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Sustainable development is applied to just about everything from energy to clean water and economic ...
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可持续发展SustainableDevelopment
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Theideathatboysandgirls—andmenandwomen—areprogrammedbyevolutiontobehavedifferentlyfromoneanotherisnowwidelyacknowledged.Butwhichofthedifferencesbetweenthesexesarebiologicalinthesensethattheyhavebeenhonedbyevolutionandwhichareculturalorenvironmentalandmightmoreeasilybealteredbychangedcircumstancesisstillfiercelydebated.ThesensitivityofthequestionwasshownlastyearbyanuproaratHarvardUniversity.LarrySummersthenHarvard’spresidentcausedastormwhenhesuggestedthatinnateabilitycouldbeanimportantreasonwhythereweresofewwomeninthetoppositionsinmathematicsengineeringandthephysicalsciences.Evenasapropositionfordiscussionthisisunacceptabletosome.Butbiologicalexplanationsofhumanbehavioraremakingacomeback.Thesuccessofneo-Darwinismhasprovidedanintellectualfoundationfordiscussionaboutwhysomedifferencesbetweenthesexesmightbeinnate.Andnewscanningtechniqueshaveenabledresearcherstoexaminethebrain’sinteriorwhileitisworkingshowingthatmaleandfemalebrainsdoatoneleveloperatedifferently.Theresultshoweverdonotalwayssupportpastclichesaboutwhatthedifferencesinquestionactuallyare.OnebehavioraldifferencethathasborneahugeamountofscrutinyisinmathematicsparticularlysinceDr.Summers’comments.Theproblemwithtryingtoarguethatthemaletendencytosystemizemightleadtogreatermathematicalabilityisthatinfactgirlsandboysareequallygoodatmathspriortoteenageyears.Untilrecentlyitwasbelievedthatmalesoutperformedfemalesinmathematicsatallages.Todaythatpicturehaschangedanditappearsthatmalesandfemalesofanyageareequallygoodatcomputationandatunderstandingmathematicalconcepts.Howeveraftertheirmid-teensmenarebetteratproblemsolvingthanwomenare.ThequestionraisedbyDr.Summersdoesgettotheheartofthematter.Overthepast50yearswomenhavemadehugeprogressintoacademiaandwithinit.Slowlytheyhaveworkedtheirwayintothehigherechelonsofdisciplineafterdiscipline.ButsomepartsoftheivorytowerhaveprovedhardertooccupythanothersThequestionremainstowhatdegreeistheabsenceofwomeninsciencemathematicsandengineeringcausedbyinnateimmutableabilityInnateitmaywellbe.Thatdoesnotmeanitisimmutable.Avarietyofabilitiesareamenabletotraininginbothsexes.Andsuchtrainingworks.Biologymaypredisposebutitisnotnecessarilydestiny.WelearnfromParagraph1thatmenandwomen______.
Directions:Writeanessayof160～200wordsbasedonthefollowingdrawings.Inyouressayyoushould: 1describethedrawingbriefly 2explainitsintendedmeaningandthen 3giveyourcomments. YoushouldwriteneatlyonANSWERSHEET2.
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 10
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 18
Theideathatboysandgirls—andmenandwomen—areprogrammedbyevolutiontobehavedifferentlyfromoneanotherisnowwidelyacknowledged.Butwhichofthedifferencesbetweenthesexesarebiologicalinthesensethattheyhavebeenhonedbyevolutionandwhichareculturalorenvironmentalandmightmoreeasilybealteredbychangedcircumstancesisstillfiercelydebated.ThesensitivityofthequestionwasshownlastyearbyanuproaratHarvardUniversity.LarrySummersthenHarvard’spresidentcausedastormwhenhesuggestedthatinnateabilitycouldbeanimportantreasonwhythereweresofewwomeninthetoppositionsinmathematicsengineeringandthephysicalsciences.Evenasapropositionfordiscussionthisisunacceptabletosome.Butbiologicalexplanationsofhumanbehavioraremakingacomeback.Thesuccessofneo-Darwinismhasprovidedanintellectualfoundationfordiscussionaboutwhysomedifferencesbetweenthesexesmightbeinnate.Andnewscanningtechniqueshaveenabledresearcherstoexaminethebrain’sinteriorwhileitisworkingshowingthatmaleandfemalebrainsdoatoneleveloperatedifferently.Theresultshoweverdonotalwayssupportpastclichesaboutwhatthedifferencesinquestionactuallyare.OnebehavioraldifferencethathasborneahugeamountofscrutinyisinmathematicsparticularlysinceDr.Summers’comments.Theproblemwithtryingtoarguethatthemaletendencytosystemizemightleadtogreatermathematicalabilityisthatinfactgirlsandboysareequallygoodatmathspriortoteenageyears.Untilrecentlyitwasbelievedthatmalesoutperformedfemalesinmathematicsatallages.Todaythatpicturehaschangedanditappearsthatmalesandfemalesofanyageareequallygoodatcomputationandatunderstandingmathematicalconcepts.Howeveraftertheirmid-teensmenarebetteratproblemsolvingthanwomenare.ThequestionraisedbyDr.Summersdoesgettotheheartofthematter.Overthepast50yearswomenhavemadehugeprogressintoacademiaandwithinit.Slowlytheyhaveworkedtheirwayintothehigherechelonsofdisciplineafterdiscipline.ButsomepartsoftheivorytowerhaveprovedhardertooccupythanothersThequestionremainstowhatdegreeistheabsenceofwomeninsciencemathematicsandengineeringcausedbyinnateimmutableabilityInnateitmaywellbe.Thatdoesnotmeanitisimmutable.Avarietyofabilitiesareamenabletotraininginbothsexes.Andsuchtrainingworks.Biologymaypredisposebutitisnotnecessarilydestiny.Whichofthefollowingwouldbethebesttitleforthetext
AsksomeonetonameafamouspsychologistandchancesaretheywillpickSigmundFreud.Hisideasabouttheunconscious—asortofshadowybasementofthemindthatisinaccessibletorationalthoughtbutwhichneverthelessinfluencespeople’sbehaviour—arepartofpopularfolklore.Althoughitremainedpopularatdinnerpartiestheideaoftheunconsciousfelloutoffavouramong20th-centurypsychologiststhankstotheriseofmorescientificapproachestopsychology.Thesefocusedpurelyonstudyingbehaviourandrefrainedfromtheorisingabouttheinnerworkingsofthemind.InhislatestbookSubliminalLeonardMlodinowatheoreticalphysicistshowshowtheideaoftheunconscioushasbecomerespectableagainoverthepastcoupleofdecades.Thisdevelopmenthasbeenhelpedbyrigorousexperimentalevidenceoftheeffectsofthesubconsciousandespeciallybyreal-timebrain-scanningtechnologythatallowsresearcherstoexaminewhatisgoingonintheirsubjects’heads.ThatexperimentalevidencesuggeststhatasFreudsuspectedconsciousreasoningmakesupacomparativelysmallpart.oftheactivityinourbrainswithmostoftheworktakingplacewherewecan’ttapintoit.HoweverunlikeFreud’sunconsciousthemodernunconsciousisaplaceofsuper-fastdataprocessingusefulsurvivalmechanismsandrulesofthumbabouttheworldthathavebeentrainedbymillionsofyearsofevolution.Itistheunconsciousforinstancethatstitchestogetherdataoncolourshapemovementandperspectivetocreatethesightenjoyedbytheconsciouspart.ofthemind.ThemodemviewoftheunconsciousmindmaybemorebenignthanFreud’sbutitcanstillgenerateunwelcomeimpulses.Psychologiststheorisethatthewell-documentedtendencyofhumanstocategorisealmosteverypieceofinformationtheycomeacrossisasurvivalmechanismthatevolvedtoaidquickdecisionmaking.Yetitmayalsoliebehindthetendencyforhumanbeingstogrouppeopleintoracesgenderscreedsandthelikeandthentoapplycertaincharacteristics—unjustifiably—toeverymemberofthatgroup.Theinsightsofferedbymodemscienceintotheworkingsofthehumanmindarefascinatingintheirownright.Buttheyalsosuggestthatplentyofconventionalwisdomabouthowhumansbehavemayneedrethinking.ForinstanceMrMlodinownotesthateconomicmodelsarebuiltontheassumptionthatpeoplemakedecisionsbyconsciouslyweighingtherelevantfactorswhereasthepsychologicalresearchsuggeststhatmostofthetimetheydonosuchthing.Insteadtheyactonthebasisofsimpleunconsciousrulesthatcansometimesproducecompletelyirrationalresults.
