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按照药性升降浮沉理论，具有升浮药性的药是
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按照药性升降浮沉理论具有升浮药性的药是
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按照药性升降浮沉理论具有升浮药性的药物是
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Directions:Inthefollowing textsomesentenceshavebeenremoved.ForQuestions41-45choosethemost suitableonefromthelistA-Gtofitintoeachofthenumberedblank.Thereare twoextrachoiceswhichdonotfitinanyofthegaps. In1959theaverageAmericanfamilypaid$989forayear’s supplyoffood.In1972thefamilypaid$1311．Thatwasapriceincreaseof nearlyone-third.Everyfamilyhashadthissortofexperience.Everyoneagrees thatthecostoffeedingafamilyhasrisensharply.41．______. Manyblamethefarmerswhoproducethevegetablesfruitmeat eggsandcheesethatstoresofferforsale.AccordingtotheU.S.Department ofAgriculturethefarmer’sshareofthe$1311spentbythefamilyin1972was $521．Thiswas31percentmorethanthefarmerhadreceivedin1959. Butfarmersclaimthatthisincreasewasvery smallcomparedtotheincreaseintheircostofliving.42．______Theseinclude truckdriversmeatpackersmanufacturersofpackagesandotherfood containersandtheownersofstoreswherefoodissold.Theyareamongthe middlemenwhostandbetweenthefarmerandthepeoplewhobuyandeatthe food.Aremiddlementheonestoblameforrisingfoodprices Ofthe$1311familyfoodbillin1972middlementreceived$790 whichwas33percentmorethantheyhadreceivedin1959．Itappearsthatthe middlemen’sprofithasincreasedmorethanfarmer’s.43．Accordingtoeconomists attheFirstNationalCityBanktheprofitformeatpackersandfoodstores amountedtolessthanonepercent.Duringthesameperiodallother manufacturersweremakingaprofitofmorethanfivepercent.Bycomparisonwith othermembersoftheeconomicsystembothfarmersandmiddlemenhaveprofited surprisinglylittlefromtheriseinfoodprices. 44．______TheeconomistsatFirstNationalCityBankhaveananswertogive housewivesbutmanypeoplewillnotlikeit.Theseeconomistsblamethe housewifeherselfforthejumpinfoodprices.Theysaythatfoodcostsmorenow becausewomendon’twanttospendmuchtimeinthekitchen.Womenprefertobuy foodwhichhasalreadybeenpreparedbeforeitreachesthemarket. Vegetablesandchickencostmorewhentheyhave beencutintopiecesbysomeoneotherthantheonewhobuysit.Afamilyshould expecttopaymorewhenseveralTVdinnersaretakenhomefromthestore. Thesearefullycookedmealsconsistingofmeatvegetablesandsometimes dessertallarrangedonametaldish.Thedishisputintotheovenandheated whilethehousewifeisdoingsomethingelse.Suchaconveniencecostsmoney.45. Economistsremindusthatmanymodemhousewives havejobsoutsidethehome.Theyearnmoneythathelpstopaythefamilyfood bills.Thehousewifenaturallyhaslesstimeandenergyforcookingaftera day’swork.Shewantstobuymanykindsoffoodthatcanbeputonherfamily’s tableeasilyandquickly.Ifthehousewifewantsallofthesetheeconomists saythatisherprivilegebutshemustbepreparedtopayfortheservicesof thosewhomakeherworkeasier.Itappearsthat theanswertothequestionofrisingpricesisnotasimpleone.Producers consumersandmiddlemenallsharetheresponsibilityforthesharpriseinfood costs.[A]Howeversomeeconomistsbelievethatcontrols canhavenegativeeffectsoveralongperiodoftime.Incitieswithrent controlthecitygovernmentsetsthemaximumrentthatalandlordcancharge foranapartment.[B]Farmerstendtoblameothersforthe sharpriseinfoodprices.Theyparticularlyblamethosewhoprocessthe farmproductsaftertheproductsleavethefarm.[C]Thusas economistspointout:Someofthebasicreasonsforwideningfoodprice spreadsareeasilytraceabletotheincreasinguseofconveniencefoods whichtransfermuchofthetimeandworkofmealpreparationfromthekitchento thefoodprocessor’splant.[D]Butsomeeconomistsclaim thatthemiddleman’sactualprofitwasverylow.[E]Who thenisactuallyresponsibleforthesizeofthebillahousewifemustpay beforeshecarriesthefoodhomefromthestore’[F]But thereislessagreementwhenreasonsfortherisearebeingdiscussed.Whois reallyresponsible[G]Economistsdonot.agreeonsome ofthepredictions.Theyalsodonotagreeonthevalueofdifferent decisions.Someeconomistssupportaparticulardecisionwhileothers criticizeit.
