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已知矩阵有三个线性无关的特征向量，求a的值，并求An．
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已知3阶矩阵A有三个互相正交的特征向量证明A是对称矩阵．
已知矩阵有三个线性无关的特征向量求a的值并求An．
已知A是3阶矩阵α1α2α3是线性无关的3维列向量满足Aα1=-α1-3α2-3α3Aα2=4α1+
已知3阶矩阵A与3维列向量α若αAαA2α线性无关且A3α=3Aα-2A2α试求矩阵A的特征值与特征
已知A是三阶矩阵α1α2α3是线性无关的三维列向量满足Ⅰ求矩阵A的特征值Ⅱ求矩阵A的特征向量Ⅲ求矩阵
已知A是3阶矩阵α1α2α3是线性无关的3维列向量满足Aα1=-α1-3α2-3α3Aα2=4α1+
已知二维向量α不是二阶方阵A的特征向量Ⅰ证明αAα线性无关Ⅱ若A2α+Aα-6α=0求A的全部特征值
已知λ1=6λ2=λ3=3是实对称矩阵A的三个特征值．且对应于λ2=λ3=3的特征向量为α2=-10
已知λ1=6λ2=λ3=3是实对称矩阵A的三个特征值且对应于λ2=λ3=3的特征向量为α2=-101
已知A是3阶矩阵α1α2α3是线性无关的3维列向量满足Aα1=-α1-3α2-3α3Aα2=4α1+
已知矩阵有三个线性无关的特征向量求a的值并求An．
已知λ1=6λ2=λ3=3是实对称矩阵A的三个特征值且对应于λ2=λ3=3的特征向量为α2=-101
已知A是3阶矩阵α1α2α3是线性无关的3维列向量满足Aα1=-α1-3α2-3α3Aα2=4α1+
已知矩阵有三个线性无关的特征向量求a的值并求An
已知矩阵有三个线性无关的特征向量求a的值并求An.
n阶矩阵A可对角化的充分必要条件是
A有n个相异的特征值．
A
T
有n个相异的特征值．
A有n个相异的特征向量．
A的任一特征值的重数与其对应的线性无关特征向量的个数相同．
已知λ1=6λ2=λ3=3是实对称矩阵A的三个特征值且对应于λ2=λ3=3的特征向量为α2=-101
已知2维非零向量α不是2阶方阵A的特征向量．Ⅰ证明αAα线性无关Ⅱ若αA满足A2α+Aα-6α=0求
已知矩阵有3个线性无关的特征向量λ=5是矩阵A的二重特征值A*是矩阵A的伴随矩阵求可逆矩阵P使P-1
有三个线性无关的特征向量λ=5是矩阵A的二重特征值A*是矩阵A的伴随矩阵求可逆矩阵P使P-1A*P为
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Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 7
Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 1
Directions:Atpresentmuchattentionisbeingattachedtotheenvironmentalprotection.Writealettertoadvocatecar-pooling.Andinyourletteryoushouldatleaststatetheaimofyourwritingandtheadvantagesofcar-pooling.Youshouldwriteabout100wordsonANSWERSHEET2.Donotsignyourownnameattheendoftheletter.UseLiMinginstead.Youdonotneedtowritetheaddress.