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 8
Today’snewLaborDepartmentreportshowingthattheeconomylostjobslastmonththefirstlossthisyearseemsinstarkcontrasttowherethepresidentandtheCongressarefocusingtheirattentions.CongresshasrecessedwithoutextendingunemploymentbenefitsinlargemeasureduetorepeatedRepublicanobstruction.Theeconomyisnowpresentingastrangedichotomy.Thecorporatesectorhasreturnedtorudehealthwithimprovedbalancesheetsandtonsofcash.Ithashelpedleadtherecovery.41.AndyetWashington’sresponseseemstobeacollectivethrowingupofhands.Thereareafewthingsthegovernmentcandoaboutpersistentlong-termunemployment.Firstitcanlessenthepainitcausesbyexpandingthesafetynetextendingunemployment-insurancebenefitssothatthelong-termunemployedhaveasourceofcashtohelpthemstaycurrentonrentmortgageandcreditcardbills.Seconditcanrespondtopersistentlong-termunemploymentbyenactingpoliciesaimedatcreatingandpreservingjobs.42.ButsofarNothing.Andthequestioniswhy.Firstthere’sthematteroftheuncertaintrumpetattheFederalReserve.ChairmanBenBernankeseemdtodonothingabouthighunemployment.Attheveryleasthecouldhavelentmoralsupporttotheneedforfurtherstimulus—ffonlyoutofself-interest.43.Andpoliticsclearlyhasalottodowithit.OnthefringesoftheRepublicanrightthere’ssomestupidbehaviors—ie.NevadaSenatecandidateSharronAnglearguingthatlazinessandadesiretolivelargeoffunemploymentchecksisresponsibleforherstate’s14percentunemploymentrate.There’ssomenarrow-mindedness.Sen.BenNelsonaDemocratfromNebraskaastatewheretheunemploymentrateisabouthalfthenationalaveragejoinedtheRepublicanobstructionofanextensionofunemploymentbenefits—hisconstituentsdon’tneedit.Inthebroadcenterthere’salotofserioushypocriticalnonsense.44.FunnyhowsuchintegrityneversurfaceswhenlegislatorsvotetospendmuchlargersumsonthewarsinIraqandAfghanistanontheMedicareprescriptiondrugbenefitandontheBushtaxcuts.45.Theseeffortshaveexhaustedthepolicyteamanditscongressionalallies.Andperhapshighunemploymentissomethingwe’llhavetolivewithgiventhewaytheeconomyhasrecoveredfromrecentrecessions.Thepresident’sbudgetnotesevenwithhealthyeconomicgrowththereislikelytobeanextendedperiodofhigher-than-normalunemploymentlastingforseveralyears.A.IntheWhiteHousethere’sprobablyalevelofexhaustionandZen-likeacceptance—itpushedthroughalargestimuluspackageandmonumentalhealthcarereformtwoheroicmeasuresthatareworkingandwhosebenefitswillcontinuetophaseinovertime.B.ForDemocratsthere’snowaytocutthedeficitorfindrevenuefornewinitiativesunlesstheygrow.ShouldRepublicansretakecontroloftheHouseandSenatenextyeartheirfirstorderofbusinesswouldbetopreservetheBushtaxcutsthataresettoexpire—amovethatwouldmakealreadylargedeficitsevenlargerandthusrendersignificanttax-reductionimpossible.C.MaybehewantstoberememberedastheFedchairmanwhopresidedoveraneraofEuropeanlevelunemploymentwhenskillserodedandseveralgraduatingclassesenteredagluttedworkforce.D.AlongwithmanyothersenatorsNelsonopposedtherecentbenefitextensiononthegroundsthatitwasimmoralandwrongtoenacta$19billionspendingpackagewithoutoffsettingtaxincreasesorspendingcuts.E.ButwithoutthemightyAmericanconsumerwhogenerates70percentofeconomicactivityparticipatingtothefullestdegreetherecoverywillseemweak.Withoutahealthyjobsmarkettherecession-shockedconsumerwon’tspend.F.Andhe’sprobablyright.Republicanshavemadethecalculationthattheweakertheeconomyandtheemploymentmarketareinthenextfewmonthsthebettertheirprospectsfor2010and2012are—andthey’rerighttoo.G.Thesecantaketheformofsummerjobsprogramsenhancedpublicworksprogramsaidtostrappedmunicipalitiessotheycanavoidlayoffsandtaxcutsandcreditsforinvestmentandhiring.
