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? ?下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提的是正确信息，请选择A；如果该句提是错误信息，请选择B；如果该句的信息文中没有提及，请选择C。 ?...
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{{*HTML*}}? ?下面打3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项山选择1个最佳答案{{B}}第一篇{{/B}} {{B}}??????? ???????SaltyRicePlantBoosts Harvests{{/B}}??Britishscientistsarebreedinganewgenerationof riceplantsthatwillbeabletogrowinsoilcontainingsaltwater.Theirwork mayenableabandonedfarmstobecomeproductiveoncemore.??Tim FlowersandTonyYeofromSussexUniversity’sSchoolofBiologicalSciences havespentseveralyearsresearchinghowcropssuchasricecouldbemadeto growinwaterthathasbecomesalty.??Thepairhaverecently begunathree-yearprogrammefundedbytheBiotechnologyandBiological SciencesResearchCounciltoestablishwhichgenesenablesomeplantsto survivesaltyconditions.Theaimistobreedthiscapabilityintocrops startingwithrice.??Itisestimatedthateachyearmorethan10m hectares公顷ofagriculturallandarelostbecausesaltgetsintothesoiland stunts妨碍生长plants.Theproblemiscausedbyseveralfactors.Inthetropics mangroves红树林thatcreateswamps沼泽andtraditionallyformedbarrierstosea waterhavebeencutdown.IntheMediterraneanaseriesofdroughtshavecaused thewatertabletodropallowingseawatertoseep渗透in.InLatinAmerica irrigationoftencausesproblemswhenwaterisevaporated蒸发bytheheat leavingsaltdepositsbehind.??Excesssaltthenenterstheplants andpreventsthemfunctioningnormally.Heavyconcentrationsofmineralsinthe plantsstopthemdrawingupthewatertheyneedtosurvive.??To overcometheseproblemsFlowersandYeodecidedtobreedriceplantsthattake inverylittlesaltandstorewhattheydoabsorbincellsthatdonotaffect theplants’growth.Theyhavestartedtobreedthesecharacteristicsintoanew ricecropbutitwilltakeabouteightharvestsbeforetheresultingseedsare readytobeconsideredforcommercialuse.??Oncethe characteristicsforsurvivingsaltysoilareknownFlowersandYeowilltryto breedtheappropriategenesintoallmannersofcropsandplants.Landthathas beenabandonedtonaturewillthenbeabletobloomagainprovidingmuchneeded foodinthepoorercountriesoftheworld.WhichofthefollowingisNOTmentionedasacauseoftheproblemdiscussedinthepassage?
{{*HTML*}}{{B}}第三篇{{/B}} ??????? ??????????{{B}}The BodyClock{{/B}}??WhyisitthatflyingtoNewYorkfromLondon willleaveyoufeelinglesstiredthanflyingtoLondonfromNewYork?The answermaybeaclearcaseofbiologynotbeingabletokeepupwith technology.??Deepinsidethebrainthereisaclockthat governseveryaspectofthebody’sfunctioning:sleepandwakecycleslevelsof alertnessperformancemoodhormonelevelsdigestionbodytemperatureandso on.Itregulatesallofthesefunctionsona24-hourbasisandiscalledthe biologicalclock.??Thisbodyclockprogrammesustobesleepy twiceadaybetween3-5amandagainbetween3-5pm.Afternoonteaandnapare allculturalresponsestoournaturalbiologicalsleepinessinthe afternoon.??Oneofthemajorcausesofthetravellers’malady knownasjetlagisthenon-alignmentofaperson’sinternalbodyclockwith clocksintheexternalworld.Crossingdifferenttimezonesconfusesthe biologicalclockwhichthenhastoadjusttothenewtimeandpatternsoflight andactivity.Tomakemattersmorecomplexnotallinternalbodyfunctions adjustatthesamerate.Soyoursleep/wakemayadjusttoanewtimezoneatone ratewhileyourtemperatureadjustsatadifferentpace.Yourdigestionmaybe onadifferentschedulealtogether.??Thoughweliveina24-hour daythenaturaltendencyofthebodyclockistoextendourdaybeyond24 hours.Itiscontrarytoourbiologicalprogrammingtoshrinkour day.??Thatiswhytravelinginawestwarddirectionismore body-clockfriendlythanflyingeast.NASAstudiesoflonghaulpilotsshowed thatwestwardtravelwasassociatedwithsignificantlybettersleepquantityand qualitythaneastwardflights.??Whenflyingwestyouare extendingyourdaythustravelinginthenaturaldirectionofyourinternal clock.Flyingeastwardwillinvolveshrinking’orreducingyourdayandisin directoppositiontoyourinternalclock’snaturaltendency.??One ofthemorecommoncomplaintsoftravelersisthattheirsleepbecomes disrupted.Therearemanyreasonsforthis:changingtimezonesandschedules changinglightandactivitylevelstryingtosleepwhenyourbodyclockis programmedtobeawakedisruptionoftheinternalbiologicalclockandworking longerhours.??Itisoftensuggestedthatyouadjustyourwatch assoonasyouboardaplanesupposedlytotrytohelpyouadjusttoyour destination’sscheduleassoonasyouarrive.Butitcantakethebodyclock severaldaystoseveralweekstofullyadjusttoanewtimezone.? ?Soourbodyclocktrulycangovernus.Flyinginawestwarddirectionwill
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ??????????{{B}}Science andTruth{{/B}}??FINAGLE欺骗isnotawordthatmostpeople associatewithscience.Onereasonisthattheimageofthescientistisofone whoalways{{U}}?51?{{/U}}datainanimpartial不偏不倚的searchfor truth~Inanydebate--{{U}}?52?{{/U}}intelligenceschoolingenergy --thephrasesciencesaysusuallydisarmsopposition.??But scientistshavelongacknowledgedtheexistenceofafinaglefactor--a tendencybymanyscientiststogiveahelpfulchangetothedatato{{U}} ?53?{{/U}}desiredresults.Thelatestofthefinaglefactorin actioncomesfromStephenJayGouldaHarvardbiologistwhohas{{U}}?54 ?{{/U}}theimportant19thcenturyworkofDr.SamuelGeorgeMorton.Morton wasfamousinhistimeforanalysingthebrain{{U}}?55?{{/U}}ofthe skullsasameasureofintelligence.Heconcludedthatwhiteshadthelargest brainsthatthebrainsofIndiansandblacksweresmallerand{{U}}?56 ?