半导体随机存储器的访问速度与有关
某计算机有8个主设备竞争总线使用权使用链式请求方式进行总线判优控制则该机为实现总线判优控制需要的控制线数为
下列说法中错误的是
对任意7个关键字进行排序至少要进行次关键字之间的两两比较
Studythefollowinggraphcarefullyandwriteanessayinwhichyoushould 1analyzethegraph; 2giveyourcommentsonthetrend.
Text4 TheSouthdaleshoppingcentrein Minnesotahasanatriumafoodcourtfountainsandacresofparking.Itsshops includeaDairyQueenaVictoria’sSecretandapurveyorofcomicT-shirts.It maynotseemlikealandmarkasimportanttoarchitecturalhistoryasthe LouvreorNewYork’sWoolworthBuilding.Butitis.ohmygod!chimesagroup ofteenagegirlsonlearningthattheyarestandingintheworld’sfirsttrue shoppingmall.Thatisthecoolestthinganybodyhassaidtousallday. InthepasthalfcenturySouthdaleanditsmany imitatorshavetransformedshoppinghabitsurbaneconomiesandteenagespeech. Americanowhassome1100enclosedshoppingmallsaccordingtothe InternationalCouncilofShoppingCentres.CloneshaveappearedfromChennaito Martinique.Yetthemall’sstoryisfarfromtriumphal.InventedbyaEuropean socialistwhohatedcarsandcametoderidehisowncreationithasamurky future.WhilemallscontinuetomultiplyoutsideAmericatheyaregradually dyinginthecountrythatpioneeredthem. Southdale’screatorarrivedinAmericaasarefugeefromNazi-occupied Vienna.VictorGruenwasaJewishbohemianwhobegantodesignshopsforfellow immigrantsinNewYorkafterfailingincabarettheatre.Hisworkwasadmired partlyforitsunclutteredmodernistlookwhichseemedrevolutionaryin1930s America.ButGruen’ssecretwasthewayheusedarcadesandeye-leveldisplay casestolurecustomersintostoresalmostagainsttheirwill.Asacritic complainedhisshopswerelikemousetraps.Afewyearslaterthesamewouldbe saidofhisshoppingmalls.Bythe1940s departmentstoreswerealreadymovingtothesuburbs.Somehadbeguntobuild adjacentstripsofshopswhichtheyfilledwithboutiquesinanattemptto re-createurbanshoppingdistricts.In1947ashoppingcentreopenedinLos Angelesfeaturingtwodepartmentstoresaclusterofsmallshopsandalarge carpark.Itwasineffectanoutdoorshoppingmall.Fineforbalmysouthern CaliforniaperhapsbutnotforMinnesota’sharshclimate.Commissionedto buildashoppingcentreatSouthdalein1956Gruenthrewaroofoverthe structureandinstalledanair-conditioningsystemtokeepthetemperatureat 75°F24℃—whichacontemporarypressreleasecalledEternalSpring.Themall wasborn.Gruengotanextraordinarynumberof thingsrightfirsttime.Hebuiltaslopingroadaroundtheperimeterofthe mallsothathalfoftheshoppersenteredonthegroundfloorandhalfonthe firstfloor-somethingthatbecameastandardfeatureofmalls.Southdale’s balconieswerelowsothatshopperscouldseetheshopsontheflooraboveor belowthem.Thecarparkhadanimalsignstohelpshoppersrememberthewayback totheirvehicles.ItwasasthoughOrvilleandWilburWrighthadnotjust discoveredpoweredflightbuthadbuiltaplanewithtraytablesandaduty-free service.AccordingtothetextwhichofthefollowingisTRUE
Text3 YamatotheancientnameofJapan essentiallymeansbigharmony.ToachievesuchbalanceJapanesesocietyhas refinedaplethoraofculturaltraits:humilityloyaltyrespectandconsensus. Inthefieldofbusinesshoweverthisoftenresultsinalackofleaderswho arewillingtostandoutfromthecrowdpromotethemselvesandactdecisively. ThenailthatsticksupgetshammereddownisacommonJapaneserefrain;the hawkwithtalenthideshistalonsisanother.WhereasAmericanandEuropean bossesliketoappearonthecoversofglobalbusinessmagazinestheirJapanese counterpartsarecomfortableintheirobscurity.BusinessinJapanisgenerally runasagroupendeavor.Suchdemocraticvirtuesserved thecountrywellinthepost-warperiod.ButtodaytheyholdtoomanyJapanese