职称英语 教材.docx

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职称英语 教材.docx

职称英语教材

07职称英语(理工类)

第126页

第四部分 阅读理解

第四篇             MotoringTechnology

1.2millionroaddeathsworldwideoccureachyear,plusafurther50millioninjuries.Toreducecarcrashrate,muchresearchnowisfocusedonsafetyandnewfuels-thoughsomeelectricvehicleandbiofuelresearchaimsatgoingfaster.

Travellingatspeedhasalwaysbeenrisky.Onecuttingedgeareaofresearchinmotoringsafetyistheuseofdigitalin-carassistants.Theycanensureyoudon'tmisscrucialroadsignsorfallasleep.Theuseofartificialintelligencesoftwareallowstheseassistantstomonitoryourdrivingandmakessureyourphoneorradiodoesn'tdistractyouatavitalmoment.Mostcrashesresultfromhumanandnotmechanicalfaults.

Somesafetydevelopmentsaimtoimproveyourvision.Radarcanspotobstaclesinfog,whileothertechnology"seesthrough"high-sidedvehiclesblockingyourview.

Andimprovementstoseatbelts,pedalcontrolsandtyresaremakingdrivingsmootherandsafer.Thecolourofacarhasbeenfoundtobelinkedwithsafety,ashave,lesssurprisingly,sizeandshape.

Andalternativestofossil-fuelbasedpetrol,suchasplantoils,areahotareaofresearch.Fuelcellsbasedonhydrogenburncleanly,andarethesubjectofaseriousresearcheffort.

Butwhateverisinthefueltank,youdon'twantathiefinthedrivingseatandtherehavebeenmanyinnovations,someusingsatellitetrackingandremotecommunications,tofightagainstcartheft.Thesecommunicationsystemscanalsocomeintoplayifyoucrash,automaticallycallingforhelp.

Accidentscausemanytrafficjams,buttherearemoresubtleinterplaysbetweenvehiclesthatcancausejamsevenonaclearbutbusyroad.Suchjamscanbeanalysedusingstatisticaltools.Roboticdriverscouldbeprogrammedtomaketrafficflowsmoothlyandwillperhapsonedaybeeveryone'spersonalchauffeur,buttheirlatesteffortssuggestthatwon'tbesoon.

练习:

1.Whatareresearchersinterestedindoingastheroadaccidentsworldwideincreasetoashocking

rate?

A)Theyaredevelopingfasterelectricvehicles.

B)Theyareanalyzingroaddeathsoccurringworldwideeveryyear.

C)Theyfocustheirresearchonsafetyandnewfuels.

D)Theyaredesigningfullyautomaticcars.

2.Accordingtothesecondparagraph,mostroadaccidentshappen

A)becausedriversfallasleep.

B)becausedriversmakemistakes.

C)becauseofenginefailure.

D)becauseofspeeding.

3.WhichofthesafetydevelopmentsisNOTmentionedinthepassage?

A)Radarsthatcanhelpdriverstoseeobstaclesinfog.

B)Devicesthatcanhelpdriverstoseethroughbigvehicles.

C)Improvementsinseatbelts,pedalcontrolsandtyres.

D)Windscreensthatcanhelpdriverstoimprovetheirvision.

4.WhatisNOTthepurposeofinnovationsthatusesatellitetrackingandremotecommunications?

A)Topreventcarthievesfromgettingintoyourcar.

B)Tocallforhelpwhenone'scarcrashes.

C)Tocallforhelpwhenthecargetsjammedinthetraffic.

D)Totrackthecardownwhenitisbeingstolen.

5.Whatistrueofroboticdrivers?

A)Itwilltakesometimebeforeroboticdriverscanbeputtopracticaluse

B)Roboticdriversarenotallowedtodriveonbusyroads.

C)Roboticdriverscanneverreplacehumandrivers.

D)Roboticdrivesaretooexpensivetouse.

【答案】CBDCA

第191页

第三十一篇            HurricaneKatrina

Ahurricaneisafiercelypowerful,rotatingformoftropicalstormthatcanbe124to1,240milesindiameter.ThetermhurricaneisderivedfromHurican,thenameofanativeAmericanstormgod.Hurricanesaretypicalofacalmcentralregionoflowpressurebetween12to60milesindiameter,knownastheeye.Theyoccurintropicalregions.Overitslifetime,oneofthesestormscanreleaseasmuchenergyas10,000nuclearbombs.

Theseedforhurricaneformation5isaclusterofthunderstormsoverwarmtropicalwaters.Hurricanescanonlyformandbefedwhenthesea-surfacetemperatureexceeds27℃andthesurroundingatmosphereiscalm.TheserequirementsaremetbetweenJuneandNovemberinthenorthernhemisphere.

Undertheseconditions,largequantitiesofwaterevaporateandcondenseintocloudsandrain-releasingheatintheprocess.Itisthisheatenergy,combinedwiththerotationoftheEarth,thatdrivesahurricane.

Whenthewarmcolumnofairfromtheseasurfacefirstbeginstorise,itcausesanareaoflowpressure.Thisinturncreateswindasairisdrawnintothearea.Thisspinningwinddragsupmoremoisture-ladenairfromtheseasurfaceinaprocessthatswellsthestorm.Coldairfallsbacktotheoceansurfacethroughtheeyeandontheoutsideofthestorm.