{{/U}}thatwhitesconstituteasuperiorrace.??Gouldwent backtoMorton’soriginaldataandconcludedthatthe{{U}}?57?{{/U}} wereanexampleofthefinagleatwork.HefoundthatMorton’sdiscoverywas madebyleavingoutembarrassingdata{{U}}?58?{{/U}}incorrect proceduresandchanginghiscriteria--againalwaysinfavourofhis argument.Mortonhasbeenthoroughlydiscreditedbynowandscientistsdonot believethatbrainsizereflects{{U}}?59?{{/U}}.??But GouldwentontosayMorton’sstoryisonlyanexampleofacommonproblemin {{U}}?60?{{/U}}work.Someoftheleadingfiguresinscienceare{{U}} ?61?{{/U}}tohaveusedthefinaglefactor.GouldsaysthatIsaac Newtonfudgedout捏造tosupportatleastthreecentralstatementsthathe couldnotprove.Andso{{U}}?62?{{/U}}LaudiusPtolemytheGreek astronomerwhosemasterworkAlmagestsummedupthecaseforasolarsystem thathadtheearthasitscentre.Recent{{U}}?63?{{/U}}indicatethat Ptolemyeitherfakedsomekeydataorresortedheavilytothefinagle factor.??Allthisisimportantbecausethefinaglefactoris stillatwork.Forexampleintheartificialsweetenercontroversyfor exampleitis{{U}}?64?{{/U}}thatallthestudiessponsoredbythe sugarindustryfindthattheartificialsweetenerisunsafe{{U}}?65 ?{{/U}}allthestudiessponsoredbythedietfoodindustryfindnothingwrong withit.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ??????????{{B}}Science andTruth{{/B}}??FINAGLE欺骗isnotawordthatmostpeople associatewithscience.Onereasonisthattheimageofthescientistisofone whoalways{{U}}?51?{{/U}}datainanimpartial不偏不倚的searchfor truth~Inanydebate--{{U}}?52?{{/U}}intelligenceschoolingenergy --thephrasesciencesaysusuallydisarmsopposition.??But scientistshavelongacknowledgedtheexistenceofafinaglefactor--a tendencybymanyscientiststogiveahelpfulchangetothedatato{{U}} ?53?{{/U}}desiredresults.Thelatestofthefinaglefactorin actioncomesfromStephenJayGouldaHarvardbiologistwhohas{{U}}?54 ?{{/U}}theimportant19thcenturyworkofDr.SamuelGeorgeMorton.Morton wasfamousinhistimeforanalysingthebrain{{U}}?55?{{/U}}ofthe skullsasameasureofintelligence.Heconcludedthatwhiteshadthelargest brainsthatthebrainsofIndiansandblacksweresmallerand{{U}}?56 ?{{/U}}thatwhitesconstituteasuperiorrace.??Gouldwent backtoMorton’soriginaldataandconcludedthatthe{{U}}?57?{{/U}} wereanexampleofthefinagleatwork.HefoundthatMorton’sdiscoverywas madebyleavingoutembarrassingdata{{U}}?58?{{/U}}incorrect proceduresandchanginghiscriteria--againalwaysinfavourofhis argument.Mortonhasbeenthoroughlydiscreditedbynowandscientistsdonot believethatbrainsizereflects{{U}}?59?{{/U}}.??But GouldwentontosayMorton’sstoryisonlyanexampleofacommonproblemin {{U}}?60?{{/U}}work.Someoftheleadingfiguresinscienceare{{U}} ?61?{{/U}}tohaveusedthefinaglefactor.GouldsaysthatIsaac Newtonfudgedout捏造tosupportatleastthreecentralstatementsthathe couldnotprove.Andso{{U}}?62?{{/U}}LaudiusPtolemytheGreek astronomerwhosemasterworkAlmagestsummedupthecaseforasolarsystem thathadtheearthasitscentre.Recent{{U}}?63?{{/U}}indicatethat Ptolemyeitherfakedsomekeydataorresortedheavilytothefinagle factor.??Allthisisimportantbecausethefinaglefactoris stillatwork.Forexampleintheartificialsweetenercontroversyfor exampleitis{{U}}?64?{{/U}}thatallthestudiessponsoredbythe sugarindustryfindthattheartificialsweetenerisunsafe{{U}}?65 ?{{/U}}allthestudiessponsoredbythedietfoodindustryfindnothingwrong withit.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ??????????{{B}}Science andTruth{{/B}}??FINAGLE欺骗isnotawordthatmostpeople associatewithscience.Onereasonisthattheimageofthescientistisofone whoalways{{U}}?51?{{/U}}datainanimpartial不偏不倚的searchfor truth~Inanydebate--{{U}}?52?{{/U}}intelligenceschoolingenergy --thephrasesciencesaysusuallydisarmsopposition.??But scientistshavelongacknowledgedtheexistenceofafinaglefactor--a tendencybymanyscientiststogiveahelpfulchangetothedatato{{U}} ?53?{{/U}}desiredresults.Thelatestofthefinaglefactorin actioncomesfromStephenJayGouldaHarvardbiologistwhohas{{U}}?54 ?{{/U}}theimportant19thcenturyworkofDr.SamuelGeorgeMorton.Morton wasfamousinhistimeforanalysingthebrain{{U}}?55?{{/U}}ofthe skullsasameasureofintelligence.Heconcludedthatwhiteshadthelargest brainsthatthebrainsofIndiansandblacksweresmallerand{{U}}?56 ?{{/U}}thatwhitesconstituteasuperiorrace.??Gouldwent backtoMorton’soriginaldataandconcludedthatthe{{U}}?57?{{/U}} wereanexampleofthefinagleatwork.HefoundthatMorton’sdiscoverywas madebyleavingoutembarrassingdata{{U}}?58?{{/U}}incorrect proceduresandchanginghiscriteria--againalwaysinfavourofhis argument.Mortonhasbeenthoroughlydiscreditedbynowandscientistsdonot believethatbrainsizereflects{{U}}?59?{{/U}}.??But GouldwentontosayMorton’sstoryisonlyanexampleofacommonproblemin {{U}}?60?{{/U}}work.Someoftheleadingfiguresinscienceare{{U}} ?61?{{/U}}tohaveusedthefinaglefactor.GouldsaysthatIsaac Newtonfudgedout捏造tosupportatleastthreecentralstatementsthathe couldnotprove.Andso{{U}}?62?{{/U}}LaudiusPtolemytheGreek astronomerwhosemasterworkAlmagestsummedupthecaseforasolarsystem thathadtheearthasitscentre.Recent{{U}}?63?{{/U}}indicatethat Ptolemyeitherfakedsomekeydataorresortedheavilytothefinagle factor.??Allthisisimportantbecausethefinaglefactoris stillatwork.Forexampleintheartificialsweetenercontroversyfor exampleitis{{U}}?64?{{/U}}thatallthestudiessponsoredbythe sugarindustryfindthattheartificialsweetenerisunsafe{{U}}?65 ?{{/U}}allthestudiessponsoredbythedietfoodindustryfindnothingwrong withit.