firmsback.Japanboastssomeofthebestcompaniesintheworld:ToyotaCanon andNintendoaretheenvyoftheirindustries.Buttheyoperateonaglobal scaleandhavetentativelyembracedsomeunconsensualAmericanmethods.Inmuch oftheJapaneseeconomy-especiallyitshugedomesticservicessector-managers areinsomethingofafunk.Firmsdonotgivepromisingyoungsters responsibilityearlyonbutallocatejobsbyage.Unnecessarilylongworking hoursarethenormsappingproductivity.Andtherearefewwomenandforeigners inseniorroleswhichnarrowsthetalentpool.So howpleasingitistobeabletoreportthesuccessofabusinessleaderwho breaksthemould.Youngdynamicandcleverheisnotafraidtopushasideold conservativeknow-nothings.Hedisdainscorporatepoliticsandpromotespeople basedonmeritratherthanseniority.Hecanmakemistakeshegot involvedinaquestionabletakeover-defenceschemebutheiswildlypopular withsalarymen:hiseverymoveischronicledweekly.InJunehewasgiventhe topjobatoneofJapan’sbiggestfirms.KosakuShimaofHatsushibaGoyo Holdingshasonlyoneseriousshortcoming:heisnotarealpersonbutamanga orcartooncharacter.FormanycriticsofJapanthatsaysitall:Mr.Shima couldexistonlyinfiction.Infactthereisroomforthecountry’smanagers andevenitspoliticianstolearnfromhim.Most ofthelessonsareforJapan’smanagers.Atpresentbossesrarelysaywhatthey thinkbecauseitmightdisrupttheharmonyorbeseenasimmodest.Their subordinatesarereluctanttochallengeideasbecausethatwouldcausetheboss toloseface.Sodaftstrategiesfesterratherthangettingculledquickly. Thereislittlerisk-takingorinitiative.Thecruxoftheproblemis Japanesecompanies’cultureofconsensus-based decision-making.Callednemawashiliterallygoingaroundtheroots orringibottom-updecisionsithelpedtoestablishanegalitarian workplace.Inthe1980sWesternmanagementconsultantscooedthatitwasthe sourceofJapan’scompetitivestrength.Sometimesitcanbeasinperiodsof crisiswhenanentirefirmneedstoacceptnewmarchingordersquickly.Butmost ofthetimeitstranglesacompany.Relyingon consensusmeansthatdecisionsaremadeslowlyifatall.Withsomanypeople topleasetheresultisoftenamediocremorassofcompromises.Andwithso manyhandsinvolvedthereisnoaccountability;noreasonforindividualsto excel;nosanctionagainstbaddecisionssothattherearefewerofthemin future.OfcoursesometimestheconsensusoftheJapaneseworkplaceisjusta veneeranddecisionsarestillmadefromonhigh.Butthenwhypersistwiththe pretenceparticularlyifitdrainsacompany’sefficiency Whichofthefollowingbestillustratesthemeaningofnemawashi
在操作系统中PV操作是一种
Text4 TheSouthdaleshoppingcentrein Minnesotahasanatriumafoodcourtfountainsandacresofparking.Itsshops includeaDairyQueenaVictoria’sSecretandapurveyorofcomicT-shirts.It maynotseemlikealandmarkasimportanttoarchitecturalhistoryasthe LouvreorNewYork’sWoolworthBuilding.Butitis.ohmygod!chimesagroup ofteenagegirlsonlearningthattheyarestandingintheworld’sfirsttrue shoppingmall.Thatisthecoolestthinganybodyhassaidtousallday. InthepasthalfcenturySouthdaleanditsmany imitatorshavetransformedshoppinghabitsurbaneconomiesandteenagespeech. Americanowhassome1100enclosedshoppingmallsaccordingtothe InternationalCouncilofShoppingCentres.CloneshaveappearedfromChennaito Martinique.Yetthemall’sstoryisfarfromtriumphal.InventedbyaEuropean socialistwhohatedcarsandcametoderidehisowncreationithasamurky future.WhilemallscontinuetomultiplyoutsideAmericatheyaregradually dyinginthecountrythatpioneeredthem. Southdale’screatorarrivedinAmericaasarefugeefromNazi-occupied Vienna.VictorGruenwasaJewishbohemianwhobegantodesignshopsforfellow immigrantsinNewYorkafterfailingincabarettheatre.Hisworkwasadmired