Initially,whenwindspeedsreach23milesperhour,thesemild,wetandgreyweathersystemsareknownasdepressions.HurricaneKatrinaformedinthiswayoverthesouth-easternBahamason23August2005.KatrinahashadadevastatingimpactontheGulfCoastoftheUS,leavingadisasterzoneof90,000squaremilesinitswake-almostthesizeoftheUK.ThousandshavebeenkilledorinjuredandmorethanhalfamillionpeoplehavebeendisplacedinahumanitariancrisisofascalenotseenintheUSsincethegreatdepression.Thecostofthe

damagemaytop$100billion.

练习:

1.Whatistheeyeofahurricane?

A)AnativeAmericanstormgod.

B)Arotatingformoftropicalstormthatcanbe124to1240milesindiameter

C)Acalmcentralregionoflowpressurebetween12to60milesindiameter.

D)Astormthatcanreleaseasmuchenergyas10,000nuclearbombs.

2.WhichofthefollowingisNOTthe"requirements"mentionedinthesecondparagraph?

A)Thetropicalwatersarewarmandcalm.

B)Thesea-surfacetemperatureexceeds27~C.

C)Therearethunderstormsoverwarmtropicalwaters.

D)Theatmospheresurroundingtheseaiscalm.

3.Whichofthefollowingisthebestexplanationoftheword"drive"inthethirdparagraph?

A)Toguide,control,ordirect.

B)Toforcetogothroughorpushin/hammerin.

C)Tosupplythemotiveforceorpowerandcausetofunction.

D)Toforcetomoveinaparticulardirection.

4.Whatdoesthewarmairmentionedinthefourthparagraphproducewhenitisrisingfromtheseasurface?

A)Highpressure

B)Lowpressure.

C)Wind.

D)Coldair.

5.WhatisNOTtrueofHurricaneKatrinaaccordingtothelastparagraph?

A)TheareaaffectedisalmostthesizeoftheUK.

B)Itleftadisasterzoneof90,000squaremiles.

C)Halfamillionpeopleareforcedtoleavethearea.

D)Thehumanitariancrisisisasseriousasthatofthegreatdepression

【答案】CACBD

第217页

第四十二篇           RenewableEnergySources

Todaypetroleumprovidesaround40%oftheworld'senergyneeds,mostlyfuellingautomobiles.Coalisstillused,mostlyinpowerstations,tocoverone-quarterofourenergyneeds,butitistheleastefficient,unhealthiestandmostenvironmentallydamagingfossilfuel.Naturalgasreservescouldplugsomeofthegapfromoil,butreservesofthatwillnotlastintothe22ndcenturyeither.Mostexpertspredictwewillexhausteasilyaccessiblereserveswithin50years.

Wecouldfastreachanenergycrisis.Weneedtorapidlydevelopsustainablesolutionstofuelourfuture.Less-pollutingrenewableenergysourcesofferamorepracticallong-termenergysolution.Theymaybenefittheworld'spoortoo."Renewable"referstothefactthattheseresourcesarenotusedfasterthantheycanbereplaced.

TheChineseandRomansusedwatermillsover2000yearsago.ButthefirsthydroelectricdamwasbuiltinEnglandin1870.Hydroelectricpowerisnowthemostcommonformofrenewableenergy,supplyingaround20%ofworldelectricity.China'sThreeGorgesDam,whichhasjustbeencompleted,isthelargestever.AtfivetimesthesizeoftheUS'sHooverDam,its26turbineswillgeneratetheequivalentenergyof18coal-firedpowerstations.Itwillsatisfy3%ofChina'sentireelectricitydemand.Surprisingly,somearguethathydroelectricdamssignificantlycontributegreenhousegases.

In2003,thefirstcommercialpowerstationtoharnesstidalcurrentsintheopenseaopenedinNorway.Itisdesignedlikewindmill,butotherstaketheformofturbines.

Aspricesfall,windpowerhasbecomethefastestgrowingtypeofelectricitygeneration--quadruplingworldwidebetween1999and2005.Modernwindfarmsconsistofturbinesthatgenerateelectricity.Thoughitwillbemoreexpensive,thereismorethanenoughwindtoprovidetheworld'sentireenergyneeds.Windfarmscomeinonshoreandoffshoreforms.Theycanoftenendupatspotsofnaturalbeauty,andareoftenunpopularwithresidents.Andturbinesarenottotallybenign--theycaninterferewithradarandleaveasignificantecologicalfootprint,alteringclimateandkillingseabirds.Migratingbirdsmayhavemoreluckavoidingthem.

ScotlandisbuildingEurope'slargestwindfarm,whichwillpower200,000homes.TheUK'sgoalistogenerateone-fifthofpowerfromrenewablesources,mainlywind,by2020.Butthismaycauseproblems,becausewindisunreliable.

练习:

1.Whataretheenergyresourcesthatarenotrenewableaccordingtothearticle?

A)Petroleumandcoal.

B)Naturalgas.

C)Windandwater.

D)AandB,

2.China'sThreeGorgesDam

A)isthefirsthydroelectricdamintheworld.

B)isofthesamesizeoftheUS'sHooverDam.

C)isthelargestofallthehydroelectricdamsintheworld

D)suppliesaround20%oftheworldelectricity.

3.Whichisthecountrywiththefirstcommercialpowerstationthatmakesuseofoceancurrentsproducedbytides.

A)China.

B)Norway.

C)England,

D)America.

5.Whichofthefollowingstatementsistrueofwindpower?

A)Thereisplentyofwindtoprovidetheworld'sentireenergyneeds

B)Itisthemostr

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