotlandandtraveledaround.Tom:60!Ineedaholidayindeed.Philip:WellIsupposeso.Tom:Ohsomebody’satthedoor.Ihavetogo.AndIhavetosaygood-bye’.Nicetalkingtoyou.Philip:Sameherebye-by
热门题库
更多
英语
语文
中石油职称英语
理工类
卫生类
综合类
国际货运代理师
报关水平测试
报检员
物流员(四级)
助理物流师(三级)
物流师(二级)
高级物流师(一级)
物流案例分析
单证员基础理论与知识
单证员缮制与操作
湘公网安备 43130202000226号