partlyforitsunclutteredmodernistlookwhichseemedrevolutionaryin1930s America.ButGruen’ssecretwasthewayheusedarcadesandeye-leveldisplay casestolurecustomersintostoresalmostagainsttheirwill.Asacritic complainedhisshopswerelikemousetraps.Afewyearslaterthesamewouldbe saidofhisshoppingmalls.Bythe1940s departmentstoreswerealreadymovingtothesuburbs.Somehadbeguntobuild adjacentstripsofshopswhichtheyfilledwithboutiquesinanattemptto re-createurbanshoppingdistricts.In1947ashoppingcentreopenedinLos Angelesfeaturingtwodepartmentstoresaclusterofsmallshopsandalarge carpark.Itwasineffectanoutdoorshoppingmall.Fineforbalmysouthern CaliforniaperhapsbutnotforMinnesota’sharshclimate.Commissionedto buildashoppingcentreatSouthdalein1956Gruenthrewaroofoverthe structureandinstalledanair-conditioningsystemtokeepthetemperatureat 75°F24℃—whichacontemporarypressreleasecalledEternalSpring.Themall wasborn.Gruengotanextraordinarynumberof thingsrightfirsttime.Hebuiltaslopingroadaroundtheperimeterofthe mallsothathalfoftheshoppersenteredonthegroundfloorandhalfonthe firstfloor-somethingthatbecameastandardfeatureofmalls.Southdale’s balconieswerelowsothatshopperscouldseetheshopsontheflooraboveor belowthem.Thecarparkhadanimalsignstohelpshoppersrememberthewayback totheirvehicles.ItwasasthoughOrvilleandWilburWrighthadnotjust discoveredpoweredflightbuthadbuiltaplanewithtraytablesandaduty-free service.WhydidcriticscomplainthatGruen’sshopswerelikemousetraps
Directions:Inthefollowing textsomesentenceshavebeenremoved.ForQuestions41-45choosethemost suitableonefromthelistA-Gtofitintoeachofthenumberedblank.Thereare twoextrachoiceswhichdonotfitinanyofthegaps. In1959theaverageAmericanfamilypaid$989forayear’s supplyoffood.In1972thefamilypaid$1311．Thatwasapriceincreaseof nearlyone-third.Everyfamilyhashadthissortofexperience.Everyoneagrees thatthecostoffeedingafamilyhasrisensharply.41．______. Manyblamethefarmerswhoproducethevegetablesfruitmeat eggsandcheesethatstoresofferforsale.AccordingtotheU.S.Department ofAgriculturethefarmer’sshareofthe$1311spentbythefamilyin1972was $521．Thiswas31percentmorethanthefarmerhadreceivedin1959. Butfarmersclaimthatthisincreasewasvery smallcomparedtotheincreaseintheircostofliving.42．______Theseinclude truckdriversmeatpackersmanufacturersofpackagesandotherfood containersandtheownersofstoreswherefoodissold.Theyareamongthe middlemenwhostandbetweenthefarmerandthepeoplewhobuyandeatthe food.Aremiddlementheonestoblameforrisingfoodprices Ofthe$1311familyfoodbillin1972middlementreceived$790 whichwas33percentmorethantheyhadreceivedin1959．Itappearsthatthe middlemen’sprofithasincreasedmorethanfarmer’s.43．Accordingtoeconomists attheFirstNationalCityBanktheprofitformeatpackersandfoodstores amountedtolessthanonepercent.Duringthesameperiodallother manufacturersweremakingaprofitofmorethanfivepercent.Bycomparisonwith othermembersoftheeconomicsystembothfarmersandmiddlemenhaveprofited surprisinglylittlefromtheriseinfoodprices. 44．