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Thetrainstoppedabruptlymakinguswonderwherewewere.
{{*HTML*}}{{B}}第三篇{{/B}} ??????? ??????????{{B}}The BodyClock{{/B}}??WhyisitthatflyingtoNewYorkfromLondon willleaveyoufeelinglesstiredthanflyingtoLondonfromNewYork?The answermaybeaclearcaseofbiologynotbeingabletokeepupwith technology.??Deepinsidethebrainthereisaclockthat governseveryaspectofthebody’sfunctioning:sleepandwakecycleslevelsof alertnessperformancemoodhormonelevelsdigestionbodytemperatureandso on.Itregulatesallofthesefunctionsona24-hourbasisandiscalledthe biologicalclock.??Thisbodyclockprogrammesustobesleepy twiceadaybetween3-5amandagainbetween3-5pm.Afternoonteaandnapare allculturalresponsestoournaturalbiologicalsleepinessinthe afternoon.??Oneofthemajorcausesofthetravellers’malady knownasjetlagisthenon-alignmentofaperson’sinternalbodyclockwith clocksintheexternalworld.Crossingdifferenttimezonesconfusesthe biologicalclockwhichthenhastoadjusttothenewtimeandpatternsoflight andactivity.Tomakemattersmorecomplexnotallinternalbodyfunctions adjustatthesamerate.Soyoursleep/wakemayadjusttoanewtimezoneatone ratewhileyourtemperatureadjustsatadifferentpace.Yourdigestionmaybe onadifferentschedulealtogether.??Thoughweliveina24-hour daythenaturaltendencyofthebodyclockistoextendourdaybeyond24 hours.Itiscontrarytoourbiologicalprogrammingtoshrinkour day.??Thatiswhytravelinginawestwarddirectionismore body-clockfriendlythanflyingeast.NASAstudiesoflonghaulpilotsshowed thatwestwardtravelwasassociatedwithsignificantlybettersleepquantityand qualitythaneastwardflights.??Whenflyingwestyouare extendingyourdaythustravelinginthenaturaldirectionofyourinternal clock.Flyingeastwardwillinvolveshrinking’orreducingyourdayandisin directoppositiontoyourinternalclock’snaturaltendency.??One ofthemorecommoncomplaintsoftravelersisthattheirsleepbecomes disrupted.Therearemanyreasonsforthis:changingtimezonesandschedules changinglightandactivitylevelstryingtosleepwhenyourbodyclockis programmedtobeawakedisruptionoftheinternalbiologicalclockandworking longerhours.??Itisoftensuggestedthatyouadjustyourwatch assoonasyouboardaplanesupposedlytotrytohelpyouadjusttoyour destination’sscheduleassoonasyouarrive.Butitcantakethebodyclock severaldaystoseveralweekstofullyadjusttoanewtimezone.? ?Soourbodyclocktrulycangovernus.Theroleofthebodyclockisto
{{*HTML*}}{{B}}第二篇{{/B}} {{B}}??????? ????????Livingwith Computer{{/B}}??AftertoolongontheNetevenaphonecallcanbe ashock.Myboyfriend’sLiverpudlianaccentsuddenlybecomeshardtounderstand aftertheclarityofhiswordsonscreen;asecretary’stoneseemsmore rejectingthanI’dimagineditwouldbe.Timeitselfbecomesfluid-hours becomeminutesandalternatelysecondsstretchintodays.Weekendsoncea highlightofmyweekarenowjusttwoordinarydays.??Forthe lastthreeyearssinceIstoppedworkingasaproducerforCharlieRoseIhave donemuchofmyworkasatele-commuter远程交谈者.Isubmitarticlesandeditthem viaE-mailandcommunicatewithcolleaguesoninternetmailinglists.My boyfriendlivesinEnglandsomuchofourrelationshipis computer-mediated.??IfIdesiredIcouldstayinsideforweeks withoutwantinganything.Icanorderfoodandmanagemymoneyloveandwork. InfactattimesIhavespentaslongasthreeweeksaloneathomegoingout onlytogetmallandbuynewspapersandgroceries.Iwatchedmostofthe blizzard暴风雪of96onTV.??Butafterawhilelifeitself beginstofeelunreal.IstarttofeelasthoughI’vemergedwithmymachines takingdatainspittingthembackoutjustanothernode节点ontheNet. Othersonlinereportthesamesymptoms.Westarttostronglydislikethe outsideformsofsocializing.It’slikeattendinganA.A.meetinginabarwith everyoneholdingahalf-sippeddrink.WehavebecometheNetopponents’worst nightmare.??Whatfirstseemedlikealuxurycrawlingfrombedto computernotworryingabouthairandclothesandfacehasbecomean avoidancealackofdiscipline.Andonceyoustartreplacingrealhumancontact withcyber-interaction网上交流comingbackoutofthecavecanbequite difficult.??AttimesIturnonthetelevisionandjustleaveit tochatterinthebackgroundsomethingthatI’dneverdonepreviously.The voicesoftheprogramssoothe安慰mebutthenI’mjarred使感不快bythe commercials.Ifindmyselfsuckedinbysoapoperasorcompulsively强制性地 needingtokeepupwiththelatestnewsandtheweather.Dateline FrontlineNightline’CNNeverypossibleangleofeverystoryoverandover andoverevenwhentheyareofnopossibleusetome.Workmovesfrom foregroundtobackground.Welearnfromthepassagethatthewriter
GlobalWarmingandTechnologicalchanges Recentstudieshaveidentifiedfourmajorglobalenvironmentalrisks:acidrainozonedepletiondeforestationandthegreenhouseeffect.OnthewholethankstotechnologicalchangespeoplenowtendtomovetowardwarmerregionsinNorthAmericaandEurope.ClimatewarmingwillprobablybeaboontoAlaskawhichisAmerica’’sleastproductivestateinGrossNationalProductGNPpersquaremile. StudiesoftheimpactofglobalwarmingontheUnitedStatesandotherdevelopedregionsfindthatthemostvulnerableareasarethosedependentonunmanagedecosystems—onnaturallyoccurringrainfallrun-offandtemperaturesandtheextremesofthesevariables.Agricultureforestryandcoastalactivitiesfallintothiscategory. Mosteconomicactivityinindustrializedcountrieshoweverdependsverylittleontheclimate.Intensive-careunitsofhospitalscommunicationsheavymanufacturingandmicroelectronicsareamongthesectorslikelytobeunaffectedbyclimaticchange.InselectingwhethertosetupinsayHongKongorinWarsawfewbusinesseswillconsidertemperatureaweightyfactor. GreenhousewarmingwouldhavelittleeffectonAmericasnationaloutput.About3%ofAmericanGNPoriginatesinclimatesensitivesectorssuchasfarmingandforestry.Another10%comesfromsectorsonlymodestlysensitive-energywatersystemspropertyandconstruction.Forthelargestshare87%comesfromsectorsincludingmostservicesthatarenegligiblyaffectedbyclimatechange. Climatechangesplayanimportantpartincommunications.
