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Customersoftendeferpaymentaslongaspossible.
It’sintheCards Inrecentyearsmoreandmorepeoplehavebeenpayingforthingswithcreditcards.Therearenow565millioncreditcardsworldwidebutitdoesn’tstopthere.Debitcards电子记账卡arebeingissuedbybanksandstorecardsarebeingofferedbymanydepartmentstores.Billsandcoinsaregraduallybeingreplacedby"plasticmoney."Inmanycountriesphonecardshavebeenintroducedforpeopletouseinpayphones.Inadditioncardsmadeofpaperarebeingreplacedbyplasticonesbymanyorganizationsandclubs.Forexampleifyoubelongtoasportsclubyourmembershipcardmaywellbemadeofplastic. HowsafeistheplasticusedtomakethesecardsthoughUntilnowmostcardshavebeenmadefromaplasticcalledPVC.WhilePVCisbeingproducedharmfulchemicalsarereleasedintotheatmosphere.Oneofthemostdangerouschemicalsthatisreleasedisdioxinwhichisknowntocausecancerinhumans.AfurtherproblemisthatwhenaPVCcardisthrownawayitisnotbiodegradable;thismeansthatitdoesnot"breakdown"andcannotberecycled.Obviouslyrecyclingreducespollutionoftheenvironment. TheexecutivedirectoroftheenvironmentalorganizationandcharityGreenpeacePeterMelchettsays"Ifthereisasolutiontothis-andanalternativethenitwouldbemadnessnottouseit."Greenpeacehasfoundasolutionandanalternative.Theirnewcreditcardismadeentirelyfromabiodegradableplasticthatusesplants.Thecardbreaksdowninaroundthreemonthsinsoil;inthiswayitisrecycled.IncontrastaPVCcardlastsforcenturies.Greenpeacehopesthatmanyorganizationswillsoonfollowtheirexampleandissuecardsthatdonotthreatenthepublichealth. Mostcreditcardsarebiodegradable.
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethat"childrenshouldbeseenandnotheard"israrely52andchildrenareoftenallowedtodo53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim54questionandchildrenareencouragedtobe55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom56far.Othersthinkthatastrongfatherimagewouldnot57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto58theirparentalfamiliesbythetimetheyhave59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa60akindofweakdependence. Thispatternofindependenceoftenresultsinserious61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive62theageof70.Thejob-retirementageis6365.Thechildrenhavelefthomemarriedand64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes.65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup. 62
{{*HTML*}}A.toomuchenergyB.basedonAmericandesignsC.theyaretoocostlyD.theyarenotreliableE.qualitycontrolF.freeofchargeEventhemostsophisticatedJapaneserobotsare__________.
{{*HTML*}}A.modified??B.increased??C.personalized??D.browsed??E.distributed??F.releasedInApril2010theiPaddevelopedbyApplewas______.