[A]DrDanielStanleyanoceanographerhasfoundvolcanicshardsinEgyptthathebelievesarelinkedtotheexplosion.ComputersimulationsbyMikeRampinoaclimatemodelerfromNewYorkUniversityshowthattheresultingashcloudcouldhaveplungedtheareaintodarknessaswellasgeneratinglightningandhailtwoofthe10plagues. [B]Thecloudcouldhavealsoreducedtherainfallcausingadrought.IftheNilehadthenbeenpoisonedbytheeffectsoftheeruptionpollutioncouldhaveturneditredashappenedinarecentenvironmentaldisasterinAmerica.Thesamepollutioncouldhavedrivenmillionsoffrogsontothelandthesecondplague.Onlandthefrogswoulddieremovingtheonlyobstacletoanexplosionoffliesandlice—thethirdandfourthplagues.Thefliescouldhavetransmittedfataldiseasestocattlethefifthplagueandboilsandblisterstohumansthesixthplague. [C]MoseswhichwillbebroadcastinDecember2002willsuggestthatmuchoftheBiblestorycanheexplainedbyasinglenaturaldisasterahugevolcaniceruptionontheGreekislandofSantoriniinthe16thcenturyBC. [D]Thehour-longdocumentaryarguesthateventhestoryofthepartingoftheRedSeawhichallowedMosestoleadtheHebrewstosafetywhilethepursuingEgyptianarmywasdrownedmayhaveitsoriginsintheeruption.Itrepeatsthetheorythat"RedSea"isamistranslationoftheSeaofReedsamuchshallowerswamp. [E]TheprogrammetellsthestoryofhowMosesledtheHebrewsoutofEgyptafteraseriesofplagueshaddevastatedthecountry.Butitalsousesnewscientificresearchtoarguethatmanyoftheeventssurroundingtheexoduscouldhavebeentriggeredbytheeruptionwhichwouldhavebeenathousandtimesmorepowerfulthananuclearbomb. [F]ComputersimulationsshowthattheSantorinieruptioncouldhavetriggereda600ft-hightidalwavetravelingatabout400milesanhourwhichwouldhavebeen6fthighandahundredmileslongwhenitreachedtheEgyptiandelta.Suchaneventwouldhavebeenrememberedforgenerationsandmayhaveprovidedtheinspirationforthestory. [G]FreshevidencethattheBiblicalplaguesandthepartingoftheRedSeawerenaturaleventsratherthanmythsormiraclesistobepresentedinanewBBCdocumentary. Order: 41
In1929JohnD.Rockefellerdecideditwastimetosellshareswhenevenashoe-shineboyofferedhimasharetip.DuringthepastweekTheEconomist’seconomicseditorhasbeen-advisedbyataxidriveraplumberandahairdresserthatyoucan’tgowronginvestinginhousing—themoreyouownthebetter.IsthisasignthatitistimetogetoutAttheveryleastashousepricesaroundtheworldclimbtoeverloftierheightsandmoreandmorepeoplejumpontothebuy-to-letladderitistimetoexposesomeofthefallaciesregularlytrottedoutbysomanyself-appointedhousingexperts.Onecommonerroristhathousepricesmustcontinuetorisebecauseofalimitedsupplyofland.ForinstanceitisarguedthathousepriceswillalwaysriseinLondonbecauselotsofpeoplewanttolivehere.Butthisconfusesthelevelofpriceswiththeirrateofchange.Homepricesareboundtobehigherinbigcitiesbecauseoflandscarcitybutthisdoesnotguaranteethaturbanhousepriceswillkeeprisingindefinitely—justlookatTokyo’shugeprice-dropssince1990.Andthoughitistruethatafixedsupplyofhomesmaypushuphousepricesifthepopulationisrisingthiswouldimplyasteadyriseinpricesnotthe20%annualjumpsofrecentyears.Asecondflawedargumentisthatlowinterestratesmakebuyingahomecheaperandsopushupdemandandprices.Lowerinterestratesmayhaveallowedsomepeoplewhootherwisecouldnothaveaffordedamortgagetobuyahome.Butmanyborrowerswhothinkmortgagesarecheaperaresufferingfrommoneyillusion.Interestratesarenotverylowinrealinflation-adjustedterms.Initialinterestpaymentsmayseemlowinrelationtoincomebutbecauseinflationisalsolowitwillnoterodetherealburdenofdebtasswiftlyasitoncedid.Soinlateryearsmortgagepaymentswillbemuchlargerinrealterms.Toarguethatlownominalinterestratesmakebuyingahomecheaperislikearguingthatacarloanpaidoffoverfouryearsischeaperthanonerepaidovertwoyears.FallacynumberthreeisafavouriteclaimofAlanGreenspanchairmanofAmerica’sFederalReserve.Thisisthatpricebubblesarelesslikelyinhousingthaninthestockmarketbecausehighertransactioncostsdiscouragespeculation.Infactseveralstudieshaveshownthatbothintheoryandinpracticebubblesaremorelikelyinhousingthaninshares.AstudybytheIMFfindsthatasharpriseinhousepricesisfarmorelikelytobefollowedbyabustthanisashare-priceboom.Theauthorofthetextmakesacomparisonin______.