GlobalWarmingandTechnologicalchanges Recentstudieshaveidentifiedfourmajorglobalenvironmentalrisks:acidrainozonedepletiondeforestationandthegreenhouseeffect.OnthewholethankstotechnologicalchangespeoplenowtendtomovetowardwarmerregionsinNorthAmericaandEurope.ClimatewarmingwillprobablybeaboontoAlaskawhichisAmerica’’sleastproductivestateinGrossNationalProductGNPpersquaremile. StudiesoftheimpactofglobalwarmingontheUnitedStatesandotherdevelopedregionsfindthatthemostvulnerableareasarethosedependentonunmanagedecosystems—onnaturallyoccurringrainfallrun-offandtemperaturesandtheextremesofthesevariables.Agricultureforestryandcoastalactivitiesfallintothiscategory. Mosteconomicactivityinindustrializedcountrieshoweverdependsverylittleontheclimate.Intensive-careunitsofhospitalscommunicationsheavymanufacturingandmicroelectronicsareamongthesectorslikelytobeunaffectedbyclimaticchange.InselectingwhethertosetupinsayHongKongorinWarsawfewbusinesseswillconsidertemperatureaweightyfactor. GreenhousewarmingwouldhavelittleeffectonAmericasnationaloutput.About3%ofAmericanGNPoriginatesinclimatesensitivesectorssuchasfarmingandforestry.Another10%comesfromsectorsonlymodestlysensitive-energywatersystemspropertyandconstruction.Forthelargestshare87%comesfromsectorsincludingmostservicesthatarenegligiblyaffectedbyclimatechange. Thearticleistalkingabouttheacidrain.
{{*HTML*}}? ?阅读下而这篇短文短文后有2项测试任务1第23～26题要求从所给的6个选项中为第1～4段每段选择1个正确的小标题2第27～30题要求从所给的6个选项中选择4个正确选项分别完成每个句子 ?????????? ???????{{B}}TheWeight Experiment{{/B}}NicolaWaltershasbeentakingpartinexperimentsinScotland todiscoverwhyhumansgainandloseweight.Beinglockedinasmallroomcalled acalorimeter热量测量室isonewaytofindout.1?Thesignsabovethe tworoomsreadsimplyChamberOneandChamberTwo.Thesearethe calorimeters:4mby2mwhite-walledroomswherehumanvolunteersarelockedup inthenameofscience.Outsidethese.roomsanothersignreadsPleasedonot enter-workinprogressandinfrontoftheroomsadvancedmachineryregisters everymovethevolunteersmake.Eachdaymealsmeasuredtothelastgramare passedthroughaholeinthewallofthecalorimetertotheresident volunteer.2?NicolaWaitersisoneoftwentyvolunteerswhooverthe pasteightmonthshavespentvaryingperiodsinsidethecalorimeter.Talland slimNicoladoesnothaveaweightproblembutthoughtthestrictdietmight helpwithhertrainingandfitnessprogramme.Aself-employedcommunitydance workershewasabletofittheexperimentinaroundherwork.Shesawanadvert forvolunteersatherlocalgymandassheisinterestedinthewholeareaof dietandexerciseshethoughtshewouldhelpout.3?Theexperimenton Nicolainvolvedherspendingonedayonafixeddietathomeandthenextinthe room.Thissequencewasrepeatedfourtimesoversixweeks.Shearrivedatthe calorimeterat8:30amoneachofthefourmorningsandfromthenoneverything sheateordrankwascarefullymeasured.Hereverymovewasnotedtooherdaily exerciseroutinetimedtothelastsecond.Atregularintervalsaftereating shefilledinformsabouthowhungryshefeltandsamplesweretakenfor analysis.4?Thescientistshelpvolunteersimposeakindoforderon thelongdaystheyfaceintheroom.ThefirsttimeIonlytookonevideoand abookbutitwasOKbecauseIwatchedTVtherestofthetimesaysNicola. Andtwiceadaysheusedtheexercisebike.Shepedaled踩踏板forhalfanhour watchedbyresearcherstomakesureshedidn’tgotoofast.5?Itseems thatsomefoodsencourageyoutoeatmorewhileotherssatisfyyouquickly. Volunteersarealreadyshowingthathigh-fatdietsarelesslikelytomakeyou feelfull.Believingthattheymaynowknowwhatencouragespeopletoovereat theresearchersareabouttostarttestingahigh-proteinweight-lossdiet. VolunteersarerequiredandNicolahassignedupforfurthersessions.Volunteershavetogetpreparedforthetimeinthecalorimeter______.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ??????????{{B}}Science andTruth{{/B}}??FINAGLE欺骗isnotawordthatmostpeople associatewithscience.Onereasonisthattheimageofthescientistisofone whoalways{{U}}?51?{{/U}}datainanimpartial不偏不倚的searchfor truth~Inanydebate--{{U}}?52?{{/U}}intelligenceschoolingenergy --thephrasesciencesaysusuallydisarmsopposition.??But scientistshavelongacknowledgedtheexistenceofafinaglefactor--a tendencybymanyscientiststogiveahelpfulchangetothedatato{{U}} ?53?{{/U}}desiredresults.Thelatestofthefinaglefactorin actioncomesfromStephenJayGouldaHarvardbiologistwhohas{{U}}?54 ?{{/U}}theimportant19thcenturyworkofDr.SamuelGeorgeMorton.Morton wasfamousinhistimeforanalysingthebrain{{U}}?55?{{/U}}ofthe skullsasameasureofintelligence.Heconcludedthatwhiteshadthelargest brainsthatthebrainsofIndiansandblacksweresmallerand{{U}}?56 ?{{/U}}thatwhitesconstituteasuperiorrace.??Gouldwent backtoMorton’soriginaldataandconcludedthatthe{{U}}?57?{{/U}} wereanexampleofthefinagleatwork.HefoundthatMorton’sdiscoverywas madebyleavingoutembarrassingdata{{U}}?58?{{/U}}incorrect proceduresandchanginghiscriteria--againalwaysinfavourofhis argument.Mortonhasbeenthoroughlydiscreditedbynowandscientistsdonot believethatbrainsizereflects{{U}}?59?{{/U}}.??But GouldwentontosayMorton’sstoryisonlyanexampleofacommonproblemin {{U}}?60?{{/U}}work.Someoftheleadingfiguresinscienceare{{U}} ?61?{{/U}}tohaveusedthefinaglefactor.GouldsaysthatIsaac Newtonfudgedout捏造tosupportatleastthreecentralstatementsthathe couldnotprove.Andso{{U}}?62?{{/U}}LaudiusPtolemytheGreek astronomerwhosemasterworkAlmagestsummedupthecaseforasolarsystem thathadtheearthasitscentre.Recent{{U}}?63?{{/U}}indicatethat Ptolemyeitherfakedsomekeydataorresortedheavilytothefinagle factor.??Allthisisimportantbecausethefinaglefactoris stillatwork.Forexampleintheartificialsweetenercontroversyfor exampleitis{{U}}?64?{{/U}}thatallthestudiessponsoredbythe sugarindustryfindthattheartificialsweetenerisunsafe{{U}}?65 ?{{/U}}allthestudiessponsoredbythedietfoodindustryfindnothingwrong withit.