ElectronicTeachingThepotentialofclosed-circuittelevisionandothernewelectronicteachingtoolsissogreatthatitisfascinatingtovisualizetheschooloftomorrowTelevisedlessonswilloriginatefromacentralbuildinghavingperhapsfourorfivemasterstudios.Thelessonswillbecarriedintoclassroomsalloveracityorevenanentirecountry.Afteratelevisedlessonhasbeengiventheclassroomteacherwilltakeoverfortheall-importantfollow-upperiod.Thestudentswillaskanytroublesomequestionsanddifficultpointswillbeclearedupthroughdiscussion.Theteacherintheclassroomwillhaveadditionalelectronictools.Ontheteacher’sdeskthetraditionalchalkanderaserswillhavebeenreplacedbyamultiple-controlpanelandmagnetictapeplayer.Thetapemachineswillrunpre-recordedlessonswhichpupilswillfollowbyheadphones.Thelessonswillbespecificallygearedtothestudents’levelsofability.Forinstancewhiletheclassasawholestudieshistoryeachstudentwillreceiveanindividualhistorylessondirectedtohisparticularlevelofability.Shouldquestionarisethestudentswillbeabletotalkdirectlytotheteacheronindividualintercomswithoutdisturbingtherestoftheclass.Inthiswaytheteacherwillbeabletoconductasmanyasthreeclassesatthesametime.Withtherapiddevelopmentofcomputersciencestudentswillbeaidedwithspeciallypreparedmultimediasoftwaretostudytheirsubjectsbetter.Homeworkwillpossiblybeassignedandhandedinviaelectronicmailsystem.Studentscaneventakeexaminationsontheircomputerlinkedwiththeteacher’sandgetthescoreinstantly.Theywillgetcertificatesordiplomasiftheypassalltherequiredexaminations.Expertsbelievethatthistypeofeducationwillbeverypopularintheyearsahead.Inthefollowingstatementswhichonewillnothappeninthetelevisedlesson
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethat"childrenshouldbeseenandnotheard"israrely52andchildrenareoftenallowedtodo53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim54questionandchildrenareencouragedtobe55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom56far.Othersthinkthatastrongfatherimagewouldnot57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto58theirparentalfamiliesbythetimetheyhave59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa60akindofweakdependence. Thispatternofindependenceoftenresultsinserious61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive62theageof70.Thejob-retirementageis6365.Thechildrenhavelefthomemarriedand64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes.65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup. 56
InspectingaUsedCar Thescariestpartofbuyingausedcarisnotbeingcompletelysureofwhatconditionit’sin.Acarthat’sbeeninamajoraccidentisalwaysabiggerriskbutsellersoftentrytohidethisinformation.AndrewBleakleyevaluator-inspectorrunsamobilevehicleinspectionserviceinMontreal.Forabout$80hewillperformafullunbiasedinspectiononausedvehicle’.Inhis10yearsasaprofessionalinspectorBleakl’eyhasseenalot.Hewarns."Watchoutfordealerdemonstrationvehicleswhichareusednotnew.Theymayhavebeeninacollision."HeaddsthatitisnotuncommoninOntarioandQuebecespeciallyforunscrupuloussellerstorollbacktheodometerortoevendisengageit.Bleakieyhasspecialtoolstocheckforthis. Bleakleyalwaysrecommendshiringallindependenttechniciantoinspecttheconditionofa.usedcarbeforeyoubuyit.Theproblemisfindingsomeonequalifiedtodotheinspection.Whichhesaysgenerallydoesn’tmeanjustanymechanic.Athoroughmechanicalinspectionincludescheckingthecompressionallmajorsystemsincludingtheengineelectricalandchargingsystemstransmissionanddrivelinefluidsbrakessuspensionandsteering.Essentialtooisallinspectionofthecar’sbodyandfinallyaroadtest.Therearehoweverafewthingseveryonecandobeforebuyingausedcar: Doavisualcheckofthecar.Lookattherightreardoorhinges.Iftheyareverywornorthedoordoesn’tclosewellthecarmayhavebeenusedasataxi.Holesintheroofcouldmeanthecarwasusedfordeliveries. Checkforoilleaksonthepavement.Notethatleaksarenotnecessarilyasignificantproblem—itdependsonthecause. Don’tassumethatnewlookingbrakeandacceleratorpedalsmeanthecarhash’tbeendrivenmuch.Resellersknowpeoplecheckthesedetailsandcanbuynewpadsforaround$6. Copydownthevehicle’identificationnumberVIN.a17-charactercombinationofnumbersandlettersfromthevehicle’sdashboard.InOntadoaskthedealerorsellerfortheUsedVehicleInformationPackage.Thisgivesdetailsofpreviousownersanyoutstandingliensonthecarandthefairmarketvalueofthevehicle. collisionn.碰撞碰撞事故odometern.里程表compressionn.压缩压缩量pedaln.踏脚lienn.扣押权unscrupulousadj.不择手段的disengagev.松开使脱离transmissionn.传输suspensionn.悬架hingen.铰链dashboardn.仪表板 Allofthefollowingarementionedastrickswhichdishonestsecond-handcardealersmayplayupontheircustomersEXCEPT
{{*HTML*}}A.modified??B.increased??C.personalized??D.browsed??E.distributed??F.releasediPadapplicationsenabletheowner’semailaccountstobe______.