Recalculatingtheglobaluseofphosphorusanimportantfertilizerelementofmodemagricultureateamofresearcherswarnsthattheworld’sstocksmaysoonbeinshortsupplyandthatoveruseintheindustrializedworldhasbecomealeadingcauseofthepollutionoflakesriversandstreams.WritingintheFeb.14editionofthejournalEnvironmentalResearchLettersStephenCarpenteroftheUniversityofWisconsin-MadisonandElenaBennettofMcGillUniversityreportthatthehumanuseofphosphorusprimarilyintheindustrializedworldiscausingthewidespreadeutrophicationoffreshsurfacewater.What’smoretheminableglobalstocksofphosphorusareconcentratedinjustafewcountriesandareindeclineposingtheriskofglobalshortageswithinthenext20years.ThereisafiniteamountofphosphorusintheworldsaysCarpenteroneoftheworld’sleadingauthoritiesonlakesandstreams.Thisisamaterialthat’sbecomingrarerandweneedtouseitmoreefficiently.Phosphorusisanessentialelementforlife.Livingorganismsincludinghumanshavesmallamountsandtheelementiscrucialfordrivingtheenergeticprocessesofcells.Inagriculturephosphorusminedfromancientmarinedepositsiswidelyusedtoboostcropyields.Theelementalsohasotherindustrialuses.Butexcessphosphorusfromfertilizerthatwashesfromfarmfieldsandsuburbanlawnsintolakesandstreamsistheprimarycauseofthealgaebloomsthatdestroyfreshwaterecosystemsariddegradewaterquality.Phosphoruspollutionposesarisktofishandotherwaterlifeaswellastotheanimalsandhumanswhodependoncleanfreshwater.Insomeinstancesexcessphosphorussparksbloomsoftoxicalgaewhichposeadirectthreattohumanandanimallife.IfyouhavetoomuchphosphorusyougeteutrophicationexplainsCarpenterofthecycleofexcessiveplantandalgaegrowththatsignificantlydegradesbodiesoffreshwater.Phosphorusstimulatesthegrowthofalgaeandweedsnearshoreandsomeofthealgaecancontaincyanobacteriawhicharetoxic.Youlosefish.Youlosewaterqualityfordrinking.Thefertilizer-fueledalgaebloomsthemselvesamplifytheproblemasthealgaedieandreleaseaccumulatedphosphorusbackintothewater.ComplicatingtheproblemsaysCarpenteristhefactthatexcessphosphorusintheenvironmentisaproblemprimarilyintheindustrializedworldmainlyEuropeNorthAmericaandpartsofAsia.InotherpartsoftheworldnotablyAfricaandAustraliasoilsarephosphoruspoorcreatingastarkimbalance.IronicallysoilsinplaceslikeNorthAmericawherefertilizerswithphosphorusaremostcommonlyappliedarealreadyloadedwiththeelement.BennettandCarpenterarguethatagriculturepracticestobetterconservephosphatewithinagriculturalecosystemsarenecessarytoavertthewidespreadpollutionofsurfacewaters.Phosphorusfrompartsoftheworldwheretheelementisabundanttheysaycanbemovedtophosphorusdeficientregionsoftheworldbyextractingphosphorusfrommanureforexampleusingmanuredigesters.Whichofthefollowingisnotcorrectabouttheuseofphosphorus
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 20
ThehistoryofresponsestotheworkoftheartistSandroBotticelli1444-1510suggeststhatwidespreadappreciationbycriticsisarelativelyrecentphenomenon.Writingin1550VasariexpressedanuneasewithBotticelli’sworkadmittingthattheartistfittedawkwardlyintohisevolutionaryschemeofthehistoryofart.OverthenexttwocenturiesacademicarthistoriansdefamedBotticelliinfavorofhisfellowsFlorentineMichelangelo.Evenwhenanti-academicarthistoriansoftheearlynineteenthcenturyrejectedmanyofthestandardsofevaluationadoptedbytheirpredecessorsBotticelli’sworkremainedoutsideofacceptedtastepleasingneitheramateurobserversnorconnoisseurs.Manyofhisbestpaintingshoweverremainedhiddenawayinobscurechurchesandprivatehomes.TheprimaryreasonforBotticelli’sunpopularityisnotdifficulttounderstand:mostobserversupuntilthemid-nineteenthcenturydidnotconsiderhimtobenoteworthybecausehisworkforthemostpartdidnotseemtotheseobserverstoexhibitthetraditionalcharacteristicsofthefifteenthcenturyFlorentineart.ForexampleBotticellirarelyemployedthetechniqueofstrictperspectiveandunlikeMichelangeloneverusedchiaroscuro.AnotherreasonforBotticelli’sunpopularitymayhavebeenthathisattitudetowardthestyleofclassicalartwasverydifferentfromthatofhiscontemporaries.Althoughhewasthoroughlyexposedtoclassicalartheshowedlittleinterestin-borrowingfromtheclassicalstyle.Indeeditisparadoxicalthatapainteroflarge-scaleclassicalsubjectsadoptedastylethatwasonlyslightlysimilartothatofclassicalart.InanycasewhenviewersbegantoexaminemorecloselytherelationshipofBotticelli’sworktothetraditionofthefifteenthcenturyFlorentinearthisreputationbegantogrow.AnalysesandassessmentsofBotticellimadebetween1850and1870bytheartistsofthePre-RaphaelitemovementaswellasbythewriterPateralthoughheunfortunatelybasedhisassessmentonanincorrectanalysisofBotticelli’spersonalityinspiredanewappreciationofBotticellithroughouttheEnglishspeakingworld.YetBotticelli’sworkespeciallytheSistinefrescoesdidnotgenerateworldwideattentionuntilitwasfinallysubjectedtoacomprehensiveandscrupulousanalysisbyHomein1908.HomerightlydemonstratedthatthefrescoessharedimportantfeatureswithpaintingsbyotherfifteenthcenturyFlorentines-featuressuchasskillfulrepresentationofanatomicalproportionsandofthehumanfigureinmotion.HoweverHomearguedthatBotticellididnottreatthesequalitiesasendsinthemselves—ratherthatheemphasizedcleardepletionofastoryauniqueachievementandonethatmadethetraditionalFlorentinequalitieslesscentral.BecauseofHome’semphasiscrucialtoanystudyofartthetwentiethcenturyhascometoappreciateBotticelli’sachievements.Wecanlearnfromthetextthatartcriticshaveahistoryof______.