IcyroadsandpoorvisibilityarefamiliarhazardsintheMidwest.
Manyeconomistshavegivenintothefatallureofmathematics.
{{*HTML*}}? ?下面打3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项山选择1个最佳答案{{B}}第一篇{{/B}} {{B}}??????? ???????SaltyRicePlantBoosts Harvests{{/B}}??Britishscientistsarebreedinganewgenerationof riceplantsthatwillbeabletogrowinsoilcontainingsaltwater.Theirwork mayenableabandonedfarmstobecomeproductiveoncemore.??Tim FlowersandTonyYeofromSussexUniversity’sSchoolofBiologicalSciences havespentseveralyearsresearchinghowcropssuchasricecouldbemadeto growinwaterthathasbecomesalty.??Thepairhaverecently begunathree-yearprogrammefundedbytheBiotechnologyandBiological SciencesResearchCounciltoestablishwhichgenesenablesomeplantsto survivesaltyconditions.Theaimistobreedthiscapabilityintocrops startingwithrice.??Itisestimatedthateachyearmorethan10m hectares公顷ofagriculturallandarelostbecausesaltgetsintothesoiland stunts妨碍生长plants.Theproblemiscausedbyseveralfactors.Inthetropics mangroves红树林thatcreateswamps沼泽andtraditionallyformedbarrierstosea waterhavebeencutdown.IntheMediterraneanaseriesofdroughtshavecaused thewatertabletodropallowingseawatertoseep渗透in.InLatinAmerica irrigationoftencausesproblemswhenwaterisevaporated蒸发bytheheat leavingsaltdepositsbehind.??Excesssaltthenenterstheplants andpreventsthemfunctioningnormally.Heavyconcentrationsofmineralsinthe plantsstopthemdrawingupthewatertheyneedtosurvive.??To overcometheseproblemsFlowersandYeodecidedtobreedriceplantsthattake inverylittlesaltandstorewhattheydoabsorbincellsthatdonotaffect theplants’growth.Theyhavestartedtobreedthesecharacteristicsintoanew ricecropbutitwilltakeabouteightharvestsbeforetheresultingseedsare readytobeconsideredforcommercialuse.??Oncethe characteristicsforsurvivingsaltysoilareknownFlowersandYeowilltryto breedtheappropriategenesintoallmannersofcropsandplants.Landthathas beenabandonedtonaturewillthenbeabletobloomagainprovidingmuchneeded foodinthepoorercountriesoftheworld.WhichofthefollowingstatementsaboutFlowersandYeoistrue?
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ??????????{{B}}Science andTruth{{/B}}??FINAGLE欺骗isnotawordthatmostpeople associatewithscience.Onereasonisthattheimageofthescientistisofone whoalways{{U}}?51?{{/U}}datainanimpartial不偏不倚的searchfor truth~Inanydebate--{{U}}?52?{{/U}}intelligenceschoolingenergy --thephrasesciencesaysusuallydisarmsopposition.??But scientistshavelongacknowledgedtheexistenceofafinaglefactor--a tendencybymanyscientiststogiveahelpfulchangetothedatato{{U}} ?53?{{/U}}desiredresults.Thelatestofthefinaglefactorin actioncomesfromStephenJayGouldaHarvardbiologistwhohas{{U}}?54 ?{{/U}}theimportant19thcenturyworkofDr.SamuelGeorgeMorton.Morton wasfamousinhistimeforanalysingthebrain{{U}}?55?{{/U}}ofthe skullsasameasureofintelligence.Heconcludedthatwhiteshadthelargest brainsthatthebrainsofIndiansandblacksweresmallerand{{U}}?56 ?{{/U}}thatwhitesconstituteasuperiorrace.??Gouldwent backtoMorton’soriginaldataandconcludedthatthe{{U}}?57?{{/U}} wereanexampleofthefinagleatwork.HefoundthatMorton’sdiscoverywas madebyleavingoutembarrassingdata{{U}}?58?{{/U}}incorrect proceduresandchanginghiscriteria--againalwaysinfavourofhis argument.Mortonhasbeenthoroughlydiscreditedbynowandscientistsdonot believethatbrainsizereflects{{U}}?59?{{/U}}.??But GouldwentontosayMorton’sstoryisonlyanexampleofacommonproblemin {{U}}?60?{{/U}}work.Someoftheleadingfiguresinscienceare{{U}} ?61?{{/U}}tohaveusedthefinaglefactor.GouldsaysthatIsaac Newtonfudgedout捏造tosupportatleastthreecentralstatementsthathe couldnotprove.Andso{{U}}?62?{{/U}}LaudiusPtolemytheGreek astronomerwhosemasterworkAlmagestsummedupthecaseforasolarsystem thathadtheearthasitscentre.Recent{{U}}?63?{{/U}}indicatethat Ptolemyeitherfakedsomekeydataorresortedheavilytothefinagle factor.??Allthisisimportantbecausethefinaglefactoris stillatwork.Forexampleintheartificialsweetenercontroversyfor exampleitis{{U}}?64?{{/U}}thatallthestudiessponsoredbythe sugarindustryfindthattheartificialsweetenerisunsafe{{U}}?65 ?{{/U}}allthestudiessponsoredbythedietfoodindustryfindnothingwrong withit.