It’sintheCards Inrecentyearsmoreandmorepeoplehavebeenpayingforthingswithcreditcards.Therearenow565millioncreditcardsworldwidebutitdoesn’tstopthere.Debitcards电子记账卡arebeingissuedbybanksandstorecardsarebeingofferedbymanydepartmentstores.Billsandcoinsaregraduallybeingreplacedby"plasticmoney."Inmanycountriesphonecardshavebeenintroducedforpeopletouseinpayphones.Inadditioncardsmadeofpaperarebeingreplacedbyplasticonesbymanyorganizationsandclubs.Forexampleifyoubelongtoasportsclubyourmembershipcardmaywellbemadeofplastic. HowsafeistheplasticusedtomakethesecardsthoughUntilnowmostcardshavebeenmadefromaplasticcalledPVC.WhilePVCisbeingproducedharmfulchemicalsarereleasedintotheatmosphere.Oneofthemostdangerouschemicalsthatisreleasedisdioxinwhichisknowntocausecancerinhumans.AfurtherproblemisthatwhenaPVCcardisthrownawayitisnotbiodegradable;thismeansthatitdoesnot"breakdown"andcannotberecycled.Obviouslyrecyclingreducespollutionoftheenvironment. TheexecutivedirectoroftheenvironmentalorganizationandcharityGreenpeacePeterMelchettsays"Ifthereisasolutiontothis-andanalternativethenitwouldbemadnessnottouseit."Greenpeacehasfoundasolutionandanalternative.Theirnewcreditcardismadeentirelyfromabiodegradableplasticthatusesplants.Thecardbreaksdowninaroundthreemonthsinsoil;inthiswayitisrecycled.IncontrastaPVCcardlastsforcenturies.Greenpeacehopesthatmanyorganizationswillsoonfollowtheirexampleandissuecardsthatdonotthreatenthepublichealth. Theplasticusedincreditcardsisfairlysafe.
Heenduredgreatpainbeforehefinallyexpired.
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethat"childrenshouldbeseenandnotheard"israrely52andchildrenareoftenallowedtodo53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim54questionandchildrenareencouragedtobe55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom56far.Othersthinkthatastrongfatherimagewouldnot57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto58theirparentalfamiliesbythetimetheyhave59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa60akindofweakdependence. Thispatternofindependenceoftenresultsinserious61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive62theageof70.Thejob-retirementageis6365.Thechildrenhavelefthomemarriedand64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes.65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup. 54
ElectronicTeachingThepotentialofclosed-circuittelevisionandothernewelectronicteachingtoolsissogreatthatitisfascinatingtovisualizetheschooloftomorrowTelevisedlessonswilloriginatefromacentralbuildinghavingperhapsfourorfivemasterstudios.Thelessonswillbecarriedintoclassroomsalloveracityorevenanentirecountry.Afteratelevisedlessonhasbeengiventheclassroomteacherwilltakeoverfortheall-importantfollow-upperiod.Thestudentswillaskanytroublesomequestionsanddifficultpointswillbeclearedupthroughdiscussion.Theteacherintheclassroomwillhaveadditionalelectronictools.Ontheteacher’sdeskthetraditionalchalkanderaserswillhavebeenreplacedbyamultiple-controlpanelandmagnetictapeplayer.Thetapemachineswillrunpre-recordedlessonswhichpupilswillfollowbyheadphones.Thelessonswillbespecificallygearedtothestudents’levelsofability.Forinstancewhiletheclassasawholestudieshistoryeachstudentwillreceiveanindividualhistorylessondirectedtohisparticularlevelofability.Shouldquestionarisethestudentswillbeabletotalkdirectlytotheteacheronindividualintercomswithoutdisturbingtherestoftheclass.Inthiswaytheteacherwillbeabletoconductasmanyasthreeclassesatthesametime.Withtherapiddevelopmentofcomputersciencestudentswillbeaidedwithspeciallypreparedmultimediasoftwaretostudytheirsubjectsbetter.Homeworkwillpossiblybeassignedandhandedinviaelectronicmailsystem.Studentscaneventakeexaminationsontheircomputerlinkedwiththeteacher’sandgetthescoreinstantly.Theywillgetcertificatesordiplomasiftheypassalltherequiredexaminations.Expertsbelievethatthistypeofeducationwillbeverypopularintheyearsahead.Inparagraphonewhatdoestheschooloftomorrowmean
Haveyoutalkedtoherlately
Ihavebeentryingtogiveupsmoking.