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Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 15
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In1929JohnD.Rockefellerdecideditwastimetosellshareswhenevenashoe-shineboyofferedhimasharetip.DuringthepastweekTheEconomist’seconomicseditorhasbeen-advisedbyataxidriveraplumberandahairdresserthatyoucan’tgowronginvestinginhousing—themoreyouownthebetter.IsthisasignthatitistimetogetoutAttheveryleastashousepricesaroundtheworldclimbtoeverloftierheightsandmoreandmorepeoplejumpontothebuy-to-letladderitistimetoexposesomeofthefallaciesregularlytrottedoutbysomanyself-appointedhousingexperts.Onecommonerroristhathousepricesmustcontinuetorisebecauseofalimitedsupplyofland.ForinstanceitisarguedthathousepriceswillalwaysriseinLondonbecauselotsofpeoplewanttolivehere.Butthisconfusesthelevelofpriceswiththeirrateofchange.Homepricesareboundtobehigherinbigcitiesbecauseoflandscarcitybutthisdoesnotguaranteethaturbanhousepriceswillkeeprisingindefinitely—justlookatTokyo’shugeprice-dropssince1990.Andthoughitistruethatafixedsupplyofhomesmaypushuphousepricesifthepopulationisrisingthiswouldimplyasteadyriseinpricesnotthe20%annualjumpsofrecentyears.Asecondflawedargumentisthatlowinterestratesmakebuyingahomecheaperandsopushupdemandandprices.Lowerinterestratesmayhaveallowedsomepeoplewhootherwisecouldnothaveaffordedamortgagetobuyahome.Butmanyborrowerswhothinkmortgagesarecheaperaresufferingfrommoneyillusion.Interestratesarenotverylowinrealinflation-adjustedterms.Initialinterestpaymentsmayseemlowinrelationtoincomebutbecauseinflationisalsolowitwillnoterodetherealburdenofdebtasswiftlyasitoncedid.Soinlateryearsmortgagepaymentswillbemuchlargerinrealterms.Toarguethatlownominalinterestratesmakebuyingahomecheaperislikearguingthatacarloanpaidoffoverfouryearsischeaperthanonerepaidovertwoyears.FallacynumberthreeisafavouriteclaimofAlanGreenspanchairmanofAmerica’sFederalReserve.Thisisthatpricebubblesarelesslikelyinhousingthaninthestockmarketbecausehighertransactioncostsdiscouragespeculation.Infactseveralstudieshaveshownthatbothintheoryandinpracticebubblesaremorelikelyinhousingthaninshares.AstudybytheIMFfindsthatasharpriseinhousepricesisfarmorelikelytobefollowedbyabustthanisashare-priceboom.Towhichofthefollowingisauthorlikelytoagree
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Inthepastyearalothaschangedinthefieldofhumanspaceflight.46InJanuaryPresidentGeorgeBushbrushedasidethefactthatAmerica’sentirespace-shuttlefleetwasgroundedwhenheannouncedgrandioseplanstoputpeoplebackonthemoonandthentolaunchamannedmissiontoMars.47InJuneButtRutananAmericanaeronauticalengineershowedthathumanspaceflightwasnolongerthepreserveofgovernmentsbysendingamantotheedgeofspaceinSpaceShipOneaprivatelyfinancedvehiclethatcostaboutthesametobuildasaluxuryyacht.ThatwasfollowedinSeptemberbySirRichardBransontheBritishentrepreneurbehindtheVirginbrandannouncingthathehadsignedadealwithMrRutantoworkonplansforafleetoffivesuborbitalvehiclesdevelopedfromSpaceShipOne. 