GlobalWarmingandTechnologicalchanges Recentstudieshaveidentifiedfourmajorglobalenvironmentalrisks:acidrainozonedepletiondeforestationandthegreenhouseeffect.OnthewholethankstotechnologicalchangespeoplenowtendtomovetowardwarmerregionsinNorthAmericaandEurope.ClimatewarmingwillprobablybeaboontoAlaskawhichisAmerica’’sleastproductivestateinGrossNationalProductGNPpersquaremile. StudiesoftheimpactofglobalwarmingontheUnitedStatesandotherdevelopedregionsfindthatthemostvulnerableareasarethosedependentonunmanagedecosystems—onnaturallyoccurringrainfallrun-offandtemperaturesandtheextremesofthesevariables.Agricultureforestryandcoastalactivitiesfallintothiscategory. Mosteconomicactivityinindustrializedcountrieshoweverdependsverylittleontheclimate.Intensive-careunitsofhospitalscommunicationsheavymanufacturingandmicroelectronicsareamongthesectorslikelytobeunaffectedbyclimaticchange.InselectingwhethertosetupinsayHongKongorinWarsawfewbusinesseswillconsidertemperatureaweightyfactor. GreenhousewarmingwouldhavelittleeffectonAmericasnationaloutput.About3%ofAmericanGNPoriginatesinclimatesensitivesectorssuchasfarmingandforestry.Another10%comesfromsectorsonlymodestlysensitive-energywatersystemspropertyandconstruction.Forthelargestshare87%comesfromsectorsincludingmostservicesthatarenegligiblyaffectedbyclimatechange. Inindustrializedcountriesservicesarescarcelyaffectedbyclimatechanges.
Shepurchasedaticketandwentuponthetopdeck.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ??????????{{B}}Science andTruth{{/B}}??FINAGLE欺骗isnotawordthatmostpeople associatewithscience.Onereasonisthattheimageofthescientistisofone whoalways{{U}}?51?{{/U}}datainanimpartial不偏不倚的searchfor truth~Inanydebate--{{U}}?52?{{/U}}intelligenceschoolingenergy --thephrasesciencesaysusuallydisarmsopposition.??But scientistshavelongacknowledgedtheexistenceofafinaglefactor--a tendencybymanyscientiststogiveahelpfulchangetothedatato{{U}} ?53?{{/U}}desiredresults.Thelatestofthefinaglefactorin actioncomesfromStephenJayGouldaHarvardbiologistwhohas{{U}}?54 ?{{/U}}theimportant19thcenturyworkofDr.SamuelGeorgeMorton.Morton wasfamousinhistimeforanalysingthebrain{{U}}?55?{{/U}}ofthe skullsasameasureofintelligence.Heconcludedthatwhiteshadthelargest brainsthatthebrainsofIndiansandblacksweresmallerand{{U}}?56 ?{{/U}}thatwhitesconstituteasuperiorrace.??Gouldwent backtoMorton’soriginaldataandconcludedthatthe{{U}}?57?{{/U}} wereanexampleofthefinagleatwork.HefoundthatMorton’sdiscoverywas madebyleavingoutembarrassingdata{{U}}?58?{{/U}}incorrect proceduresandchanginghiscriteria--againalwaysinfavourofhis argument.Mortonhasbeenthoroughlydiscreditedbynowandscientistsdonot believethatbrainsizereflects{{U}}?59?{{/U}}.??But GouldwentontosayMorton’sstoryisonlyanexampleofacommonproblemin {{U}}?60?{{/U}}work.Someoftheleadingfiguresinscienceare{{U}} ?61?{{/U}}tohaveusedthefinaglefactor.GouldsaysthatIsaac Newtonfudgedout捏造tosupportatleastthreecentralstatementsthathe couldnotprove.Andso{{U}}?62?{{/U}}LaudiusPtolemytheGreek astronomerwhosemasterworkAlmagestsummedupthecaseforasolarsystem thathadtheearthasitscentre.Recent{{U}}?63?{{/U}}indicatethat Ptolemyeitherfakedsomekeydataorresortedheavilytothefinagle factor.??Allthisisimportantbecausethefinaglefactoris stillatwork.Forexampleintheartificialsweetenercontroversyfor exampleitis{{U}}?64?{{/U}}thatallthestudiessponsoredbythe sugarindustryfindthattheartificialsweetenerisunsafe{{U}}?65 ?{{/U}}allthestudiessponsoredbythedietfoodindustryfindnothingwrong withit.
GlobalWarmingandTechnologicalchanges Recentstudieshaveidentifiedfourmajorglobalenvironmentalrisks:acidrainozonedepletiondeforestationandthegreenhouseeffect.OnthewholethankstotechnologicalchangespeoplenowtendtomovetowardwarmerregionsinNorthAmericaandEurope.ClimatewarmingwillprobablybeaboontoAlaskawhichisAmerica’’sleastproductivestateinGrossNationalProductGNPpersquaremile. StudiesoftheimpactofglobalwarmingontheUnitedStatesandotherdevelopedregionsfindthatthemostvulnerableareasarethosedependentonunmanagedecosystems—onnaturallyoccurringrainfallrun-offandtemperaturesandtheextremesofthesevariables.Agricultureforestryandcoastalactivitiesfallintothiscategory. Mosteconomicactivityinindustrializedcountrieshoweverdependsverylittleontheclimate.Intensive-careunitsofhospitalscommunicationsheavymanufacturingandmicroelectronicsareamongthesectorslikelytobeunaffectedbyclimaticchange.InselectingwhethertosetupinsayHongKongorinWarsawfewbusinesseswillconsidertemperatureaweightyfactor. GreenhousewarmingwouldhavelittleeffectonAmericasnationaloutput.About3%ofAmericanGNPoriginatesinclimatesensitivesectorssuchasfarmingandforestry.Another10%comesfromsectorsonlymodestlysensitive-energywatersystemspropertyandconstruction.Forthelargestshare87%comesfromsectorsincludingmostservicesthatarenegligiblyaffectedbyclimatechange. Farmingmustconsiderclimateanasimportantfactor.
Ireservetherighttodisagree.