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethat"childrenshouldbeseenandnotheard"israrely52andchildrenareoftenallowedtodo53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim54questionandchildrenareencouragedtobe55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom56far.Othersthinkthatastrongfatherimagewouldnot57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto58theirparentalfamiliesbythetimetheyhave59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa60akindofweakdependence. Thispatternofindependenceoftenresultsinserious61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive62theageof70.Thejob-retirementageis6365.Thechildrenhavelefthomemarriedand64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes.65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup. 60
SugarPowerforCellPhonesUsingenzymescommonlyfoundinlivingcellsanewtypeoffuelcellproducessmallamountsofelectricityfromsugar.Ifthetechnologyisabletosucceedinmassproductionyoumaysomedayshareyoursweetdrinkswithyourcellphone.Infuelcellschemicalreactionsgenerateelectricalcurrents.Theprocessusuallyreliesonpreciousmetalssuchasplatinum.Inlivingcellsenzymesperformasimilarjobbreakingdownsugarstoobtainelectronsandproduceenergy.WhenresearcherspreviouslyusedenzymesinfuelcellstheyhadtroublekeepingthemactivesaysShelleyD.MinteerofStLouisUniversity.Whereasbiologicalcellscontinuallyproducefreshenzymesthere’snomechanisminfuelcellstoreplaceenzymesastheyquicklydegrade.MinteerandTamaraKlotzbachalsoofStLouisUniversityhavenowdevelopedpolymersthatwraparoundanenzymeandpreserveitinamicroscopicpocket.WetailorthesepocketstoprovidetheidealmicroenvironmentfortheenzymeMinteersays.Thepolymerskeeptheenzymeactiveformonthsinsteadofdays.Inthenewfuelcelltinypolymerbagsofenzymeareembeddedinamembranethatcoatsoneoftheelectrodes.Whenglucosefromasugaryliquidgetsintoapockettheenzymeoxidizesitreleasingelectronsandprotons.Theelectronscrossthemembraneandenterawirethroughwhichtheytraveltotheotherelectrodewheretheyreactwithoxygenintheatmospheretoproducewater.Theflowofelectronsthroughthewireconstitutesanelectricalcurrentthatcangeneratepower.Sofarthenewfuelcellsdon’tproducemuchpowerbutthefactthattheyworkatallisexcitingsaysPaulKenisachemicalengineerattheUniversityofIllinoisatUrhana-Champaign.JustgettingittoworkKenissaysisamajoraccomplishment.Sugar-eatingfuelcellscouldbeanefficientwaytomakeelectricity.Sugariseasytofind.Andthenewfuelcellsthatrunonitarebiodegradablesothetechnologywouldn’thurttheenvironment.Thescientistsarenowtryingtousedifferentenzymesthatwillgetmorepowerfromsugar.Theypredictthatpopularproductsmaybeusingthenewtechnologyinaslittleas3years.AccordingtothelastparagraphwhatisNOTtrueofthenewfuelcells
{{*HTML*}}RuiningtheRuins??Acidrain酸雨isnowafamiliarproblemintheindustrializedcountriesinEurope.Harmfulgasesareproducedbypowerstationsandcars.Theydissolveinrainwaterandthismakesacidrainwhichdamagestreesriversandstreams.??Acidrainisalsocapableofdissolvingsomerocks.Andbuildingsmadeofsoftrocksuchaslimestone石灰石areparticularlybadlyaffected.Theacidrainattackstherockandsocarvingsandstatuesareeroded受腐蚀morequickly.???46?AccordingtoareportintheNewScientistacidrainisbeingblamedfortherapiddecayofancientruinsinMexico.TheoldlimestonebuildingsinplaceslikeChichenItzaTulumandPalenquearewearingawayveryquicklyindeed.ThesesitesaretheremainsofthebuildingsbuiltbytheMayasbetween250BCandAD900andthespectacularruinsofMayancivilizationarevisitedbythousandsoftouristseveryyear.??Butthoseruinsareindangerofbeingseriouslydamagedbypollution.Atmanysitesthestonehasbeencoveredwithalayerofblacksubstance.?47?.??Scientistsestimatethataboutonemillimeterofstoneiswornawayeverytwelveyears.?48?TheacidrainissaidtobecausedbypollutionfromoilwellsintheGulfofMexico.Carexhaustgasesarealsoaproblem.Localvolcaniceruptionsmaketheproblemevenworse.Neverthelesswithenoughmoneyandeffortresearcherssaythatmanyoftheproblemscouldbesolvedandtherateoferosionreduced.?49?.??Mexico’scurrentlackoffundsisalsopartlyduetooil.ThecountryhasrichoilfieldsandafewyearsagowhenoilwasexpensiveMexicowassellinglargequantitiesofoiltotheUSAandearningalotofmoney.?50?HoweverthepriceofoilthendroppedandMexicohasbeenleftowingenormoussumsofmoneyandwithnotenoughincomefromoilsalestopaybacktheloans.SounlessthepriceofoilrisesitisunlikelythatMexicowillbeabletoaffordtocleanupthepollutionandsaveitsMayanruinsfromdestruction.??A.Atothersthepaintedsurfacesinsidetemplesareliftingandflakingoffandthestoneisbeingeatenaway.??B.Thatisenoughtohavecausedsomeoftheancientcarvingstobecomeseriouslydamagedalready.??C.Thesemeasureswouldreducethepollutionbutwouldnotstopitcompletely.??D.Thegovernmentwasthereforeabletoborrowhugesumsofmoneyfrombanksaroundtheworldthinkingtheywouldhavenoproblemrepayingtheirdebts.??E.TheproblemhoweverisnotjustaEuropeanone.??F.HowevertheMexicangovernmentdoesnothaveenoughmoneytodotheworkandneedstospendwhatmoneyithasontheMexicanpeople.
EverybodywasgladtoseeMaryback.
It’sintheCards Inrecentyearsmoreandmorepeoplehavebeenpayingforthingswithcreditcards.Therearenow565millioncreditcardsworldwidebutitdoesn’tstopthere.Debitcards电子记账卡arebeingissuedbybanksandstorecardsarebeingofferedbymanydepartmentstores.Billsandcoinsaregraduallybeingreplacedby"plasticmoney."Inmanycountriesphonecardshavebeenintroducedforpeopletouseinpayphones.Inadditioncardsmadeofpaperarebeingreplacedbyplasticonesbymanyorganizationsandclubs.Forexampleifyoubelongtoasportsclubyourmembershipcardmaywellbemadeofplastic. HowsafeistheplasticusedtomakethesecardsthoughUntilnowmostcardshavebeenmadefromaplasticcalledPVC.WhilePVCisbeingproducedharmfulchemicalsarereleasedintotheatmosphere.Oneofthemostdangerouschemicalsthatisreleasedisdioxinwhichisknowntocausecancerinhumans.AfurtherproblemisthatwhenaPVCcardisthrownawayitisnotbiodegradable;thismeansthatitdoesnot"breakdown"andcannotberecycled.Obviouslyrecyclingreducespollutionoftheenvironment. TheexecutivedirectoroftheenvironmentalorganizationandcharityGreenpeacePeterMelchettsays"Ifthereisasolutiontothis-andanalternativethenitwouldbemadnessnottouseit."Greenpeacehasfoundasolutionandanalternative.Theirnewcreditcardismadeentirelyfromabiodegradableplasticthatusesplants.Thecardbreaksdowninaroundthreemonthsinsoil;inthiswayitisrecycled.IncontrastaPVCcardlastsforcenturies.Greenpeacehopesthatmanyorganizationswillsoonfollowtheirexampleandissuecardsthatdonotthreatenthepublichealth. ThenewGreenpeacecardbreaksdowninafewmonths.