Today’snewLaborDepartmentreportshowingthattheeconomylostjobslastmonththefirstlossthisyearseemsinstarkcontrasttowherethepresidentandtheCongressarefocusingtheirattentions.CongresshasrecessedwithoutextendingunemploymentbenefitsinlargemeasureduetorepeatedRepublicanobstruction.Theeconomyisnowpresentingastrangedichotomy.Thecorporatesectorhasreturnedtorudehealthwithimprovedbalancesheetsandtonsofcash.Ithashelpedleadtherecovery.41.AndyetWashington’sresponseseemstobeacollectivethrowingupofhands.Thereareafewthingsthegovernmentcandoaboutpersistentlong-termunemployment.Firstitcanlessenthepainitcausesbyexpandingthesafetynetextendingunemployment-insurancebenefitssothatthelong-termunemployedhaveasourceofcashtohelpthemstaycurrentonrentmortgageandcreditcardbills.Seconditcanrespondtopersistentlong-termunemploymentbyenactingpoliciesaimedatcreatingandpreservingjobs.42.ButsofarNothing.Andthequestioniswhy.Firstthere’sthematteroftheuncertaintrumpetattheFederalReserve.ChairmanBenBernankeseemdtodonothingabouthighunemployment.Attheveryleasthecouldhavelentmoralsupporttotheneedforfurtherstimulus—ffonlyoutofself-interest.43.Andpoliticsclearlyhasalottodowithit.OnthefringesoftheRepublicanrightthere’ssomestupidbehaviors—ie.NevadaSenatecandidateSharronAnglearguingthatlazinessandadesiretolivelargeoffunemploymentchecksisresponsibleforherstate’s14percentunemploymentrate.There’ssomenarrow-mindedness.Sen.BenNelsonaDemocratfromNebraskaastatewheretheunemploymentrateisabouthalfthenationalaveragejoinedtheRepublicanobstructionofanextensionofunemploymentbenefits—hisconstituentsdon’tneedit.Inthebroadcenterthere’salotofserioushypocriticalnonsense.44.FunnyhowsuchintegrityneversurfaceswhenlegislatorsvotetospendmuchlargersumsonthewarsinIraqandAfghanistanontheMedicareprescriptiondrugbenefitandontheBushtaxcuts.45.Theseeffortshaveexhaustedthepolicyteamanditscongressionalallies.Andperhapshighunemploymentissomethingwe’llhavetolivewithgiventhewaytheeconomyhasrecoveredfromrecentrecessions.Thepresident’sbudgetnotesevenwithhealthyeconomicgrowththereislikelytobeanextendedperiodofhigher-than-normalunemploymentlastingforseveralyears.A.IntheWhiteHousethere’sprobablyalevelofexhaustionandZen-likeacceptance—itpushedthroughalargestimuluspackageandmonumentalhealthcarereformtwoheroicmeasuresthatareworkingandwhosebenefitswillcontinuetophaseinovertime.B.ForDemocratsthere’snowaytocutthedeficitorfindrevenuefornewinitiativesunlesstheygrow.ShouldRepublicansretakecontroloftheHouseandSenatenextyeartheirfirstorderofbusinesswouldbetopreservetheBushtaxcutsthataresettoexpire—amovethatwouldmakealreadylargedeficitsevenlargerandthusrendersignificanttax-reductionimpossible.C.MaybehewantstoberememberedastheFedchairmanwhopresidedoveraneraofEuropeanlevelunemploymentwhenskillserodedandseveralgraduatingclassesenteredagluttedworkforce.D.AlongwithmanyothersenatorsNelsonopposedtherecentbenefitextensiononthegroundsthatitwasimmoralandwrongtoenacta$19billionspendingpackagewithoutoffsettingtaxincreasesorspendingcuts.E.ButwithoutthemightyAmericanconsumerwhogenerates70percentofeconomicactivityparticipatingtothefullestdegreetherecoverywillseemweak.Withoutahealthyjobsmarkettherecession-shockedconsumerwon’tspend.F.Andhe’sprobablyright.Republicanshavemadethecalculationthattheweakertheeconomyandtheemploymentmarketareinthenextfewmonthsthebettertheirprospectsfor2010and2012are—andthey’rerighttoo.G.Thesecantaketheformofsummerjobsprogramsenhancedpublicworksprogramsaidtostrappedmunicipalitiessotheycanavoidlayoffsandtaxcutsandcreditsforinvestmentandhiring.
Intherelationshipofeducationtobusinessweobservetodayafinestateofparadox.Ontheonehandtheemphasiswhichmostbusinessplacesuponacollegedegreeissogreatthatonecanalmostvisualizethetimewheneventheofficeboywillhavehisbaccalaureate.Ontheotherhandweseemtopreservethebeliefthatsomedeepintellectualchasmseparatesthebusinessmanfromotherproductsoftheuniversitysystem.ThenotionthatbusinesspeoplearequitethePhilistinessoundsabsurd.Forsomereasonwetendtocharacterizevocationsbystereotypesnonetooflatteringbutnonethelessdeeplyimbeddedinthenationalconscience.Inthecastofcharactersthebusinessmancomesonstageasanill-manneredandsimplemindedperson.Itisnotapleasantconceptionandnomoretruthfulorlessunpleasantthanourotherstereotypes. Businessismadeupofpeoplewithallkindsofbackgroundsallkindsofmotivationsandallkindsoftastesjustasinanyotherformofhumanendeavor.Businessmenarenotmobilebalancesheetsandprofitstatementsbutperfectlynormalhumanbeingssubjecttowhateverstrengthsfrailtiesandlimitationsthatcharacterizemanontheearth.Theyarepeoplegroupedtogetherinorganizationsdesignedtocomplementtheweaknessofonewithstrengthofanothertemperingtheexuberanceoftheyoungwiththecautionofthemorematurethepoeticsoaringsofonemindwiththecountinghouserealismofanother.Anydisfigurementwhichsocietymaysufferwillcomefrommanhimselfnotfromtheparticularvocationtowhichhedevoteshistime. Anygroupofpeoplenecessarilyrepresentsanapproachtoacommononeanditisprobablytruethatevenindividuallytheytendtoconformsomewhattothegeneralpattern.Manyhavepointedoutthedangerofengulfingouroriginalthinkersinatideofmediocrity.Conformityisnotanymoreprevalentoranymoreexactinginthebusinessfieldthanitisinanyother.Itisacharacteristicofallorganizationsofwhatevernature.Thefactisthelargebusinessunitprovidesgreateropportunitiesforindividualityandrequireslessinthewayofconformitythanotherinstitutionsofcomparablesize—thegovernmentortheacademicworldorcertainlythemilitary. Accordingtothetextthedistortionoftheimageofthebusinessmenistheresultof
Atdawnonem0minginearlyMaySeanCosgroveisstashingpilesofmapsnotesandphotocopieddocumentsinhisgymbagbeforeheadingforWestMilfordHigharuralschoolinnorthernmostNewJersey.Onhis30-minutecommutetheyoungformerinvestmentbankertriestodreamupnewwaysofliftingthemonumentallyforgettableMexicanWaroffthetextbookpageandintohisstudents’imaginations.CanheinvokethestoriedmemoriesofRobertE.LeewhocuthisfirstmilitaryexploitsontheplainsofVeracuz—orwillhebemetwiththunderingresponsesof"Who’sLee"ShouldheraiseJamesK.PolkoutofthemysticchordsofmemoryandhopeforananosecondthatthekidswillcareaboutthefirstU.S.presidentwhosteppedasidebecausehe’daccomplishedeverythinghewantedLet’sthinksomemore.Wellthere’salwaystheAlamo.Andheyisn’tthattheteachers’parkinglotupahead It’sneveraneasytask.ThesebigkidsinbigjeansandballcapscometohishistoryclassesbelievingthathistoryisaboutasusefulasLatin.Mostareeitherunawareorunimpressedthatthearea’sironforgesonceproducedartillerycannonforGeorgeWashington’sarmy.Theirsenseofhistoryorbitsmorenarrowlyaroundlastmonth’sadventureson"ShopRiteStrip"thestudents’nicknamefordowntownWestMilfordonceafactorytownnowaMagnetformiddleclassvacationers.Cosgrovelooksuncommonlyglumashethumbsthroughastackofexamsintheteachers’lounge."Ican’tbelieveanyoneinmyclasscouldthinkJohnBrownwasthegovernorofMassachusetts"moansCosgrove28pointingtoonestudent’stestpaper.Hehadtobesleepingfordaysonend.ThesamemorningstudentsinhiscollegeboundclasscouldnameonlyoneU.S.SupremeCourtjustice—ClarenceThomas.Allhiswitenergyandbeyondthetextbookresearchcan’tcompletelyreversethestudents’poorpreparationinhistorytheirlackofgeneralknowledgetheirnumbnesstotheoutsideworld.It’sthebaneofhistoryteachersateverylevel.WhenUniversityofVermontprofessorJamesLoewenaskedhisseniorsocialsciencemajorswhofoughtintheVietnamWar22percentansweredD.P.R.koreaandR.O.Korea.Don’tthesekidsevengotothemovies WhatdidCosgrovedobeforehebecameateacherteachinghistory
