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设曲线y=y(x)由方程x2y+lny=1确定,则该曲线在(0,e)处的曲率半径为______.
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设曲线L的方程为1≤x≤e 1求L的弧长 2设D是由曲线L直线x=1x=e及x轴所围成平面图形求D
设函数y=yx由方程ylny-x+y=0确定试判断曲线y=yx在点11附近的凹凸性
设函数fx=gx+x2曲线y=gx在点1g1处的切线方程为y=2x+1则曲线y=fx在点1f1处切线
4
-
2
-
设函数yx由参数方程[*]确定则曲线y=yx向上凸的x取值范围为______.
设函数y=fx由方程xy十2lnx=y4所确定则曲线y=fx在点11处的切线方程是______.
设函数y=yx由参数方程确定求y=yx的极值和曲线y=yx的凹凸区间及拐点.
设函数fx=gx+x2曲线y=gx在点1g1处的切线方程为y=2x+1则曲线y=fx在点1f1处的切
设函数y=yx由参数方程[*]确定曲线y=yx在x=3处的法线与X轴交点的横坐标是______.
[*]ln2+3
B.[*]ln2+3
-8ln2+3
8ln2+3
设曲线y=fx其中y=fx是可导函数且fx>0.已知曲线y=fx与直线y=0x=1及x=tt>1所围
设函数yx由参数方程确定则曲线y=yx向上凸的x取值范围为
设y=yx是一向上凸的连续曲线其上任意一点xy处的曲率为[*]且此曲线上点01处的切线方程为y=x+
设曲线L的方程为1≤x≤e 设D是由曲线L直线x=1x=e及x轴所围平面图形求D的形心的横坐
设函数y=yx由方程ylny-x+y=0确定判断曲线y=yx在点11附近的凹凸性
设函数fx=gx+x2曲线y=gx在点1g1处的切线方程为y=2x+1则曲线y=fx在点1f1处切线
设函数y=yx由方程ylny-x+y=0确定判断曲线y=yx在点11附近的凹凸性.
设曲线的方程为y=sinx/x+arctan1-则有下列哪项结果?
曲线没有渐近线
y=-(π/2)是曲线的渐近线
x=0是曲线的渐近线
y=π/2是曲线的渐近线
设函数yxx≥0二阶可导且y’x>0y0=1.过曲线y=yx上任意一点Pxy作该曲线的切线及z轴的垂
设曲线L的参数方程为x=ψt=t-sinty=φt=1-cost0≤t≤2π.Ⅰ求证由L的参数方程确
设函数y=yx由方程ylny-x+y=0确定试判断曲线y=yx在点11附近的凹凸性.
设函数y=fx由方程e2x+y-cosxy=e-1所确定则曲线y=fx在点01处的法线方程为____
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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
设fx在x=0的某邻域内有定义且满足求极限
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______.
Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 5
Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 15
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设二元函数fuv具有二阶连续偏导数且满足又gxy=fx2-y22xy则=______.
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Sometimeswehavespecificproblemswithourmother;sometimeslifewithhercanjustbehardwork.Iftherearedifficultiesinyour1it’sbesttodealwiththem2rememberthatany3shouldbedone4personorbyletter.Thetelephoneisnotagood5becauseitistooeasy6eithersideto7theconversation. Explaintoher8youfinddifficultinyourrelationshipandthen9somenewarrangementsthatyouthinkwouldestablisha10balancebetweenyou.Sometimeswehold11fromestablishingsuchboundariesbecauseweareafraidthatdoing12impliesweare13her.Weneedtorememberthatbeing14fromourmotherdoesnot15meanthatWenolongerloveher.Iftheconflictis16andyoucannotfindawayto17ityoumightdecidetogiveupyourrelationshipwithyourmotherforawhile.Someofmypatientshad18"trialseparations".The19allowedthingstosimmerdownenabling20. 3
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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.Thepatterninthethirdparagraphmostprobablydenotes______.
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
曲线在t=0对应点处切线的直角坐标方程是______.
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______.
=______.
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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