HaveyoumetTomrecently
{{*HTML*}}RuiningtheRuins??Acidrain酸雨isnowafamiliarproblemintheindustrializedcountriesinEurope.Harmfulgasesareproducedbypowerstationsandcars.Theydissolveinrainwaterandthismakesacidrainwhichdamagestreesriversandstreams.??Acidrainisalsocapableofdissolvingsomerocks.Andbuildingsmadeofsoftrocksuchaslimestone石灰石areparticularlybadlyaffected.Theacidrainattackstherockandsocarvingsandstatuesareeroded受腐蚀morequickly.???46?AccordingtoareportintheNewScientistacidrainisbeingblamedfortherapiddecayofancientruinsinMexico.TheoldlimestonebuildingsinplaceslikeChichenItzaTulumandPalenquearewearingawayveryquicklyindeed.ThesesitesaretheremainsofthebuildingsbuiltbytheMayasbetween250BCandAD900andthespectacularruinsofMayancivilizationarevisitedbythousandsoftouristseveryyear.??Butthoseruinsareindangerofbeingseriouslydamagedbypollution.Atmanysitesthestonehasbeencoveredwithalayerofblacksubstance.?47?.??Scientistsestimatethataboutonemillimeterofstoneiswornawayeverytwelveyears.?48?TheacidrainissaidtobecausedbypollutionfromoilwellsintheGulfofMexico.Carexhaustgasesarealsoaproblem.Localvolcaniceruptionsmaketheproblemevenworse.Neverthelesswithenoughmoneyandeffortresearcherssaythatmanyoftheproblemscouldbesolvedandtherateoferosionreduced.?49?.??Mexico’scurrentlackoffundsisalsopartlyduetooil.ThecountryhasrichoilfieldsandafewyearsagowhenoilwasexpensiveMexicowassellinglargequantitiesofoiltotheUSAandearningalotofmoney.?50?HoweverthepriceofoilthendroppedandMexicohasbeenleftowingenormoussumsofmoneyandwithnotenoughincomefromoilsalestopaybacktheloans.SounlessthepriceofoilrisesitisunlikelythatMexicowillbeabletoaffordtocleanupthepollutionandsaveitsMayanruinsfromdestruction.??A.Atothersthepaintedsurfacesinsidetemplesareliftingandflakingoffandthestoneisbeingeatenaway.??B.Thatisenoughtohavecausedsomeoftheancientcarvingstobecomeseriouslydamagedalready.??C.Thesemeasureswouldreducethepollutionbutwouldnotstopitcompletely.??D.Thegovernmentwasthereforeabletoborrowhugesumsofmoneyfrombanksaroundtheworldthinkingtheywouldhavenoproblemrepayingtheirdebts.??E.TheproblemhoweverisnotjustaEuropeanone.??F.HowevertheMexicangovernmentdoesnothaveenoughmoneytodotheworkandneedstospendwhatmoneyithasontheMexicanpeople.
Anewsystemofqualitycontrolwasbroughtintoovercomethedefectsinthefirm'sproducts.
{{*HTML*}}A.toomuchenergyB.basedonAmericandesignsC.theyaretoocostlyD.theyarenotreliableE.qualitycontrolF.freeofchargeOnedisadvantageofusingrobotsisthattheyconsume___________.
