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金融市场最主要、最基本的功能是______。
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金融市场最主要最基本的功能是
货币资金融通功能
资源配置功能
经济调节功能
定价功能
金融市场最主要最基本的功能是
优化资源配置功能
经济调节功能
短期资金融通功能
定价功能
金融市场最主要最基本的功能是
资源配置功能
定价功能
货币资金融通功能
经济调节功能
是金融市场最主要最基本的功能
货币资金融通功能
优化资源配置功能
经济调节功能
定价功能
金融市场最主要最基本的功能是
货币资金融通功能
资源配置功能
经济调节功能
定价功能
经济调节是金融市场最主要最基本的功能
融通货币资金是金融市场最主要最基本的功能
金融市场最主要最基本的功能是
优化资源配置功能
经济调节功能
货币资金融通功能
定价功能
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Morethanacenturyagotherelationshipbetweenglacialiceandtheamountofwaterintheoceanbasinswasfirstseen.Whenthegreaticesheetcoveredvastlandareasthesealevelwasloweredbecausethenormalreturnofwaterfromlandtotheoceanwasreduced.AsaresultthesealevelroseasIceAgeglaciersmeltedallowingthemeltedwaterstoflowintotheocean.Ifalltheglacialiceonthesurfaceoftheearthtodayshouldmeltthesealevelmightrisebymorethan150feet.Shorelinevariationsarealsoproducedthroughelevationordepressionoftheland.Duringtimesofglacierformationsthegreatweightoftheiceslowlydepressedtheearth’scrust.Removaloftheweightthroughglaciermeltingallowedtheslowreturnofthecrusttoitsformerposition.ChangesintheGreatIceclimatesfromcoolandwettowarmanddryproducedclimatechangesfarfromtheglaciatedarea.Forexampleattimesofcool-wetglacialclimateslevelsofinlandlakesroseincontrasttothedepressionofsealevel.Duringthewarm-dryinterglacialclimateslakelevelswerelowered.TheancientlakeBonnevillelargestoftheglaciallakesinWesternUnitedStatesoncecoveredmorethan20000squaremiles.Ithadamaximumdepthofmorethan1000feet.GreatSaltLakeinUtahistheshrunkenremnantofthisoncelargelake. AlthoughthefirsttimethatearlymanwalkedontheearthisuncertainheislargelyaproductoftheGreatIceAge.Presentinformationshowsthatduringthistimeheevolvedrapidlybothphysicallyandculturally.HismostprimitivetoolsandskeletalremainshavebeenfoundinsomeoftheoldestdepositscontemporarywiththeGreatIceAgeinAfricaAsiaandEurope.Theseareoftenassociatedwithremainsofextinctanimals.WiththedisappearanceofthegreaticesheetstheBronzeandIronAgeculturesevolved.Aboutthistimemanyanimalssuitedtocoolerclimatesdied. AlthoughmuchremainstobelearnedthestoryoftheGreatIceAgeisbeingunfoldedthroughtheeffortsofspecialistsinmanyfields.RecordingfieldobservationnewtheoriesandmethodsandworldwidestudiesofexistingglaciersarebringingaclearerunderstandingoftheGreatIceAge. ThebestsourceofinformationabouttheGreatIceAgeisobtainedfrom
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Mostspeakersaresurprisingtolearnthatpeoplewho1._____speakonlyonelanguageformaminorityoftheworld’spopulationthatmostpeoplefunctionintwoormorelanguages.2._____Whilefewpeoplearetrulybalancedbilingualsorpolyglotswhofeelequalcomfortablewithalllanguages3._____thefactisthatmostoftheworld’spopulationfunctionsinmorethanlanguage.Giventhisit’ssomewhatsurprising4._____thatsomuchattentionispaidtotheEnglish-speakingworldtothematteroflearningaadditionallanguage.Ifsomany5._____peopleseemtodoitsoeasilythenjustwhatistheproblemThesimplestansweristhattherereallyisn’tone.Givingampleopportunityandtimemostpeoplecanlearnas6._____manylanguagesastheywantorneedto.ButasteacherschargedwiththeresponsibilityofaddingEnglishtothelinguisticinventoryofnon-English-speakingchildrenwemustbeconcernedpreciselythesematters—providingample7._____andeffectiveopportunityandusingtimeaseffectivelyaspossible.Thischapterwilllookbrieflyhowchildrenbecomebilingual.8._____Firstwe’llexaminetheconditionsleadtobilingualism9._____inpreschoolersthenwe’llturnourattentiontolanguagelearningintheclassroom.Infocusingonthedifferencesbetweenlanguageacquisitionathomeandatschoolwe’llseethatthere’sthepotentialforconflictfromchildren’sinformallanguage10._____learninginthehomeandthemoreformalexperienceoftheschool.