Theideathatboysandgirls—andmenandwomen—areprogrammedbyevolutiontobehavedifferentlyfromoneanotherisnowwidelyacknowledged.Butwhichofthedifferencesbetweenthesexesarebiologicalinthesensethattheyhavebeenhonedbyevolutionandwhichareculturalorenvironmentalandmightmoreeasilybealteredbychangedcircumstancesisstillfiercelydebated.ThesensitivityofthequestionwasshownlastyearbyanuproaratHarvardUniversity.LarrySummersthenHarvard’spresidentcausedastormwhenhesuggestedthatinnateabilitycouldbeanimportantreasonwhythereweresofewwomeninthetoppositionsinmathematicsengineeringandthephysicalsciences.Evenasapropositionfordiscussionthisisunacceptabletosome.Butbiologicalexplanationsofhumanbehavioraremakingacomeback.Thesuccessofneo-Darwinismhasprovidedanintellectualfoundationfordiscussionaboutwhysomedifferencesbetweenthesexesmightbeinnate.Andnewscanningtechniqueshaveenabledresearcherstoexaminethebrain’sinteriorwhileitisworkingshowingthatmaleandfemalebrainsdoatoneleveloperatedifferently.Theresultshoweverdonotalwayssupportpastclichesaboutwhatthedifferencesinquestionactuallyare.OnebehavioraldifferencethathasborneahugeamountofscrutinyisinmathematicsparticularlysinceDr.Summers’comments.Theproblemwithtryingtoarguethatthemaletendencytosystemizemightleadtogreatermathematicalabilityisthatinfactgirlsandboysareequallygoodatmathspriortoteenageyears.Untilrecentlyitwasbelievedthatmalesoutperformedfemalesinmathematicsatallages.Todaythatpicturehaschangedanditappearsthatmalesandfemalesofanyageareequallygoodatcomputationandatunderstandingmathematicalconcepts.Howeveraftertheirmid-teensmenarebetteratproblemsolvingthanwomenare.ThequestionraisedbyDr.Summersdoesgettotheheartofthematter.Overthepast50yearswomenhavemadehugeprogressintoacademiaandwithinit.Slowlytheyhaveworkedtheirwayintothehigherechelonsofdisciplineafterdiscipline.ButsomepartsoftheivorytowerhaveprovedhardertooccupythanothersThequestionremainstowhatdegreeistheabsenceofwomeninsciencemathematicsandengineeringcausedbyinnateimmutableabilityInnateitmaywellbe.Thatdoesnotmeanitisimmutable.Avarietyofabilitiesareamenabletotraininginbothsexes.Andsuchtrainingworks.Biologymaypredisposebutitisnotnecessarilydestiny.WhichofthefollowingistrueaccordingtoParagraph4
Whereverpeoplehavebeentheyhaveleftwastebehindwhichcancauseallsortsofproblems.Wasteoftenstinksattractsverminandcreateseyesores.Moreseriouslyitcanreleaseharmfulchemicalsintothesoilandwaterwhendumpedorintotheairwhenburned.Andthentherearesomereallynastyformsofindustrialwastesuchasspentnuclearfuelforwhichnouniversallyaccepteddisposalmethodshavethusfarbeendeveloped.Yetmanyalsoseewasteasanopportunity.Gettingridofitallhasbecomeahugeglobalbusiness.Richcountriesspendsome$120billionayeardisposingoftheirmunicipalwastealoneandanother$150billiononindustrialwaste.Theamountofwastethatcountriesproducetendstogrowintandemwiththeireconomiesandespeciallywiththerateofurbanization.SowastefirmsseearichfutureinplacessuchasChinaIndiaandBrazilwhichatpresentspendonlyabout$5billionayearcollectingandtreatingtheirmunicipalwaste.Wastealsopresentsanopportunityinagrandersense:asapotentialresource.Muchofitisalreadyburnedtogenerateenergy.Clevernewtechnologiestoturnitintofertiliserorchemicalsorfuelarebeingdevelopedallthetime.Visionariesseeaworldwithoutwastewithrubbishbeingroutinelyrecycled.Untillastsummersuchviewswerespreadingquickly.Butsincethenplummetingpricesforvirginpaperplasticandfuelsandhencealsoforthewastethatsubstitutesforthemhaveputanendtosuchvisions.Manyoftherecyclingfirmsthathadarguedrubbishwasonthewayoutnowsaythatunlesstheyaregivenfinancialhelptheythemselveswilldisappear.Subsidiesareabadidea.Governmentshavearoletoplayinthebusinessofwastemanagementbutitisaregulatoryandsupervisoryone.Theyshouldobligepeoplewhocreatewastetocleanupafterthemselvesandideallyensurethatthepriceofanyproductreflectsthecostofdisposingofitsafely.Thatwouldhelptosignalwhichitemsarehardesttogetridofgivingconsumersanincentivetobuygoodsthatcreatelesswasteinthefirstplace.Thatmaysoundsimpleenoughbutgovernmentsseldomgettherolesright.Inpoorercountriestheyoftenhavenorulesatalloriftheyhavethemtheyfailtoenforcethem.Inrichcountriestheyareofteninconsistent:toostrictaboutsomesortsofwasteandworryinglylaxaboutothers.Theyarealsopronetoimposingarbitrarytargetsandtaxes.Californiaforexamplewantstorecycleallitstrashnotbecauseitnecessarilymakesenvironmentaloreconomicsensebutbecausethegoalofzerowastesoundspoliticallyattractive.WastefirmsexpectagreatdevelopmentinChinaIndiaandBrazilbecause______.
AsksomeonetonameafamouspsychologistandchancesaretheywillpickSigmundFreud.Hisideasabouttheunconscious—asortofshadowybasementofthemindthatisinaccessibletorationalthoughtbutwhichneverthelessinfluencespeople’sbehaviour—arepartofpopularfolklore.Althoughitremainedpopularatdinnerpartiestheideaoftheunconsciousfelloutoffavouramong20th-centurypsychologiststhankstotheriseofmorescientificapproachestopsychology.Thesefocusedpurelyonstudyingbehaviourandrefrainedfromtheorisingabouttheinnerworkingsofthemind.InhislatestbookSubliminalLeonardMlodinowatheoreticalphysicistshowshowtheideaoftheunconscioushasbecomerespectableagainoverthepastcoupleofdecades.Thisdevelopmenthasbeenhelpedbyrigorousexperimentalevidenceoftheeffectsofthesubconsciousandespeciallybyreal-timebrain-scanningtechnologythatallowsresearcherstoexaminewhatisgoingonintheirsubjects’heads.ThatexperimentalevidencesuggeststhatasFreudsuspectedconsciousreasoningmakesupacomparativelysmallpart.oftheactivityinourbrainswithmostoftheworktakingplacewherewecan’ttapintoit.HoweverunlikeFreud’sunconsciousthemodernunconsciousisaplaceofsuper-fastdataprocessingusefulsurvivalmechanismsandrulesofthumbabouttheworldthathavebeentrainedbymillionsofyearsofevolution.Itistheunconsciousforinstancethatstitchestogetherdataoncolourshapemovementandperspectivetocreatethesightenjoyedbytheconsciouspart.ofthemind.ThemodemviewoftheunconsciousmindmaybemorebenignthanFreud’sbutitcanstillgenerateunwelcomeimpulses.Psychologiststheorisethatthewell-documentedtendencyofhumanstocategorisealmosteverypieceofinformationtheycomeacrossisasurvivalmechanismthatevolvedtoaidquickdecisionmaking.Yetitmayalsoliebehindthetendencyforhumanbeingstogrouppeopleintoracesgenderscreedsandthelikeandthentoapplycertaincharacteristics—unjustifiably—toeverymemberofthatgroup.Theinsightsofferedbymodemscienceintotheworkingsofthehumanmindarefascinatingintheirownright.Buttheyalsosuggestthatplentyofconventionalwisdomabouthowhumansbehavemayneedrethinking.ForinstanceMrMlodinownotesthateconomicmodelsarebuiltontheassumptionthatpeoplemakedecisionsbyconsciouslyweighingtherelevantfactorswhereasthepsychologicalresearchsuggeststhatmostofthetimetheydonosuchthing.Insteadtheyactonthebasisofsimpleunconsciousrulesthatcansometimesproducecompletelyirrationalresults.