{{*HTML*}}RuiningtheRuins??Acidrain酸雨isnowafamiliarproblemintheindustrializedcountriesinEurope.Harmfulgasesareproducedbypowerstationsandcars.Theydissolveinrainwaterandthismakesacidrainwhichdamagestreesriversandstreams.??Acidrainisalsocapableofdissolvingsomerocks.Andbuildingsmadeofsoftrocksuchaslimestone石灰石areparticularlybadlyaffected.Theacidrainattackstherockandsocarvingsandstatuesareeroded受腐蚀morequickly.???46?AccordingtoareportintheNewScientistacidrainisbeingblamedfortherapiddecayofancientruinsinMexico.TheoldlimestonebuildingsinplaceslikeChichenItzaTulumandPalenquearewearingawayveryquicklyindeed.ThesesitesaretheremainsofthebuildingsbuiltbytheMayasbetween250BCandAD900andthespectacularruinsofMayancivilizationarevisitedbythousandsoftouristseveryyear.??Butthoseruinsareindangerofbeingseriouslydamagedbypollution.Atmanysitesthestonehasbeencoveredwithalayerofblacksubstance.?47?.??Scientistsestimatethataboutonemillimeterofstoneiswornawayeverytwelveyears.?48?TheacidrainissaidtobecausedbypollutionfromoilwellsintheGulfofMexico.Carexhaustgasesarealsoaproblem.Localvolcaniceruptionsmaketheproblemevenworse.Neverthelesswithenoughmoneyandeffortresearcherssaythatmanyoftheproblemscouldbesolvedandtherateoferosionreduced.?49?.??Mexico’scurrentlackoffundsisalsopartlyduetooil.ThecountryhasrichoilfieldsandafewyearsagowhenoilwasexpensiveMexicowassellinglargequantitiesofoiltotheUSAandearningalotofmoney.?50?HoweverthepriceofoilthendroppedandMexicohasbeenleftowingenormoussumsofmoneyandwithnotenoughincomefromoilsalestopaybacktheloans.SounlessthepriceofoilrisesitisunlikelythatMexicowillbeabletoaffordtocleanupthepollutionandsaveitsMayanruinsfromdestruction.??A.Atothersthepaintedsurfacesinsidetemplesareliftingandflakingoffandthestoneisbeingeatenaway.??B.Thatisenoughtohavecausedsomeoftheancientcarvingstobecomeseriouslydamagedalready.??C.Thesemeasureswouldreducethepollutionbutwouldnotstopitcompletely.??D.Thegovernmentwasthereforeabletoborrowhugesumsofmoneyfrombanksaroundtheworldthinkingtheywouldhavenoproblemrepayingtheirdebts.??E.TheproblemhoweverisnotjustaEuropeanone.??F.HowevertheMexicangovernmentdoesnothaveenoughmoneytodotheworkandneedstospendwhatmoneyithasontheMexicanpeople.
InspectingaUsedCar Thescariestpartofbuyingausedcarisnotbeingcompletelysureofwhatconditionit’sin.Acarthat’sbeeninamajoraccidentisalwaysabiggerriskbutsellersoftentrytohidethisinformation.AndrewBleakleyevaluator-inspectorrunsamobilevehicleinspectionserviceinMontreal.Forabout$80hewillperformafullunbiasedinspectiononausedvehicle’.Inhis10yearsasaprofessionalinspectorBleakl’eyhasseenalot.Hewarns."Watchoutfordealerdemonstrationvehicleswhichareusednotnew.Theymayhavebeeninacollision."HeaddsthatitisnotuncommoninOntarioandQuebecespeciallyforunscrupuloussellerstorollbacktheodometerortoevendisengageit.Bleakieyhasspecialtoolstocheckforthis. Bleakleyalwaysrecommendshiringallindependenttechniciantoinspecttheconditionofa.usedcarbeforeyoubuyit.Theproblemisfindingsomeonequalifiedtodotheinspection.Whichhesaysgenerallydoesn’tmeanjustanymechanic.Athoroughmechanicalinspectionincludescheckingthecompressionallmajorsystemsincludingtheengineelectricalandchargingsystemstransmissionanddrivelinefluidsbrakessuspensionandsteering.Essentialtooisallinspectionofthecar’sbodyandfinallyaroadtest.Therearehoweverafewthingseveryonecandobeforebuyingausedcar: Doavisualcheckofthecar.Lookattherightreardoorhinges.Iftheyareverywornorthedoordoesn’tclosewellthecarmayhavebeenusedasataxi.Holesintheroofcouldmeanthecarwasusedfordeliveries. Checkforoilleaksonthepavement.Notethatleaksarenotnecessarilyasignificantproblem—itdependsonthecause. Don’tassumethatnewlookingbrakeandacceleratorpedalsmeanthecarhash’tbeendrivenmuch.Resellersknowpeoplecheckthesedetailsandcanbuynewpadsforaround$6. Copydownthevehicle’identificationnumberVIN.a17-charactercombinationofnumbersandlettersfromthevehicle’sdashboard.InOntadoaskthedealerorsellerfortheUsedVehicleInformationPackage.Thisgivesdetailsofpreviousownersanyoutstandingliensonthecarandthefairmarketvalueofthevehicle. collisionn.