48NowinthedyingdaysoftheyearAmerica’sCongresshaspassedabillthatunravelsatangleaboutwhowouldberesponsibleforregulatingthefledglingindustryandunderwhatterms.49ThebillalsoallowspassengerstoflyontheunderstandingthatthisnewgenerationofvehiclesmaynotbeassafeastakingacommercialflightbetweensayNewYorkandLondon. TheofficiallinefromVirginGalacticaasSirRichard’slatestventureismodestlynamedisthatthiscomingchangeinthelawmakesnopracticaldifferencetothefirm’splanssincetheydonotintendtoflyunlesstheycanmaketheirspacecraftassafeasaprivatejet.Butitmustsurelycomeassomesortofrelief.InanycaseWillWhitehorndirectorofcorporateaffairsatVirgin’sheadquartersinLondonandsoontobecomethepresidentofVirginGalacticasaysthatworkisunderwayonamockupoftheinteriorofanewspacecraftthatwillholdfivepassengers.50Virginhasalreadycommitted$20mtowardslicensingtheSpaceShipOnetechnologyfromMr.RutanandhisfinancialbackerPaulAllenasoftwarebillionaire. 49
In1929JohnD.Rockefellerdecideditwastimetosellshareswhenevenashoe-shineboyofferedhimasharetip.DuringthepastweekTheEconomist’seconomicseditorhasbeen-advisedbyataxidriveraplumberandahairdresserthatyoucan’tgowronginvestinginhousing—themoreyouownthebetter.IsthisasignthatitistimetogetoutAttheveryleastashousepricesaroundtheworldclimbtoeverloftierheightsandmoreandmorepeoplejumpontothebuy-to-letladderitistimetoexposesomeofthefallaciesregularlytrottedoutbysomanyself-appointedhousingexperts.Onecommonerroristhathousepricesmustcontinuetorisebecauseofalimitedsupplyofland.ForinstanceitisarguedthathousepriceswillalwaysriseinLondonbecauselotsofpeoplewanttolivehere.Butthisconfusesthelevelofpriceswiththeirrateofchange.Homepricesareboundtobehigherinbigcitiesbecauseoflandscarcitybutthisdoesnotguaranteethaturbanhousepriceswillkeeprisingindefinitely—justlookatTokyo’shugeprice-dropssince1990.Andthoughitistruethatafixedsupplyofhomesmaypushuphousepricesifthepopulationisrisingthiswouldimplyasteadyriseinpricesnotthe20%annualjumpsofrecentyears.Asecondflawedargumentisthatlowinterestratesmakebuyingahomecheaperandsopushupdemandandprices.Lowerinterestratesmayhaveallowedsomepeoplewhootherwisecouldnothaveaffordedamortgagetobuyahome.Butmanyborrowerswhothinkmortgagesarecheaperaresufferingfrommoneyillusion.Interestratesarenotverylowinrealinflation-adjustedterms.Initialinterestpaymentsmayseemlowinrelationtoincomebutbecauseinflationisalsolowitwillnoterodetherealburdenofdebtasswiftlyasitoncedid.Soinlateryearsmortgagepaymentswillbemuchlargerinrealterms.Toarguethatlownominalinterestratesmakebuyingahomecheaperislikearguingthatacarloanpaidoffoverfouryearsischeaperthanonerepaidovertwoyears.FallacynumberthreeisafavouriteclaimofAlanGreenspanchairmanofAmerica’sFederalReserve.Thisisthatpricebubblesarelesslikelyinhousingthaninthestockmarketbecausehighertransactioncostsdiscouragespeculation.Infactseveralstudieshaveshownthatbothintheoryandinpracticebubblesaremorelikelyinhousingthaninshares.AstudybytheIMFfindsthatasharpriseinhousepricesisfarmorelikelytobefollowedbyabustthanisashare-priceboom.ThetermfallaciesLine6Paragraph1mostprobablymeans______.
