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一贯煎主治的证候中不包括
吞酸吐苦
舌红少津
胸脘胁痛
午后潮热
咽干口燥
主治证涉及阴虚燥热的方剂是
逍遥散
一贯煎
天台乌药散
暖肝煎
当归四逆汤
一贯煎主治证候的病机包括
肺胃阴虚
心肾阴虚
肝胃阴虚
肝肾阴虚
肺肾阴虚
一贯煎主治________胁痛证方中疏肝止痛的药是________
下列不属于一贯煎主治证候的是
胸脘胁痛，吞酸吐苦
咽干口燥，舌红少津
腰膝酸软，遗精盗汗
疝气瘕聚
脉象细弱
一贯煎主治何病证其辨证要点是什么
一贯煎主治的症候中不包括
胸脘胁痛
吞酸吐苦
午后潮热
舌红少津
咽干口燥
主治证涉及血虚寒滞的方剂是
逍遥散
一贯煎
天台乌药散
暖肝煎
当归四逆汤
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ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.4
Inthefirstparagraphtheauthorintroduceshistopicbyrelating
Fromthefirstparagraphofthepassageweknowthat
Sony'sQRIOcouldcarryoutallthefollowingworkEXCEPT
Itisimpliedinthelastparagraphthat
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.14
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.8
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.16
BillKeaggycollectsgrocerylistsbecause
Inthethirdparagraphtheauthorusestheexampleofthesinglemothertoindicatethatfaith
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.20
KingRichardIIIwasamonster.HepoisonedhiswifestolethethronefromhistwoyoungnephewsandorderedthemtobesmotheredintheTowerofLondon.RichardwasasortofAntichristtheKing--"thatbottledspiderthatpoisonousbunchbackedtoad." AnywaythatwasShakespeare’sversion.Shakespearedidwhattheplaywrightdoes:heturnedhistoryintoavividarticulateorganizeddream-repeatablenightly.Heputthecrouchbackonstageandsoldtickets. AndwhoWouldsaythattherealRichardknowntofamilyandfriendswasnotidenticaltoShakespeare’smemorablyloathsomecreationTheactualRichardwentdimmingintothepastandvanished.Whenalltheeye-witnessesaregonetheartist’simaginationbeginstotwist. VariationsontheKingRichardEffectareatworkinOliverStone’sJFK.RichardIIIwasartbutitwaspropagandatoo.ShakespearetookthedetailsofhisplotfromTudorhistorianswhowantedtoblackenRichard’sname.SeveralcenturiespassedbeforeotherhistoriansbegantowriteaboutRichard’svirtuesandsuggestthathemayhavebeenavictimofTudormaliceandwhatisthecleverestconspiracyofall:art. JFKisalongandpowerfulharangueaboutthedeathoftheman--Stonekeepscalling"theslainyoungking.’WhataretherulesofStone’sgameIsStonefunctioningascommercialentertainerPropagandistDocumentaryfilmmakerHistorianJournalistFantasistSensationalistCrazyconspiracy-mongerLoneherocrusadingforthetruthagainstacorruptEstablishmentAnswer:someoftheabove. ThefirstsuperficialeffectofJFKistoraiseangrylittlescrupleslikeweltsintheconscience.Wouldn’titbeabsurdifagenerationofyoungerAmericanswithnomemoryof1963weretoformtheirideasaboutJohnKennedy’sassassinationfromOliverStone’sreportofitButworsethingshavehappened--includingperhapstheWarrenCommissionreport StoneusesasuspectmixedartformandJFKraisesthefamiliarethicalandhistoricalproblemsofdocudrama.ButsowhatArtistshavealwaysusedpubliceventsasrawmaterialhavetakenhistoryintotheirimaginationsandtransformedit.ThefallofTroyvanishedintotheIliad.TheBattleofBorodinofounditsmostmemorablepermanenceinTolstoy’simaginingofitinWarandPeace. Especiallyinaworldofinsatiableelectronicstorytellingrealhistoryprocreatesendlesslyconjuringnewversionsofitself.Publiclifehasbecomeametaphysicalbreederoffictions.Watergatebecameanalmostcontinuoustelevisionminiseries--althoughitisinterestingthatthemovieofWoodwardandBernstein’sAllThePresident’sMenstayedclosetotheknownfactsandunlikeJFKdidnotvalidatedarkconjecture. ItisimpliedthatWarrenCommissionreport
Thelastsentenceofthepassageimpliesthat
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.18
ThewordhisinacrosswithnailsstuckthroughhishandsLine6Paragraph1refersto
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.6
AccordingtothedescriptionoftheauthorAsimo
FromthefifthparagraphwemayinferthatAnorexiaandBulimiaare
KingRichardIIIwasamonster.HepoisonedhiswifestolethethronefromhistwoyoungnephewsandorderedthemtobesmotheredintheTowerofLondon.RichardwasasortofAntichristtheKing--"thatbottledspiderthatpoisonousbunchbackedtoad." AnywaythatwasShakespeare’sversion.Shakespearedidwhattheplaywrightdoes:heturnedhistoryintoavividarticulateorganizeddream-repeatablenightly.Heputthecrouchbackonstageandsoldtickets. AndwhoWouldsaythattherealRichardknowntofamilyandfriendswasnotidenticaltoShakespeare’smemorablyloathsomecreationTheactualRichardwentdimmingintothepastandvanished.Whenalltheeye-witnessesaregonetheartist’simaginationbeginstotwist. VariationsontheKingRichardEffectareatworkinOliverStone’sJFK.RichardIIIwasartbutitwaspropagandatoo.ShakespearetookthedetailsofhisplotfromTudorhistorianswhowantedtoblackenRichard’sname.SeveralcenturiespassedbeforeotherhistoriansbegantowriteaboutRichard’svirtuesandsuggestthathemayhavebeenavictimofTudormaliceandwhatisthecleverestconspiracyofall:art. JFKisalongandpowerfulharangueaboutthedeathoftheman--Stonekeepscalling"theslainyoungking.’WhataretherulesofStone’sgameIsStonefunctioningascommercialentertainerPropagandistDocumentaryfilmmakerHistorianJournalistFantasistSensationalistCrazyconspiracy-mongerLoneherocrusadingforthetruthagainstacorruptEstablishmentAnswer:someoftheabove. ThefirstsuperficialeffectofJFKistoraiseangrylittlescrupleslikeweltsintheconscience.Wouldn’titbeabsurdifagenerationofyoungerAmericanswithnomemoryof1963weretoformtheirideasaboutJohnKennedy’sassassinationfromOliverStone’sreportofitButworsethingshavehappened--includingperhapstheWarrenCommissionreport StoneusesasuspectmixedartformandJFKraisesthefamiliarethicalandhistoricalproblemsofdocudrama.ButsowhatArtistshavealwaysusedpubliceventsasrawmaterialhavetakenhistoryintotheirimaginationsandtransformedit.ThefallofTroyvanishedintotheIliad.TheBattleofBorodinofounditsmostmemorablepermanenceinTolstoy’simaginingofitinWarandPeace. Especiallyinaworldofinsatiableelectronicstorytellingrealhistoryprocreatesendlesslyconjuringnewversionsofitself.Publiclifehasbecomeametaphysicalbreederoffictions.Watergatebecameanalmostcontinuoustelevisionminiseries--althoughitisinterestingthatthemovieofWoodwardandBernstein’sAllThePresident’sMenstayedclosetotheknownfactsandunlikeJFKdidnotvalidatedarkconjecture. Whichofthefollowingcanbestdescribetheauthor’scommentsonStone’sorganizationofplots
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.10
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.2
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wave-lengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9;thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.12
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