碰撞碰撞事故odometern.里程表compressionn.压缩压缩量pedaln.踏脚lienn.扣押权unscrupulousadj.不择手段的disengagev.松开使脱离transmissionn.传输suspensionn.悬架hingen.铰链dashboardn.仪表板 AccordingtoBleaklybeforebuyingausedcaralltheinspectionworkcan.
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethat"childrenshouldbeseenandnotheard"israrely52andchildrenareoftenallowedtodo53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim54questionandchildrenareencouragedtobe55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom56far.Othersthinkthatastrongfatherimagewouldnot57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto58theirparentalfamiliesbythetimetheyhave59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa60akindofweakdependence. Thispatternofindependenceoftenresultsinserious61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive62theageof70.Thejob-retirementageis6365.Thechildrenhavelefthomemarriedand64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes.65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup. 58
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethat"childrenshouldbeseenandnotheard"israrely52andchildrenareoftenallowedtodo53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim54questionandchildrenareencouragedtobe55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom56far.Othersthinkthatastrongfatherimagewouldnot57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto58theirparentalfamiliesbythetimetheyhave59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa60akindofweakdependence. Thispatternofindependenceoftenresultsinserious61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive62theageof70.Thejob-retirementageis6365.Thechildrenhavelefthomemarriedand64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes.65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup. 52
TheAmericanFamily IntheAmericanfamilythehusbandandwifeusuallyshareimportantdecisionmaking.Whenthechildrenare51enoughtheytakepartaswell.Foreignersareoftensurprisedbythepermissiveness宽容ofAmericanparents.Theoldrulethat"childrenshouldbeseenandnotheard"israrely52andchildrenareoftenallowedtodo53theywishwithoutstrictcontroloftheirparents.Thefatherseldomexpectshischildrentolistentohim54questionandchildrenareencouragedtobe55atanearlyage.SomepeoplebelievethatAmericanparentscarrythisfreedom56far.Othersthinkthatastrongfatherimagewouldnot57theAmericanvaluesofequalityandindependence.BecauseAmericansemphasizetheimportanceofindependenceyoungpeopleareexpectedto58theirparentalfamiliesbythetimetheyhave59theirlateteensorearlytwenties.Indeednottodosoisoftenregardedasa60akindofweakdependence. Thispatternofindependenceoftenresultsinserious61fortheagingparentsofasmallfamily.TheaverageAmericanisexpectedtolive62theageof70.Thejob-retirementageis6365.Thechildrenhavelefthomemarriedand64theirownhouseholds.Atleast20percentofallpeopleover65donothaveenoughretirementincomes.65themajorproblemofmanyelderlycouplesisnoteconomic.Theyfeeluselessandlonelywithneitheranoccupationnoraclosefamilygroup. 64
Wewerealltherewhentheaccidentoccurred.
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