Apairofdicerolledagainandagainwilleventuallyproducetwosixes.Similarlythevirusthatcausesinfluenzaisconstantlychangingatrandomandonedaywillmutateinawaythatwillenableittoinfectbillionsofpeopleandtokillmillions.Manyexpertsnowbelieveaglobaloutbreakofpandemicfluisoverdueandthatthenextonecouldbeasbadastheonein1918whichkilledsomewherebetween25mand50mpeople.Todayhoweveradvancesinmedicineofferrealhopethatanothersuchoutbreakcanbecontained—ifgovernmentsstartpreparingnow.Newresearchpublishedthisweeksuggeststhatarelativelysmallstockpileofanantiviraldrug—aslittleas3mdoses—couldbeenoughtolimitsharplyaflupandemicifthedrugsweredeployedquicklytopeopleintheareasurroundingtheinitialoutbreak.Thedrug’smanufacturerRocheistalkingtotheWorldHealthOrganisationaboutdonatingsuchastockpile.Thisisgoodnews.ButmuchmoreneedstobedoneespeciallywithanastystrainofavianfluspreadinginAsiawhichcouldmutateintoathreattohumans.SincetheSARSoutbreakin2003afewcountrieshavedevelopedplansinpreparationforsimilarepisodes.Butprogresshasbeenshamefullypatchyandthereisstillfartoolittleinternationalcoordination.Aglobalstockpileofdrugsalonewouldnotbemuchusewithoutanadequatesystemofsurveillancetoidentifyearlycasesandawayofdeliveringtreatmentquickly.Ifanoutbreakoccurredinaborderregionforexampleaswiftresponsewouldmostlikelydependonprioragreementsbetweendifferentcountriesaboutquarantineandcontainment.Reachingsuchagreementsisrarelyeasybutthatmakesthetaskallthemoreurgent.Richcountriestendtobebetterpreparedthanpooronesbutthisshouldbenoconsolationtothem.Fludoesnotrespectborders.Itisineveryone’sinteresttomakesurethatdevelopingcountriesespeciallyinAsiaarealsowellprepared.Manymaybridleatinterferencefromoutside.Butifrichernationswerewillingtodonateanti-viraldrugsandguaranteeasupplyofanyvaccinethatbecomesavailablepoorernationsmightbewillingtoreachagreementsoversurveillanceandpreparedness.Simplysortingoutafewdetailsnowwillhavelivesandrecriminationslater.WilltherebeenoughventilatorsmakesanddrugsWherewillpeoplebetreatedifthehospitalsoverflowWillfoodbedeliveredasnormalToomanycountrieshavenoanswerstothesequestions.Thespeedo{remedydispatchisofimportanceto______.
Apairofdicerolledagainandagainwilleventuallyproducetwosixes.Similarlythevirusthatcausesinfluenzaisconstantlychangingatrandomandonedaywillmutateinawaythatwillenableittoinfectbillionsofpeopleandtokillmillions.Manyexpertsnowbelieveaglobaloutbreakofpandemicfluisoverdueandthatthenextonecouldbeasbadastheonein1918whichkilledsomewherebetween25mand50mpeople.Todayhoweveradvancesinmedicineofferrealhopethatanothersuchoutbreakcanbecontained—ifgovernmentsstartpreparingnow.Newresearchpublishedthisweeksuggeststhatarelativelysmallstockpileofanantiviraldrug—aslittleas3mdoses—couldbeenoughtolimitsharplyaflupandemicifthedrugsweredeployedquicklytopeopleintheareasurroundingtheinitialoutbreak.Thedrug’smanufacturerRocheistalkingtotheWorldHealthOrganisationaboutdonatingsuchastockpile.Thisisgoodnews.ButmuchmoreneedstobedoneespeciallywithanastystrainofavianfluspreadinginAsiawhichcouldmutateintoathreattohumans.SincetheSARSoutbreakin2003afewcountrieshavedevelopedplansinpreparationforsimilarepisodes.Butprogresshasbeenshamefullypatchyandthereisstillfartoolittleinternationalcoordination.Aglobalstockpileofdrugsalonewouldnotbemuchusewithoutanadequatesystemofsurveillancetoidentifyearlycasesandawayofdeliveringtreatmentquickly.Ifanoutbreakoccurredinaborderregionforexampleaswiftresponsewouldmostlikelydependonprioragreementsbetweendifferentcountriesaboutquarantineandcontainment.Reachingsuchagreementsisrarelyeasybutthatmakesthetaskallthemoreurgent.Richcountriestendtobebetterpreparedthanpooronesbutthisshouldbenoconsolationtothem.Fludoesnotrespectborders.Itisineveryone’sinteresttomakesurethatdevelopingcountriesespeciallyinAsiaarealsowellprepared.Manymaybridleatinterferencefromoutside.Butifrichernationswerewillingtodonateanti-viraldrugsandguaranteeasupplyofanyvaccinethatbecomesavailablepoorernationsmightbewillingtoreachagreementsoversurveillanceandpreparedness.Simplysortingoutafewdetailsnowwillhavelivesandrecriminationslater.WilltherebeenoughventilatorsmakesanddrugsWherewillpeoplebetreatedifthehospitalsoverflowWillfoodbedeliveredasnormalToomanycountrieshavenoanswerstothesequestions.Thebesttitleforthetextwouldbe______.