Atdawnonem0minginearlyMaySeanCosgroveisstashingpilesofmapsnotesandphotocopieddocumentsinhisgymbagbeforeheadingforWestMilfordHigharuralschoolinnorthernmostNewJersey.Onhis30-minutecommutetheyoungformerinvestmentbankertriestodreamupnewwaysofliftingthemonumentallyforgettableMexicanWaroffthetextbookpageandintohisstudents’imaginations.CanheinvokethestoriedmemoriesofRobertE.LeewhocuthisfirstmilitaryexploitsontheplainsofVeracuz—orwillhebemetwiththunderingresponsesofWho’sLeeShouldheraiseJamesK.PolkoutofthemysticchordsofmemoryandhopeforananosecondthatthekidswillcareaboutthefirstU.S.presidentwhosteppedasidebecausehe’daccomplishedeverythinghewantedLet’sthinksomemore.Wellthere’salwaystheAlamo.Andheyisn’tthattheteachers’parkinglotupaheadIt’sneveraneasytask.ThesebigkidsinbigjeansandballcapscometohishistoryclassesbelievingthathistoryisaboutasusefulasLatin.Mostareeitherunawareorunimpressedthatthearea’sironforgesonceproducedartillerycannonforGeorgeWashington’sarmy.Theirsenseofhistoryorbitsmorenarrowlyaroundlastmonth’sadventuresonShopRiteStripthestudents’nicknamefordowntownWestMilfordonceafactorytownnowaMagnetformiddleclassvacationers.Cosgrovelooksuncommonlyglumashethumbsthroughastackofexamsintheteachers’lounge.Ican’tbelieveanyoneinmyclasscouldthinkJohnBrownwasthegovernorofMassachusettsmoansCosgrove28pointingtoonestudent’stestpaper.Hehadtobesleepingfordaysonend.ThesamemorningstudentsinhiscollegeboundclasscouldnameonlyoneU.S.SupremeCourtjustice—ClarenceThomas.Allhiswitenergyandbeyondthetextbookresearchcan’tcompletelyreversethestudents’poorpreparationinhistorytheirlackofgeneralknowledgetheirnumbnesstotheoutsideworld.It’sthebaneofhistoryteachersateverylevel.WhenUniversityofVermontprofessorJamesLoewenaskedhisseniorsocialsciencemajorswhofoughtintheVietnamWar22percentansweredD.P.R.koreaandR.O.Korea.Don’tthesekidsevengotothemoviesItcanbeinferredfromthepassagethat______.
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 12
Recalculatingtheglobaluseofphosphorusanimportantfertilizerelementofmodemagricultureateamofresearcherswarnsthattheworld’sstocksmaysoonbeinshortsupplyandthatoveruseintheindustrializedworldhasbecomealeadingcauseofthepollutionoflakesriversandstreams.WritingintheFeb.14editionofthejournalEnvironmentalResearchLettersStephenCarpenteroftheUniversityofWisconsin-MadisonandElenaBennettofMcGillUniversityreportthatthehumanuseofphosphorusprimarilyintheindustrializedworldiscausingthewidespreadeutrophicationoffreshsurfacewater.What’smoretheminableglobalstocksofphosphorusareconcentratedinjustafewcountriesandareindeclineposingtheriskofglobalshortageswithinthenext20years.ThereisafiniteamountofphosphorusintheworldsaysCarpenteroneoftheworld’sleadingauthoritiesonlakesandstreams.Thisisamaterialthat’sbecomingrarerandweneedtouseitmoreefficiently.Phosphorusisanessentialelementforlife.Livingorganismsincludinghumanshavesmallamountsandtheelementiscrucialfordrivingtheenergeticprocessesofcells.Inagriculturephosphorusminedfromancientmarinedepositsiswidelyusedtoboostcropyields.Theelementalsohasotherindustrialuses.Butexcessphosphorusfromfertilizerthatwashesfromfarmfieldsandsuburbanlawnsintolakesandstreamsistheprimarycauseofthealgaebloomsthatdestroyfreshwaterecosystemsariddegradewaterquality.Phosphoruspollutionposesarisktofishandotherwaterlifeaswellastotheanimalsandhumanswhodependoncleanfreshwater.Insomeinstancesexcessphosphorussparksbloomsoftoxicalgaewhichposeadirectthreattohumanandanimallife.IfyouhavetoomuchphosphorusyougeteutrophicationexplainsCarpenterofthecycleofexcessiveplantandalgaegrowththatsignificantlydegradesbodiesoffreshwater.Phosphorusstimulatesthegrowthofalgaeandweedsnearshoreandsomeofthealgaecancontaincyanobacteriawhicharetoxic.Youlosefish.Youlosewaterqualityfordrinking.Thefertilizer-fueledalgaebloomsthemselvesamplifytheproblemasthealgaedieandreleaseaccumulatedphosphorusbackintothewater.ComplicatingtheproblemsaysCarpenteristhefactthatexcessphosphorusintheenvironmentisaproblemprimarilyintheindustrializedworldmainlyEuropeNorthAmericaandpartsofAsia.InotherpartsoftheworldnotablyAfricaandAustraliasoilsarephosphoruspoorcreatingastarkimbalance.IronicallysoilsinplaceslikeNorthAmericawherefertilizerswithphosphorusaremostcommonlyappliedarealreadyloadedwiththeelement.BennettandCarpenterarguethatagriculturepracticestobetterconservephosphatewithinagriculturalecosystemsarenecessarytoavertthewidespreadpollutionofsurfacewaters.Phosphorusfrompartsoftheworldwheretheelementisabundanttheysaycanbemovedtophosphorusdeficientregionsoftheworldbyextractingphosphorusfrommanureforexampleusingmanuredigesters.Accordingtothelastparagraphwelearnthat______.