Formostofusworkisthecentraldominatingfactoflife.Wespendmorethanhalfourconscioushoursatworkpreparingforworktravellingtoandfromwork.Whatwedotherelargelydeterminesourstandardoflivingandtoaconsiderableextentthestatusweareaccordedbyourfellowcitizensaswell.Itissometimessaidthatbecauseleisurehasbecomemoreimportanttheindignitiesandinjusticesofworkcanbepushedintoacornerthatbecausemostworkisprettyintolerablethepeoplewhodoitshouldcompensateforitsboredomfrustrationsandhumiliationsbyconcentratingtheirhopesontheotherpartsoftheirlives.Irejectthatasacounselofdespair.Fortheforeseeablefuturethematerialandpsychologicalrewardswhichworkcanprovideandtheconditionsinwhichworkisdonewillcontinuetoplayavitalpartindeterminingthesatisfactionthatlifecanoffer.Yetonlyasmallminoritycancontrolthepaceatwhichtheyworkortheconditionsinwhichtheirworkisdone;onlyforasmallminoritydoesworkofferscopeforcreativityimaginationorinitiative.Inequalityatworkandinworkisstilloneofthecruelestandmostglaringformsofinequalityinoursociety.Wecannothopetosolvethemoreobviousproblemsofindustriallifemanyofwhicharisedirectlyorindirectlyfromthefrustrationscreatedbyinequalityatworkunlesswetackleitheadon.Stilllesscanwehopetocreateadecentandhumanesociety.Questions:Accordingtotheauthorpeoplejudgeothersmainlyby______
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Prolonginghumanlifehasincreasedthesizeofthehumanpopulation.Manypeoplealivetodaywouldhavediedofchildhooddiseasesiftheyhadbeenbornahundredyearsago.Becausemorepeoplelivelongertherearemorepeoplearoundatanygiventime.Infactitisadecreaseindeathratesnotanincreaseinbirthratesthathasledtothepopulationexplosion. Prolonginghumanlifehasalsoincreasedthedependencyload.Inallsocietiespeoplewhoaredisabledortooyoungortoooldtoworkaredependentontherestofsocietytoprovideforthem.Inhuntingandgatheringculturesoldpeoplewhocouldnotkeepupmightbeleftbehindtodie.Intimesoffamineinfantsmightbeallowedtodiebecausetheycouldnotsurviveiftheirparentsstarvedwhereasiftheparentssurvivedtheycouldhaveanotherchild.Inmostcontemporary当代的societiespeoplefeelamoralobligationtokeeppeoplealivewhethertheycanworkornot.Wehaveagreatmanypeopletodaywholivepasttheageatwhichtheywanttoworkorareabletowork;wealsohaveruleswhichrequirepeopletoretireatacertainage.Unlessthesepeoplewereabletosavemoneyfortheirretirementsomebodyelsemustsupportthem.IntheUnitedStatesmanyretiredpeopleliveonsocialsecuritycheckswhicharesolittlethattheymustliveinnearpoverty.Olderpeoplehavemoreillnessthanyoungormiddle-agedpeople;unlesstheyhavewealthorprivateorgovernmentinsurancetheymustoftengoonwelfareiftheyhaveaseriousillness. Whenolderpeoplebecomesenileortooweaktocareforthemselvestheycreategraveproblemsfortheirfamilies.Inthepastandinsometraditionalculturestheywouldbecaredforathomeuntiltheydied.Todaywithmostmembersofahouseholdworkingorinschoolthereisoftennooneathomewhocancareforasickorweakperson.Tomeetthisneedagreatmanynursinghomesandconvalescent康复的hospitalshavebeenbuilt.Theseareoftenprofit-makingorganizationsalthoughsomearesponsored赞助byreligiousandothernonprofitgroups.Whileafewoftheseinstitutionsaregoodmostofthemaresimplydumpinggroundsforthedyinginwhichcareisgivenbypoorlypaidoverworkedandunder-skilledpersonnel. Whatistheauthor’sattitudetowardthenursinghomesandconvalescenthospitalsmentionedintheparagraph