{{*HTML*}}{{B}}第三篇{{/B}} ??????? ??????????{{B}}The BodyClock{{/B}}??WhyisitthatflyingtoNewYorkfromLondon willleaveyoufeelinglesstiredthanflyingtoLondonfromNewYork?The answermaybeaclearcaseofbiologynotbeingabletokeepupwith technology.??Deepinsidethebrainthereisaclockthat governseveryaspectofthebody’sfunctioning:sleepandwakecycleslevelsof alertnessperformancemoodhormonelevelsdigestionbodytemperatureandso on.Itregulatesallofthesefunctionsona24-hourbasisandiscalledthe biologicalclock.??Thisbodyclockprogrammesustobesleepy twiceadaybetween3-5amandagainbetween3-5pm.Afternoonteaandnapare allculturalresponsestoournaturalbiologicalsleepinessinthe afternoon.??Oneofthemajorcausesofthetravellers’malady knownasjetlagisthenon-alignmentofaperson’sinternalbodyclockwith clocksintheexternalworld.Crossingdifferenttimezonesconfusesthe biologicalclockwhichthenhastoadjusttothenewtimeandpatternsoflight andactivity.Tomakemattersmorecomplexnotallinternalbodyfunctions adjustatthesamerate.Soyoursleep/wakemayadjusttoanewtimezoneatone ratewhileyourtemperatureadjustsatadifferentpace.Yourdigestionmaybe onadifferentschedulealtogether.??Thoughweliveina24-hour daythenaturaltendencyofthebodyclockistoextendourdaybeyond24 hours.Itiscontrarytoourbiologicalprogrammingtoshrinkour day.??Thatiswhytravelinginawestwarddirectionismore body-clockfriendlythanflyingeast.NASAstudiesoflonghaulpilotsshowed thatwestwardtravelwasassociatedwithsignificantlybettersleepquantityand qualitythaneastwardflights.??Whenflyingwestyouare extendingyourdaythustravelinginthenaturaldirectionofyourinternal clock.Flyingeastwardwillinvolveshrinking’orreducingyourdayandisin directoppositiontoyourinternalclock’snaturaltendency.??One ofthemorecommoncomplaintsoftravelersisthattheirsleepbecomes disrupted.Therearemanyreasonsforthis:changingtimezonesandschedules changinglightandactivitylevelstryingtosleepwhenyourbodyclockis programmedtobeawakedisruptionoftheinternalbiologicalclockandworking longerhours.??Itisoftensuggestedthatyouadjustyourwatch assoonasyouboardaplanesupposedlytotrytohelpyouadjusttoyour destination’sscheduleassoonasyouarrive.Butitcantakethebodyclock severaldaystoseveralweekstofullyadjusttoanewtimezone.? ?Soourbodyclocktrulycangovernus.Itcanbeseenfromthelasttwoparagraphsthat
{{*HTML*}}??阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择 5组文字将其分别放回文章原有位置以恢复文章原貌 ?????????? ???{{B}}RuiningtheRuins{{/B}}??Acidrain酸雨is nowafamiliarproblemintheindustrializedcountriesinEurope.Harmfulgases areproducedbypowerstationsandcars.Theydissolveinrainwaterandthis makesacidrainwhichdamagestreesriversandstreams.??Acid rainisalsocapableofdissolvingsomerocksandbuildingsmadeofsoftrock suchaslimestone石灰石areparticularlybadlyaffected.Theacidrainattacks therockandsocarvingsandstatuesareeroded受腐蚀morequickly.? ?{{U}}?46?{{/U}}AccordingtoareportintheNewScientistacid rainisbeingblamedfortherapiddecayofancientruinsinMexico.Theold limestonebuildingsinplaceslikeChichenltzaTulumandPalenquearewearing awayveryquicklyindeed.Thesesitesaretheremainsofthebuildingsbuiltby theMayasbetween250BCandAD900andthespectacularruinsofMayan civilizationarevisitedbythousandsoftouristseveryyear.? ?Butthoseruinsareindangerofbeingseriouslydamagedbypollution.At manysitesthestonehasbeencoveredwithalayerofblacksubstance.{{U}} ?47?{{/U}}.??Scientistsestimatethataboutone millimeterofstoneiswornawayeverytwelveyears.{{U}}?48?{{/U}}The acidrainissaidtobecausedbypollutionfromoilwellsintheGulfof Mexico.Carexhaustgasesarealsoaproblem.Localvolcaniceruptionsmakethe problemevenworse.Neverthelesswithenoughmoneyandeffortresearcherssay thatmanyoftheproblemscouldbesolvedandtherateoferosionreduced. {{U}}?49?{{/U}}.??Mexico’scurrentlackoffundsisalso partlyduetooil.Thecountryhasrichoilfieldsandafewyearsagowhenoil wasexpensiveMexicowassellinglargequantitiesofoiltotheUSAandearning alotofmoney.{{U}}?50?{{/U}}Howeverthepriceofoilthendropped andMexicohasbeenleftowingenormoussumsofmoneyandwithnotenoughincome fromoilsalestopaybacktheloans.Sounlessthepriceofoilrisesitis unlikelythatMexicowillbeabletoaffordtocleanupthepollutionandsave itsMayanruinsfromdestruction.A?Atothersthepaintedsurfaces insidetemplesareliftingandflakingoff剥落andthestoneisbeingeaten away.B?Thatisenoughtohavecausedsomeoftheancientcarvingsto becomeseriouslydamagedalready.C?Thesemeasureswouldreducethe pollutionbutwouldnotstopitcompletely.D?Thegovernmentwas thereforeabletoborrowhugesumsofmoneyfrombanksaroundtheworld thinkingtheywouldhavenoproblemrepayingtheirdebts.E?The problemhoweverisnotjustaEuropeanone.F?HowevertheMexican governmentdoesnothaveenoughmoneytodotheworkandneedstospendwhat moneyithasontheMexicanpeople.
{{*HTML*}}??阅读下面的短文文中有15处空白每处空白给出了4个选项请根据短文的内容从4个选项中选择1个最佳答案 ??????? ??????????{{B}}Science andTruth{{/B}}??FINAGLE欺骗isnotawordthatmostpeople associatewithscience.Onereasonisthattheimageofthescientistisofone whoalways{{U}}?51?{{/U}}datainanimpartial不偏不倚的searchfor truth~Inanydebate--{{U}}?52?{{/U}}intelligenceschoolingenergy --thephrasesciencesaysusuallydisarmsopposition.??But scientistshavelongacknowledgedtheexistenceofafinaglefactor--a tendencybymanyscientiststogiveahelpfulchangetothedatato{{U}} ?53?{{/U}}desiredresults.Thelatestofthefinaglefactorin actioncomesfromStephenJayGouldaHarvardbiologistwhohas{{U}}?54 ?{{/U}}theimportant19thcenturyworkofDr.SamuelGeorgeMorton.Morton wasfamousinhistimeforanalysingthebrain{{U}}?55?{{/U}}ofthe skullsasameasureofintelligence.Heconcludedthatwhiteshadthelargest brainsthatthebrainsofIndiansandblacksweresmallerand{{U}}?56 ?{{/U}}thatwhitesconstituteasuperiorrace.??Gouldwent backtoMorton’soriginaldataandconcludedthatthe{{U}}?57?{{/U}} wereanexampleofthefinagleatwork.HefoundthatMorton’sdiscoverywas madebyleavingoutembarrassingdata{{U}}?58?{{/U}}incorrect proceduresandchanginghiscriteria--againalwaysinfavourofhis argument.Mortonhasbeenthoroughlydiscreditedbynowandscientistsdonot believethatbrainsizereflects{{U}}?59?{{/U}}.??But GouldwentontosayMorton’sstoryisonlyanexampleofacommonproblemin {{U}}?60?{{/U}}work.Someoftheleadingfiguresinscienceare{{U}} ?61?{{/U}}tohaveusedthefinaglefactor.GouldsaysthatIsaac Newtonfudgedout捏造tosupportatleastthreecentralstatementsthathe couldnotprove.Andso{{U}}?62?{{/U}}LaudiusPtolemytheGreek astronomerwhosemasterworkAlmagestsummedupthecaseforasolarsystem thathadtheearthasitscentre.Recent{{U}}?63?{{/U}}indicatethat Ptolemyeitherfakedsomekeydataorresortedheavilytothefinagle factor.??Allthisisimportantbecausethefinaglefactoris stillatwork.Forexampleintheartificialsweetenercontroversyfor exampleitis{{U}}?64?{{/U}}thatallthestudiessponsoredbythe sugarindustryfindthattheartificialsweetenerisunsafe{{U}}?65 ?{{/U}}allthestudiessponsoredbythedietfoodindustryfindnothingwrong withit.