AsksomeonetonameafamouspsychologistandchancesaretheywillpickSigmundFreud.Hisideasabouttheunconscious—asortofshadowybasementofthemindthatisinaccessibletorationalthoughtbutwhichneverthelessinfluencespeople’sbehaviour—arepartofpopularfolklore.Althoughitremainedpopularatdinnerpartiestheideaoftheunconsciousfelloutoffavouramong20th-centurypsychologiststhankstotheriseofmorescientificapproachestopsychology.Thesefocusedpurelyonstudyingbehaviourandrefrainedfromtheorisingabouttheinnerworkingsofthemind.InhislatestbookSubliminalLeonardMlodinowatheoreticalphysicistshowshowtheideaoftheunconscioushasbecomerespectableagainoverthepastcoupleofdecades.Thisdevelopmenthasbeenhelpedbyrigorousexperimentalevidenceoftheeffectsofthesubconsciousandespeciallybyreal-timebrain-scanningtechnologythatallowsresearcherstoexaminewhatisgoingonintheirsubjects’heads.ThatexperimentalevidencesuggeststhatasFreudsuspectedconsciousreasoningmakesupacomparativelysmallpart.oftheactivityinourbrainswithmostoftheworktakingplacewherewecan’ttapintoit.HoweverunlikeFreud’sunconsciousthemodernunconsciousisaplaceofsuper-fastdataprocessingusefulsurvivalmechanismsandrulesofthumbabouttheworldthathavebeentrainedbymillionsofyearsofevolution.Itistheunconsciousforinstancethatstitchestogetherdataoncolourshapemovementandperspectivetocreatethesightenjoyedbytheconsciouspart.ofthemind.ThemodemviewoftheunconsciousmindmaybemorebenignthanFreud’sbutitcanstillgenerateunwelcomeimpulses.Psychologiststheorisethatthewell-documentedtendencyofhumanstocategorisealmosteverypieceofinformationtheycomeacrossisasurvivalmechanismthatevolvedtoaidquickdecisionmaking.Yetitmayalsoliebehindthetendencyforhumanbeingstogrouppeopleintoracesgenderscreedsandthelikeandthentoapplycertaincharacteristics—unjustifiably—toeverymemberofthatgroup.Theinsightsofferedbymodemscienceintotheworkingsofthehumanmindarefascinatingintheirownright.Buttheyalsosuggestthatplentyofconventionalwisdomabouthowhumansbehavemayneedrethinking.ForinstanceMrMlodinownotesthateconomicmodelsarebuiltontheassumptionthatpeoplemakedecisionsbyconsciouslyweighingtherelevantfactorswhereasthepsychologicalresearchsuggeststhatmostofthetimetheydonosuchthing.Insteadtheyactonthebasisofsimpleunconsciousrulesthatcansometimesproducecompletelyirrationalresults.
Recalculatingtheglobaluseofphosphorusanimportantfertilizerelementofmodemagricultureateamofresearcherswarnsthattheworld’sstocksmaysoonbeinshortsupplyandthatoveruseintheindustrializedworldhasbecomealeadingcauseofthepollutionoflakesriversandstreams.WritingintheFeb.14editionofthejournalEnvironmentalResearchLettersStephenCarpenteroftheUniversityofWisconsin-MadisonandElenaBennettofMcGillUniversityreportthatthehumanuseofphosphorusprimarilyintheindustrializedworldiscausingthewidespreadeutrophicationoffreshsurfacewater.What’smoretheminableglobalstocksofphosphorusareconcentratedinjustafewcountriesandareindeclineposingtheriskofglobalshortageswithinthenext20years.ThereisafiniteamountofphosphorusintheworldsaysCarpenteroneoftheworld’sleadingauthoritiesonlakesandstreams.Thisisamaterialthat’sbecomingrarerandweneedtouseitmoreefficiently.Phosphorusisanessentialelementforlife.Livingorganismsincludinghumanshavesmallamountsandtheelementiscrucialfordrivingtheenergeticprocessesofcells.Inagriculturephosphorusminedfromancientmarinedepositsiswidelyusedtoboostcropyields.Theelementalsohasotherindustrialuses.Butexcessphosphorusfromfertilizerthatwashesfromfarmfieldsandsuburbanlawnsintolakesandstreamsistheprimarycauseofthealgaebloomsthatdestroyfreshwaterecosystemsariddegradewaterquality.Phosphoruspollutionposesarisktofishandotherwaterlifeaswellastotheanimalsandhumanswhodependoncleanfreshwater.Insomeinstancesexcessphosphorussparksbloomsoftoxicalgaewhichposeadirectthreattohumanandanimallife.IfyouhavetoomuchphosphorusyougeteutrophicationexplainsCarpenterofthecycleofexcessiveplantandalgaegrowththatsignificantlydegradesbodiesoffreshwater.Phosphorusstimulatesthegrowthofalgaeandweedsnearshoreandsomeofthealgaecancontaincyanobacteriawhicharetoxic.Youlosefish.Youlosewaterqualityfordrinking.Thefertilizer-fueledalgaebloomsthemselvesamplifytheproblemasthealgaedieandreleaseaccumulatedphosphorusbackintothewater.ComplicatingtheproblemsaysCarpenteristhefactthatexcessphosphorusintheenvironmentisaproblemprimarilyintheindustrializedworldmainlyEuropeNorthAmericaandpartsofAsia.InotherpartsoftheworldnotablyAfricaandAustraliasoilsarephosphoruspoorcreatingastarkimbalance.IronicallysoilsinplaceslikeNorthAmericawherefertilizerswithphosphorusaremostcommonlyappliedarealreadyloadedwiththeelement.BennettandCarpenterarguethatagriculturepracticestobetterconservephosphatewithinagriculturalecosystemsarenecessarytoavertthewidespreadpollutionofsurfacewaters.Phosphorusfrompartsoftheworldwheretheelementisabundanttheysaycanbemovedtophosphorusdeficientregionsoftheworldbyextractingphosphorusfrommanureforexampleusingmanuredigesters.Welearnfromtheparagraph1thatthepollutionoflakesriversandstreamsismainlycausedby______.