Directions:Writeapostertoyourschoolmatesinformingthemofanewbooktobereleased.Youshouldwriteabout100wordsonANSWERSHEET2.Donotsignyourownnameattheendoftheletter;useLiMinginstead.Donotwritetheaddress.
=______．
Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 19
Manycountrieshaveatraditionofinvitingforeignerstorulethem.TheEnglishcalledinWilliamofOrangein1688anddependingonyourinterpretationofhistoryWilliamofNormandyin1066.Bothdidratheragoodjob.ReturningthecomplimentAlbaniaaskedawell-bredEnglishmancalledAubgreyHerberttobetheirkinginthe1920s.Herefused—andtheyendedupwithseveralcovescalledZog.Americathecountryofimmigrantshasnotruckwithimportedforeigntalent.ArticletwooftheConstitutionsaysthatnopersonexceptanatural-borncitizen...shallbeeligibletotheofficeofthepresident.Thisisnowbeingchallengedbyaparticularlyirresistibleimmigrant:ArnoldSchwarzenegger.BarelyayearhaspassedsincetheerstwhilecyborgswepttovictoryinCalifornia’srecallelectionyetthereisalreadyanAmend-for-ArnoldcampaigncollectingsignaturestolettheAustrian-borngovernorhaveagoattheWhiteHouse.GeorgeBushseniorhasweighedinonhisbehalf.ThereareseveralArnoldamendmentsinCongress:oneallowsforeignerswhohavebeennaturalizedcitizensfor20yearstobecomepresident.TheAustrianbecameAmericanin1983.Itiseasytodismissthehooplaasanotherregrettableexampleofloopycelebritypolitics.Mr.Schwarzeneggerhasmadeadecentstartasgovernorbuthehasdonelittleasyettochangethestructureofhisdysfunctionalstate.IndeedevenifthelawwerechangedhecouldwellbeelbowedasidebyanotherincomerthistimefromCanada:theDemocraticgovernorofMichiganJenniferGranholmwhoappearstohavefewerskeletonsinherclosetthanthehedonisticactor.MoreoverchangingtheAmericanconstitutionisnododdle.Ithashappenedonly17timessince1791whenthefirsttenamendmentswerecodifiedasthebillofrights.Tochangetheconstitutionanamendmenthastobeapprovedbytwo-thirdsofbothhousesofCongressandthentoberatifiedbythree-quartersofthe50states.TheArnoldamendmentishardlyinthesamecategoryasabolishingslaveryorgivingwomenthevote.AndassomewagspointoutAustrianimportshaveaprettydodgyrecordofrunningmilitarysuperpowers.ThephrasehasnotruckwithLine1Paragraph2mostprobablymeans______.
Manycountrieshaveatraditionofinvitingforeignerstorulethem.TheEnglishcalledinWilliamofOrangein1688anddependingonyourinterpretationofhistoryWilliamofNormandyin1066.Bothdidratheragoodjob.ReturningthecomplimentAlbaniaaskedawell-bredEnglishmancalledAubgreyHerberttobetheirkinginthe1920s.Herefused—andtheyendedupwithseveralcovescalledZog.Americathecountryofimmigrantshasnotruckwithimportedforeigntalent.ArticletwooftheConstitutionsaysthatnopersonexceptanatural-borncitizen...shallbeeligibletotheofficeofthepresident.Thisisnowbeingchallengedbyaparticularlyirresistibleimmigrant:ArnoldSchwarzenegger.BarelyayearhaspassedsincetheerstwhilecyborgswepttovictoryinCalifornia’srecallelectionyetthereisalreadyanAmend-for-ArnoldcampaigncollectingsignaturestolettheAustrian-borngovernorhaveagoattheWhiteHouse.GeorgeBushseniorhasweighedinonhisbehalf.ThereareseveralArnoldamendmentsinCongress:oneallowsforeignerswhohavebeennaturalizedcitizensfor20yearstobecomepresident.TheAustrianbecameAmericanin1983.Itiseasytodismissthehooplaasanotherregrettableexampleofloopycelebritypolitics.Mr.Schwarzeneggerhasmadeadecentstartasgovernorbuthehasdonelittleasyettochangethestructureofhisdysfunctionalstate.IndeedevenifthelawwerechangedhecouldwellbeelbowedasidebyanotherincomerthistimefromCanada:theDemocraticgovernorofMichiganJenniferGranholmwhoappearstohavefewerskeletonsinherclosetthanthehedonisticactor.MoreoverchangingtheAmericanconstitutionisnododdle.Ithashappenedonly17timessince1791whenthefirsttenamendmentswerecodifiedasthebillofrights.Tochangetheconstitutionanamendmenthastobeapprovedbytwo-thirdsofbothhousesofCongressandthentoberatifiedbythree-quartersofthe50states.TheArnoldamendmentishardlyinthesamecategoryasabolishingslaveryorgivingwomenthevote.AndassomewagspointoutAustrianimportshaveaprettydodgyrecordofrunningmilitarysuperpowers.ThewordcyborgLine1Paragraph3mostprobablyrefersto______.