Ifthepopulationkeepsongrowingtherewilleventuallynotbeenoughresourceslefttosupportlifeontheearth.
{{*HTML*}}? ?下面打3篇短文每篇短文后有5道题每道题后面有4个选项请根据文章的内容从每题所给的4个选项山选择1个最佳答案{{B}}第一篇{{/B}} {{B}}??????? ???????SaltyRicePlantBoosts Harvests{{/B}}??Britishscientistsarebreedinganewgenerationof riceplantsthatwillbeabletogrowinsoilcontainingsaltwater.Theirwork mayenableabandonedfarmstobecomeproductiveoncemore.??Tim FlowersandTonyYeofromSussexUniversity’sSchoolofBiologicalSciences havespentseveralyearsresearchinghowcropssuchasricecouldbemadeto growinwaterthathasbecomesalty.??Thepairhaverecently begunathree-yearprogrammefundedbytheBiotechnologyandBiological SciencesResearchCounciltoestablishwhichgenesenablesomeplantsto survivesaltyconditions.Theaimistobreedthiscapabilityintocrops startingwithrice.??Itisestimatedthateachyearmorethan10m hectares公顷ofagriculturallandarelostbecausesaltgetsintothesoiland stunts妨碍生长plants.Theproblemiscausedbyseveralfactors.Inthetropics mangroves红树林thatcreateswamps沼泽andtraditionallyformedbarrierstosea waterhavebeencutdown.IntheMediterraneanaseriesofdroughtshavecaused thewatertabletodropallowingseawatertoseep渗透in.InLatinAmerica irrigationoftencausesproblemswhenwaterisevaporated蒸发bytheheat leavingsaltdepositsbehind.??Excesssaltthenenterstheplants andpreventsthemfunctioningnormally.Heavyconcentrationsofmineralsinthe plantsstopthemdrawingupthewatertheyneedtosurvive.??To overcometheseproblemsFlowersandYeodecidedtobreedriceplantsthattake inverylittlesaltandstorewhattheydoabsorbincellsthatdonotaffect theplants’growth.Theyhavestartedtobreedthesecharacteristicsintoanew ricecropbutitwilltakeabouteightharvestsbeforetheresultingseedsare readytobeconsideredforcommercialuse.??Oncethe characteristicsforsurvivingsaltysoilareknownFlowersandYeowilltryto breedtheappropriategenesintoallmannersofcropsandplants.Landthathas beenabandonedtonaturewillthenbeabletobloomagainprovidingmuchneeded foodinthepoorercountriesoftheworld.Theattitudeoftheauthortowardstheresearchprojectis
{{*HTML*}}??阅读下面的短文文章中有5处空白文章后面有6组文字请根据文章的内容选择 5组文字将其分别放回文章原有位置以恢复文章原貌 ?????????? ???{{B}}RuiningtheRuins{{/B}}??Acidrain酸雨is nowafamiliarproblemintheindustrializedcountriesinEurope.Harmfulgases areproducedbypowerstationsandcars.Theydissolveinrainwaterandthis makesacidrainwhichdamagestreesriversandstreams.??Acid rainisalsocapableofdissolvingsomerocksandbuildingsmadeofsoftrock suchaslimestone石灰石areparticularlybadlyaffected.Theacidrainattacks therockandsocarvingsandstatuesareeroded受腐蚀morequickly.? ?{{U}}?46?{{/U}}AccordingtoareportintheNewScientistacid rainisbeingblamedfortherapiddecayofancientruinsinMexico.Theold limestonebuildingsinplaceslikeChichenltzaTulumandPalenquearewearing awayveryquicklyindeed.Thesesitesaretheremainsofthebuildingsbuiltby theMayasbetween250BCandAD900andthespectacularruinsofMayan civilizationarevisitedbythousandsoftouristseveryyear.? ?Butthoseruinsareindangerofbeingseriouslydamagedbypollution.At manysitesthestonehasbeencoveredwithalayerofblacksubstance.{{U}} ?47?{{/U}}.??Scientistsestimatethataboutone millimeterofstoneiswornawayeverytwelveyears.{{U}}?48?{{/U}}The acidrainissaidtobecausedbypollutionfromoilwellsintheGulfof Mexico.Carexhaustgasesarealsoaproblem.Localvolcaniceruptionsmakethe problemevenworse.Neverthelesswithenoughmoneyandeffortresearcherssay thatmanyoftheproblemscouldbesolvedandtherateoferosionreduced. {{U}}?49?{{/U}}.??Mexico’scurrentlackoffundsisalso partlyduetooil.Thecountryhasrichoilfieldsandafewyearsagowhenoil wasexpensiveMexicowassellinglargequantitiesofoiltotheUSAandearning alotofmoney.{{U}}?50?{{/U}}Howeverthepriceofoilthendropped andMexicohasbeenleftowingenormoussumsofmoneyandwithnotenoughincome fromoilsalestopaybacktheloans.Sounlessthepriceofoilrisesitis unlikelythatMexicowillbeabletoaffordtocleanupthepollutionandsave itsMayanruinsfromdestruction.A?Atothersthepaintedsurfaces insidetemplesareliftingandflakingoff剥落andthestoneisbeingeaten away.B?Thatisenoughtohavecausedsomeoftheancientcarvingsto becomeseriouslydamagedalready.C?Thesemeasureswouldreducethe pollutionbutwouldnotstopitcompletely.D?Thegovernmentwas thereforeabletoborrowhugesumsofmoneyfrombanksaroundtheworld thinkingtheywouldhavenoproblemrepayingtheirdebts.E?The problemhoweverisnotjustaEuropeanone.F?HowevertheMexican governmentdoesnothaveenoughmoneytodotheworkandneedstospendwhat moneyithasontheMexicanpeople.
Pleaseletmeknowifanyproblemsarise.
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