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 2
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 16
ThehistoryofresponsestotheworkoftheartistSandroBotticelli1444-1510suggeststhatwidespreadappreciationbycriticsisarelativelyrecentphenomenon.Writingin1550VasariexpressedanuneasewithBotticelli’sworkadmittingthattheartistfittedawkwardlyintohisevolutionaryschemeofthehistoryofart.OverthenexttwocenturiesacademicarthistoriansdefamedBotticelliinfavorofhisfellowsFlorentineMichelangelo.Evenwhenanti-academicarthistoriansoftheearlynineteenthcenturyrejectedmanyofthestandardsofevaluationadoptedbytheirpredecessorsBotticelli’sworkremainedoutsideofacceptedtastepleasingneitheramateurobserversnorconnoisseurs.Manyofhisbestpaintingshoweverremainedhiddenawayinobscurechurchesandprivatehomes.TheprimaryreasonforBotticelli’sunpopularityisnotdifficulttounderstand:mostobserversupuntilthemid-nineteenthcenturydidnotconsiderhimtobenoteworthybecausehisworkforthemostpartdidnotseemtotheseobserverstoexhibitthetraditionalcharacteristicsofthefifteenthcenturyFlorentineart.ForexampleBotticellirarelyemployedthetechniqueofstrictperspectiveandunlikeMichelangeloneverusedchiaroscuro.AnotherreasonforBotticelli’sunpopularitymayhavebeenthathisattitudetowardthestyleofclassicalartwasverydifferentfromthatofhiscontemporaries.Althoughhewasthoroughlyexposedtoclassicalartheshowedlittleinterestin-borrowingfromtheclassicalstyle.Indeeditisparadoxicalthatapainteroflarge-scaleclassicalsubjectsadoptedastylethatwasonlyslightlysimilartothatofclassicalart.InanycasewhenviewersbegantoexaminemorecloselytherelationshipofBotticelli’sworktothetraditionofthefifteenthcenturyFlorentinearthisreputationbegantogrow.AnalysesandassessmentsofBotticellimadebetween1850and1870bytheartistsofthePre-RaphaelitemovementaswellasbythewriterPateralthoughheunfortunatelybasedhisassessmentonanincorrectanalysisofBotticelli’spersonalityinspiredanewappreciationofBotticellithroughouttheEnglishspeakingworld.YetBotticelli’sworkespeciallytheSistinefrescoesdidnotgenerateworldwideattentionuntilitwasfinallysubjectedtoacomprehensiveandscrupulousanalysisbyHomein1908.HomerightlydemonstratedthatthefrescoessharedimportantfeatureswithpaintingsbyotherfifteenthcenturyFlorentines-featuressuchasskillfulrepresentationofanatomicalproportionsandofthehumanfigureinmotion.HoweverHomearguedthatBotticellididnottreatthesequalitiesasendsinthemselves—ratherthatheemphasizedcleardepletionofastoryauniqueachievementandonethatmadethetraditionalFlorentinequalitieslesscentral.BecauseofHome’semphasiscrucialtoanystudyofartthetwentiethcenturyhascometoappreciateBotticelli’sachievements.ThewordconnoisseursParagraph1mostprobablymeans______.
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 4
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 14
Atdawnonem0minginearlyMaySeanCosgroveisstashingpilesofmapsnotesandphotocopieddocumentsinhisgymbagbeforeheadingforWestMilfordHigharuralschoolinnorthernmostNewJersey.Onhis30-minutecommutetheyoungformerinvestmentbankertriestodreamupnewwaysofliftingthemonumentallyforgettableMexicanWaroffthetextbookpageandintohisstudents’imaginations.CanheinvokethestoriedmemoriesofRobertE.LeewhocuthisfirstmilitaryexploitsontheplainsofVeracuz—orwillhebemetwiththunderingresponsesof"Who’sLee"ShouldheraiseJamesK.PolkoutofthemysticchordsofmemoryandhopeforananosecondthatthekidswillcareaboutthefirstU.S.presidentwhosteppedasidebecausehe’daccomplishedeverythinghewantedLet’sthinksomemore.Wellthere’salwaystheAlamo.Andheyisn’tthattheteachers’parkinglotupahead It’sneveraneasytask.ThesebigkidsinbigjeansandballcapscometohishistoryclassesbelievingthathistoryisaboutasusefulasLatin.Mostareeitherunawareorunimpressedthatthearea’sironforgesonceproducedartillerycannonforGeorgeWashington’sarmy.Theirsenseofhistoryorbitsmorenarrowlyaroundlastmonth’sadventureson"ShopRiteStrip"thestudents’nicknamefordowntownWestMilfordonceafactorytownnowaMagnetformiddleclassvacationers.Cosgrovelooksuncommonlyglumashethumbsthroughastackofexamsintheteachers’lounge."Ican’tbelieveanyoneinmyclasscouldthinkJohnBrownwasthegovernorofMassachusetts"moansCosgrove28pointingtoonestudent’stestpaper.Hehadtobesleepingfordaysonend.ThesamemorningstudentsinhiscollegeboundclasscouldnameonlyoneU.S.SupremeCourtjustice—ClarenceThomas.Allhiswitenergyandbeyondthetextbookresearchcan’tcompletelyreversethestudents’poorpreparationinhistorytheirlackofgeneralknowledgetheirnumbnesstotheoutsideworld.It’sthebaneofhistoryteachersateverylevel.WhenUniversityofVermontprofessorJamesLoewenaskedhisseniorsocialsciencemajorswhofoughtintheVietnamWar22percentansweredD.P.R.koreaandR.O.Korea.Don’tthesekidsevengotothemovies What’sthemeaningofthewordbaneinthelastparagraph
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 6
Whereverpeoplehavebeentheyhaveleftwastebehindwhichcancauseallsortsofproblems.Wasteoftenstinksattractsverminandcreateseyesores.Moreseriouslyitcanreleaseharmfulchemicalsintothesoilandwaterwhendumpedorintotheairwhenburned.Andthentherearesomereallynastyformsofindustrialwastesuchasspentnuclearfuelforwhichnouniversallyaccepteddisposalmethodshavethusfarbeendeveloped. Yetmanyalsoseewasteasanopportunity.Gettingridofitallhasbecomeahugeglobalbusiness.Richcountriesspendsome$120billionayeardisposingoftheirmunicipalwastealoneandanother$150billiononindustrialwaste.Theamountofwastethatcountriesproducetendstogrowintandemwiththeireconomiesandespeciallywiththerateofurbanization.SowastefirmsseearichfutureinplacessuchasChinaIndiaandBrazilwhichatpresentspendonlyabout$5billionayearcollectingandtreatingtheirmunicipalwaste. Wastealsopresentsanopportunityinagrandersense:asapotentialresource.Muchofitisalreadyburnedtogenerateenergy.Clevernewtechnologiestoturnitintofertiliserorchemicalsorfuelarebeingdevelopedallthetime.Visionariesseeaworldwithoutwastewithrubbishbeingroutinelyrecycled. Untillastsummersuchviewswerespreadingquickly.Butsincethenplummetingpricesforvirginpaperplasticandfuelsandhencealsoforthewastethatsubstitutesforthemhaveputanendtosuchvisions.Manyoftherecyclingfirmsthathadarguedrubbishwasonthewayoutnowsaythatunlesstheyaregivenfinancialhelptheythemselveswilldisappear. Subsidiesareabadidea.Governmentshavearoletoplayinthebusinessofwastemanagementbutitisaregulatoryandsupervisoryone.Theyshouldobligepeoplewhocreatewastetocleanupafterthemselvesandideallyensurethatthepriceofanyproductreflectsthecostofdisposingofitsafely.Thatwouldhelptosignalwhichitemsarehardesttogetridofgivingconsumersanincentivetobuygoodsthatcreatelesswasteinthefirstplace. Thatmaysoundsimpleenoughbutgovernmentsseldomgettherolesright.Inpoorercountriestheyoftenhavenorulesatalloriftheyhavethemtheyfailtoenforcethem.Inrichcountriestheyareofteninconsistent:toostrictaboutsomesortsofwasteandworryinglylaxaboutothers.Theyarealsopronetoimposingarbitrarytargetsandtaxes.Californiaforexamplewantstorecycleallitstrashnotbecauseitnecessarilymakesenvironmentaloreconomicsensebutbecausethegoalof"zerowaste"soundspoliticallyattractive. Accordingtotheauthor’sidealproductswithhighprices
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