Companieshaveembarkedonwhatlookslikethebeginningsofare-runofthemergersandacquisitionsM＆Awavethatdefinedthesecondbubblyhalfofthe1990s.Thatperiodreadersmightrecallwascharacterizedbyacollectivesplurgethatsawthecreationofsomeofthemostindebtedcompaniesinhistorymanyofwhichlaterwentbankruptorwerethemselvesbrokenup.WildbiddingfortelecomsinternetandmediaassetsnottomentionthemadnessthatwasDaimler’s$40billionmotoringtakeoverin1998-1999ofChryslerortheTime-Warner/AOLmega-mergerin2000helpedtogivemergersathoroughlybadname.AconsensusemergedthatM＆Awasagreatwayforinvestmentbankstoreaprichfeesandasurewayforambitiousmanagerstobetrayinvestorsbytrashingthevalueoftheirshares.NowM＆Aisback.ItsreturnisaglobalphenomenonbutitisperhapsmoststrikinginEuropewheresofarthisyeartherehasbeenastreamofdealsworthmorethan$600billionintotalaround40%higherthaninthesameperiodof2004.ThelatesteffortcamethisweekwhenFrance’sSaint-Gobainabuilding-materialsfirmunveiledthedetailsofits￡3.6billion$6.5billionhostilebidforBPBaBritishrival.Inthefirsthalfoftheyearcross-borderactivitywasupthreefoldoverthesameperiodlastyear.EvenFranceTelecomwhichwasleftalmostbankruptattheendofthelastmergerwaverecentlyboughtAmenaaSpanishmobileoperator.Shareholder’sapprovalofallthesedealsraisesaninterestingquestionforcompanieseverywhere:areinvestorsrighttothinkthinthesemergersaremorelikelytosucceedthanearlieronesTherearetwoanswers.Thefirstisthatpastmergersmayhavebeenjudgedtooharshly.ThesecondisthatthepresentrashofEuropeandealsdoeslookmorerationalbut—andthecaveatiscrucial—onlysofar.Thepatternmaynothold.M＆A’spoorreputationstemsnotonlyfromthestringofspectacularfailuresinthe1990sbutalsofromstudiesthatshowedvaluedestructionforacquiringshareholdersin80%ofdeals.Butmorerecentstudiesbyeconomistshaveintroducedanoteofcaution.Investorsshouldlookatthenumberofdealsthatsucceedorfailtypicallymeasuredbytheimpactonthesharepriceratherthanasyoumightthinkweighingthembysize.ForexamplenoonedoubtsthattheDaimler-Chryslermergerdestroyedvalue.ThecombinedmarketvalueofthetwofirmsisstillbelowthatofDaimleralonebeforethedeal.ThissingledealaccountedforhalfofallGermanM＆Aactivitybyvaluein1998and1999andprobablydominatedpeople’sthinkingaboutmergerstothesamedegree.Throwinafewothersuchmonstersanditisnowonderthatbroadstudieshavetendedtofindthatmergersareabadidea.Thetruepictureismorecomplicated.Theconclusionreachedbygeneralresearchesisthatmergersarenot______.
Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 11
Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 9
Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 17
Inthepastyearalothaschangedinthefieldofhumanspaceflight.46InJanuaryPresidentGeorgeBushbrushedasidethefactthatAmerica’sentirespace-shuttlefleetwasgroundedwhenheannouncedgrandioseplanstoputpeoplebackonthemoonandthentolaunchamannedmissiontoMars.47InJuneButtRutananAmericanaeronauticalengineershowedthathumanspaceflightwasnolongerthepreserveofgovernmentsbysendingamantotheedgeofspaceinSpaceShipOneaprivatelyfinancedvehiclethatcostaboutthesametobuildasaluxuryyacht.ThatwasfollowedinSeptemberbySirRichardBransontheBritishentrepreneurbehindtheVirginbrandannouncingthathehadsignedadealwithMrRutantoworkonplansforafleetoffivesuborbitalvehiclesdevelopedfromSpaceShipOne. 48NowinthedyingdaysoftheyearAmerica’sCongresshaspassedabillthatunravelsatangleaboutwhowouldberesponsibleforregulatingthefledglingindustryandunderwhatterms.49ThebillalsoallowspassengerstoflyontheunderstandingthatthisnewgenerationofvehiclesmaynotbeassafeastakingacommercialflightbetweensayNewYorkandLondon. TheofficiallinefromVirginGalacticaasSirRichard’slatestventureismodestlynamedisthatthiscomingchangeinthelawmakesnopracticaldifferencetothefirm’splanssincetheydonotintendtoflyunlesstheycanmaketheirspacecraftassafeasaprivatejet.Butitmustsurelycomeassomesortofrelief.InanycaseWillWhitehorndirectorofcorporateaffairsatVirgin’sheadquartersinLondonandsoontobecomethepresidentofVirginGalacticasaysthatworkisunderwayonamockupoftheinteriorofanewspacecraftthatwillholdfivepassengers.50Virginhasalreadycommitted$20mtowardslicensingtheSpaceShipOnetechnologyfromMr.RutanandhisfinancialbackerPaulAllenasoftwarebillionaire. 47
[A]DrDanielStanleyanoceanographerhasfoundvolcanicshardsinEgyptthathebelievesarelinkedtotheexplosion.ComputersimulationsbyMikeRampinoaclimatemodelerfromNewYorkUniversityshowthattheresultingashcloudcouldhaveplungedtheareaintodarknessaswellasgeneratinglightningandhailtwoofthe10plagues. [B]Thecloudcouldhavealsoreducedtherainfallcausingadrought.IftheNilehadthenbeenpoisonedbytheeffectsoftheeruptionpollutioncouldhaveturneditredashappenedinarecentenvironmentaldisasterinAmerica.Thesamepollutioncouldhavedrivenmillionsoffrogsontothelandthesecondplague.Onlandthefrogswoulddieremovingtheonlyobstacletoanexplosionoffliesandlice—thethirdandfourthplagues.Thefliescouldhavetransmittedfataldiseasestocattlethefifthplagueandboilsandblisterstohumansthesixthplague. [C]MoseswhichwillbebroadcastinDecember2002willsuggestthatmuchoftheBiblestorycanheexplainedbyasinglenaturaldisasterahugevolcaniceruptionontheGreekislandofSantoriniinthe16thcenturyBC. [D]Thehour-longdocumentaryarguesthateventhestoryofthepartingoftheRedSeawhichallowedMosestoleadtheHebrewstosafetywhilethepursuingEgyptianarmywasdrownedmayhaveitsoriginsintheeruption.Itrepeatsthetheorythat"RedSea"isamistranslationoftheSeaofReedsamuchshallowerswamp. [E]TheprogrammetellsthestoryofhowMosesledtheHebrewsoutofEgyptafteraseriesofplagueshaddevastatedthecountry.Butitalsousesnewscientificresearchtoarguethatmanyoftheeventssurroundingtheexoduscouldhavebeentriggeredbytheeruptionwhichwouldhavebeenathousandtimesmorepowerfulthananuclearbomb. [F]ComputersimulationsshowthattheSantorinieruptioncouldhavetriggereda600ft-hightidalwavetravelingatabout400milesanhourwhichwouldhavebeen6fthighandahundredmileslongwhenitreachedtheEgyptiandelta.Suchaneventwouldhavebeenrememberedforgenerationsandmayhaveprovidedtheinspirationforthestory. [G]FreshevidencethattheBiblicalplaguesandthepartingoftheRedSeawerenaturaleventsratherthanmythsormiraclesistobepresentedinanewBBCdocumentary. Order: 45
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