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Mostspeakersaresurprisingtolearnthatpeoplewho1._____speakonlyonelanguageformaminorityoftheworld’spopulationthatmostpeoplefunctionintwoormorelanguages.2._____Whilefewpeoplearetrulybalancedbilingualsorpolyglotswhofeelequalcomfortablewithalllanguages3._____thefactisthatmostoftheworld’spopulationfunctionsinmorethanlanguage.Giventhisit’ssomewhatsurprising4._____thatsomuchattentionispaidtotheEnglish-speakingworldtothematteroflearningaadditionallanguage.Ifsomany5._____peopleseemtodoitsoeasilythenjustwhatistheproblemThesimplestansweristhattherereallyisn’tone.Givingampleopportunityandtimemostpeoplecanlearnas6._____manylanguagesastheywantorneedto.ButasteacherschargedwiththeresponsibilityofaddingEnglishtothelinguisticinventoryofnon-English-speakingchildrenwemustbeconcernedpreciselythesematters—providingample7._____andeffectiveopportunityandusingtimeaseffectivelyaspossible.Thischapterwilllookbrieflyhowchildrenbecomebilingual.8._____Firstwe’llexaminetheconditionsleadtobilingualism9._____inpreschoolersthenwe’llturnourattentiontolanguagelearningintheclassroom.Infocusingonthedifferencesbetweenlanguageacquisitionathomeandatschoolwe’llseethatthere’sthepotentialforconflictfromchildren’sinformallanguage10._____learninginthehomeandthemoreformalexperienceoftheschool.
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Mostspeakersaresurprisingtolearnthatpeoplewho1._____speakonlyonelanguageformaminorityoftheworld’spopulationthatmostpeoplefunctionintwoormorelanguages.2._____Whilefewpeoplearetrulybalancedbilingualsorpolyglotswhofeelequalcomfortablewithalllanguages3._____thefactisthatmostoftheworld’spopulationfunctionsinmorethanlanguage.Giventhisit’ssomewhatsurprising4._____thatsomuchattentionispaidtotheEnglish-speakingworldtothematteroflearningaadditionallanguage.Ifsomany5._____peopleseemtodoitsoeasilythenjustwhatistheproblemThesimplestansweristhattherereallyisn’tone.Givingampleopportunityandtimemostpeoplecanlearnas6._____manylanguagesastheywantorneedto.ButasteacherschargedwiththeresponsibilityofaddingEnglishtothelinguisticinventoryofnon-English-speakingchildrenwemustbeconcernedpreciselythesematters—providingample7._____andeffectiveopportunityandusingtimeaseffectivelyaspossible.Thischapterwilllookbrieflyhowchildrenbecomebilingual.8._____Firstwe’llexaminetheconditionsleadtobilingualism9._____inpreschoolersthenwe’llturnourattentiontolanguagelearningintheclassroom.Infocusingonthedifferencesbetweenlanguageacquisitionathomeandatschoolwe’llseethatthere’sthepotentialforconflictfromchildren’sinformallanguage10._____learninginthehomeandthemoreformalexperienceoftheschool.
AlthoughwealreadyknowagreatdealaboutinfluenzaandalthoughtheWorldHealthOrganizationisconstantlycollectingdetailedinformationfromitschainofinfluenzareferencelaboratoriesthroughouttheworlditisextremelydifficultforepidemiologists流行病专家whostudyinfectiousdiseasetopredictwhenandwherethenextfluepidemicwilloccurandhowsevereitwillbe. TherearethreekindsofinfluenzavirusknownasABandC.InfluenzaCvirusisrelativelystableandcausesmildinfectionsthatdonotspreadfarthroughthepopulation.TheAandBtypesareunstableandareresponsiblefortheepidemicsthatcausefrequentconcern.Followinganyvirusattackthehumanbodybuildsupantibodieswhichconferimmunitytothatstrainofvirusbutaviruswiththecapacitytochangeitscharacterisabletoby-passthisprotection.VariabilityislessdevelopedintheinfluenzaBviruswhichaffectsonlyhumanbeings.AninfluenzaBvirusmaycauseawidespreadepidemicbutwillhavelittleeffectifintroducedintothesamecommunitysoonafterwardssincenearlyeveryonewillhavebuiltupantibodiesandwillbeimmune.TheinfluenzaAviruswhichaffectsanimalsalsoisextremelyunstableandisresponsibleforsomeoftheworstoutbreaksofthediseasesuchastheunparalleledpandemicorworldepidemicof1918-1919whenabouthalftheworld’spopulationwereinfectedandabouttwentymillionpeoplediedsomefrompneumoniacausedbythevirusitselfandsomefromsecondarycomplications并发症causedbybacteria. Accuratepredictionisdifficultbecauseofthecomplicationofthefactors.Aparticularvirusmayberelatedtoonetowhichsomeofthepopulationhavepartialinvolvedimmunity.Theextenttowhichitwillspreadwilldependonfactorssuchasitsownstrengthorvirulencetheeasewithwhichitcanbetransmittedandthestrengthoftheoppositionitencounters.Scientistshoweverhaveareliablegeneralpictureoftheworldsituation.InfluenzaAattacksusinwaveseverytwoorthreeyearswhileinfluenzaBwhichtravelsmoreslowlylaunchesitsmainassaultseverythreetosixyears.Theoutbreaksvaryfromisolatedcasestoepidemicsinvolvingatenthormoreofthepopulation.Wemayconfidentlyprophesythatsoonerorlaterlargenumbersofpeoplewillbefeelingtheunpleasanteffectsofsomekindofinfluenzavirus. AccordingtotheauthorwhichofthefollowingisNOTtrueaboutinfluenza
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Morethanacenturyagotherelationshipbetweenglacialiceandtheamountofwaterintheoceanbasinswasfirstseen.Whenthegreaticesheetcoveredvastlandareasthesealevelwasloweredbecausethenormalreturnofwaterfromlandtotheoceanwasreduced.AsaresultthesealevelroseasIceAgeglaciersmeltedallowingthemeltedwaterstoflowintotheocean.Ifalltheglacialiceonthesurfaceoftheearthtodayshouldmeltthesealevelmightrisebymorethan150feet.Shorelinevariationsarealsoproducedthroughelevationordepressionoftheland.Duringtimesofglacierformationsthegreatweightoftheiceslowlydepressedtheearth’scrust.Removaloftheweightthroughglaciermeltingallowedtheslowreturnofthecrusttoitsformerposition.ChangesintheGreatIceclimatesfromcoolandwettowarmanddryproducedclimatechangesfarfromtheglaciatedarea.Forexampleattimesofcool-wetglacialclimateslevelsofinlandlakesroseincontrasttothedepressionofsealevel.Duringthewarm-dryinterglacialclimateslakelevelswerelowered.TheancientlakeBonnevillelargestoftheglaciallakesinWesternUnitedStatesoncecoveredmorethan20000squaremiles.Ithadamaximumdepthofmorethan1000feet.GreatSaltLakeinUtahistheshrunkenremnantofthisoncelargelake. AlthoughthefirsttimethatearlymanwalkedontheearthisuncertainheislargelyaproductoftheGreatIceAge.Presentinformationshowsthatduringthistimeheevolvedrapidlybothphysicallyandculturally.HismostprimitivetoolsandskeletalremainshavebeenfoundinsomeoftheoldestdepositscontemporarywiththeGreatIceAgeinAfricaAsiaandEurope.Theseareoftenassociatedwithremainsofextinctanimals.WiththedisappearanceofthegreaticesheetstheBronzeandIronAgeculturesevolved.Aboutthistimemanyanimalssuitedtocoolerclimatesdied. AlthoughmuchremainstobelearnedthestoryoftheGreatIceAgeisbeingunfoldedthroughtheeffortsofspecialistsinmanyfields.RecordingfieldobservationnewtheoriesandmethodsandworldwidestudiesofexistingglaciersarebringingaclearerunderstandingoftheGreatIceAge. WhydoestheauthorcitetheexampleoftheGreatSaltLakeinUtah
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Mostspeakersaresurprisingtolearnthatpeoplewho1._____speakonlyonelanguageformaminorityoftheworld’spopulationthatmostpeoplefunctionintwoormorelanguages.2._____Whilefewpeoplearetrulybalancedbilingualsorpolyglotswhofeelequalcomfortablewithalllanguages3._____thefactisthatmostoftheworld’spopulationfunctionsinmorethanlanguage.Giventhisit’ssomewhatsurprising4._____thatsomuchattentionispaidtotheEnglish-speakingworldtothematteroflearningaadditionallanguage.Ifsomany5._____peopleseemtodoitsoeasilythenjustwhatistheproblemThesimplestansweristhattherereallyisn’tone.Givingampleopportunityandtimemostpeoplecanlearnas6._____manylanguagesastheywantorneedto.ButasteacherschargedwiththeresponsibilityofaddingEnglishtothelinguisticinventoryofnon-English-speakingchildrenwemustbeconcernedpreciselythesematters—providingample7._____andeffectiveopportunityandusingtimeaseffectivelyaspossible.Thischapterwilllookbrieflyhowchildrenbecomebilingual.8._____Firstwe’llexaminetheconditionsleadtobilingualism9._____inpreschoolersthenwe’llturnourattentiontolanguagelearningintheclassroom.Infocusingonthedifferencesbetweenlanguageacquisitionathomeandatschoolwe’llseethatthere’sthepotentialforconflictfromchildren’sinformallanguage10._____learninginthehomeandthemoreformalexperienceoftheschool.
Prolonginghumanlifehasincreasedthesizeofthehumanpopulation.Manypeoplealivetodaywouldhavediedofchildhooddiseasesiftheyhadbeenbornahundredyearsago.Becausemorepeoplelivelongertherearemorepeoplearoundatanygiventime.Infactitisadecreaseindeathratesnotanincreaseinbirthratesthathasledtothepopulationexplosion. Prolonginghumanlifehasalsoincreasedthedependencyload.Inallsocietiespeoplewhoaredisabledortooyoungortoooldtoworkaredependentontherestofsocietytoprovideforthem.Inhuntingandgatheringculturesoldpeoplewhocouldnotkeepupmightbeleftbehindtodie.Intimesoffamineinfantsmightbeallowedtodiebecausetheycouldnotsurviveiftheirparentsstarvedwhereasiftheparentssurvivedtheycouldhaveanotherchild.Inmostcontemporary当代的societiespeoplefeelamoralobligationtokeeppeoplealivewhethertheycanworkornot.Wehaveagreatmanypeopletodaywholivepasttheageatwhichtheywanttoworkorareabletowork;wealsohaveruleswhichrequirepeopletoretireatacertainage.Unlessthesepeoplewereabletosavemoneyfortheirretirementsomebodyelsemustsupportthem.IntheUnitedStatesmanyretiredpeopleliveonsocialsecuritycheckswhicharesolittlethattheymustliveinnearpoverty.Olderpeoplehavemoreillnessthanyoungormiddle-agedpeople;unlesstheyhavewealthorprivateorgovernmentinsurancetheymustoftengoonwelfareiftheyhaveaseriousillness. Whenolderpeoplebecomesenileortooweaktocareforthemselvestheycreategraveproblemsfortheirfamilies.Inthepastandinsometraditionalculturestheywouldbecaredforathomeuntiltheydied.Todaywithmostmembersofahouseholdworkingorinschoolthereisoftennooneathomewhocancareforasickorweakperson.Tomeetthisneedagreatmanynursinghomesandconvalescent康复的hospitalshavebeenbuilt.Theseareoftenprofit-makingorganizationsalthoughsomearesponsored赞助byreligiousandothernonprofitgroups.Whileafewoftheseinstitutionsaregoodmostofthemaresimplydumpinggroundsforthedyinginwhichcareisgivenbypoorlypaidoverworkedandunder-skilledpersonnel. Itcanbelearnedfromthepassagethatinsometraditionalsocieties
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AlthoughmuchremainstobelearnedthestoryoftheGreatIceAgeisbeingunfoldedthroughtheeffortsofspecialistsinmanyfields.RecordingfieldobservationnewtheoriesandmethodsandworldwidestudiesofexistingglaciersarebringingaclearerunderstandingoftheGreatIceAge.______
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AlthoughwealreadyknowagreatdealaboutinfluenzaandalthoughtheWorldHealthOrganizationisconstantlycollectingdetailedinformationfromitschainofinfluenzareferencelaboratoriesthroughouttheworlditisextremelydifficultforepidemiologists流行病专家whostudyinfectiousdiseasetopredictwhenandwherethenextfluepidemicwilloccurandhowsevereitwillbe. TherearethreekindsofinfluenzavirusknownasABandC.InfluenzaCvirusisrelativelystableandcausesmildinfectionsthatdonotspreadfarthroughthepopulation.TheAandBtypesareunstableandareresponsiblefortheepidemicsthatcausefrequentconcern.Followinganyvirusattackthehumanbodybuildsupantibodieswhichconferimmunitytothatstrainofvirusbutaviruswiththecapacitytochangeitscharacterisabletoby-passthisprotection.VariabilityislessdevelopedintheinfluenzaBviruswhichaffectsonlyhumanbeings.AninfluenzaBvirusmaycauseawidespreadepidemicbutwillhavelittleeffectifintroducedintothesamecommunitysoonafterwardssincenearlyeveryonewillhavebuiltupantibodiesandwillbeimmune.TheinfluenzaAviruswhichaffectsanimalsalsoisextremelyunstableandisresponsibleforsomeoftheworstoutbreaksofthediseasesuchastheunparalleledpandemicorworldepidemicof1918-1919whenabouthalftheworld’spopulationwereinfectedandabouttwentymillionpeoplediedsomefrompneumoniacausedbythevirusitselfandsomefromsecondarycomplications并发症causedbybacteria. Accuratepredictionisdifficultbecauseofthecomplicationofthefactors.Aparticularvirusmayberelatedtoonetowhichsomeofthepopulationhavepartialinvolvedimmunity.Theextenttowhichitwillspreadwilldependonfactorssuchasitsownstrengthorvirulencetheeasewithwhichitcanbetransmittedandthestrengthoftheoppositionitencounters.Scientistshoweverhaveareliablegeneralpictureoftheworldsituation.InfluenzaAattacksusinwaveseverytwoorthreeyearswhileinfluenzaBwhichtravelsmoreslowlylaunchesitsmainassaultseverythreetosixyears.Theoutbreaksvaryfromisolatedcasestoepidemicsinvolvingatenthormoreofthepopulation.Wemayconfidentlyprophesythatsoonerorlaterlargenumbersofpeoplewillbefeelingtheunpleasanteffectsofsomekindofinfluenzavirus. WhichofthefollowingisNOTmentionedasafactorcontributingtotheextenttowhichavirusspreads
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