______TheeconomistsatFirstNationalCityBankhaveananswertogive housewivesbutmanypeoplewillnotlikeit.Theseeconomistsblamethe housewifeherselfforthejumpinfoodprices.Theysaythatfoodcostsmorenow becausewomendon’twanttospendmuchtimeinthekitchen.Womenprefertobuy foodwhichhasalreadybeenpreparedbeforeitreachesthemarket. Vegetablesandchickencostmorewhentheyhave beencutintopiecesbysomeoneotherthantheonewhobuysit.Afamilyshould expecttopaymorewhenseveralTVdinnersaretakenhomefromthestore. Thesearefullycookedmealsconsistingofmeatvegetablesandsometimes dessertallarrangedonametaldish.Thedishisputintotheovenandheated whilethehousewifeisdoingsomethingelse.Suchaconveniencecostsmoney.45. Economistsremindusthatmanymodemhousewives havejobsoutsidethehome.Theyearnmoneythathelpstopaythefamilyfood bills.Thehousewifenaturallyhaslesstimeandenergyforcookingaftera day’swork.Shewantstobuymanykindsoffoodthatcanbeputonherfamily’s tableeasilyandquickly.Ifthehousewifewantsallofthesetheeconomists saythatisherprivilegebutshemustbepreparedtopayfortheservicesof thosewhomakeherworkeasier.Itappearsthat theanswertothequestionofrisingpricesisnotasimpleone.Producers consumersandmiddlemenallsharetheresponsibilityforthesharpriseinfood costs.[A]Howeversomeeconomistsbelievethatcontrols canhavenegativeeffectsoveralongperiodoftime.Incitieswithrent controlthecitygovernmentsetsthemaximumrentthatalandlordcancharge foranapartment.[B]Farmerstendtoblameothersforthe sharpriseinfoodprices.Theyparticularlyblamethosewhoprocessthe farmproductsaftertheproductsleavethefarm.[C]Thusas economistspointout:Someofthebasicreasonsforwideningfoodprice spreadsareeasilytraceabletotheincreasinguseofconveniencefoods whichtransfermuchofthetimeandworkofmealpreparationfromthekitchento thefoodprocessor’splant.[D]Butsomeeconomistsclaim thatthemiddleman’sactualprofitwasverylow.[E]Who thenisactuallyresponsibleforthesizeofthebillahousewifemustpay beforeshecarriesthefoodhomefromthestore’[F]But thereislessagreementwhenreasonsfortherisearebeingdiscussed.Whois reallyresponsible[G]Economistsdonot.agreeonsome ofthepredictions.Theyalsodonotagreeonthevalueofdifferent decisions.Someeconomistssupportaparticulardecisionwhileothers criticizeit.
Directions:Readthe followingtextcarefullyandthentranslatetheunderlinedsegmentsinto Chinese. Mostmarketingoperationspaycloseattentiontowhatyoung peoplearebuyingandthinking.NotBritain’spoliticalpartieshowever forthesimplereasonthattheunder-30sareunlikelytogoanywhereneara pollingbooth.In196411%ofthoseaged18to24claimednottovote accordingtotheBritishElectionStudy.Atthegeneralelectionlastyearthat figureroseto55%.46.AreportthisweekbyReformathink-tanksuggests thatthisreticenceiscostingthemdearly.Changesingovernmentpolicyit argueshaveturnedbeingyoungintoaterriblebore.47. Therearealreadytwopowerfuleconomicforcesworkingagainsttheso-called IPODgenerationthatarebeyondthegovernment’scontrol.Firstthe ageingofthepopulationisfastincreasingtheratioofpeopleinretirementto thoseofworkingage.Sotheyoungcanlookforwardtohandingoverarising proportionoftheirpaytosupporttheoldiesintheirdecline.Secondthecost ofbuyingahouseinplaceswherepeoplewanttolivehasshotupbeyondthe reachoftheyoung.In199524%ofallfirst-timehomebuyerswereunder25; todaylessthan15%areaccordingtotheHalifaxabank. Thismuchisuncontroversial.ButthereportalsoarguesthattheLabour governmenthasmadelifeworseforyoungpeopleinthreeways.Firstincreased spendingonhealthcarehastendedtobenefittheoldwho’usetheNHSmore thantheyoung.Secondtiltingthetaxandbenefitsystemtowardspeoplewith childrenhastransferredmoneyfromtheyoungtothemiddle-aged.Thirdhigher tuitionfeesarelandinguniversitygraduateswithheftydebts.48．Andthe futuredoesn’tlookmuchbetter:thegovernment’sproposedpensionreforms alongwiththedeclineofdefined-benefitcompany-pensionschemesmakegrim readingfortheunder-30stoo.Thesechanges oughttohavebroughtaboutare-examinationoftheburdenoftaxationonthis agegroupsaysNickBosanquetofImperialCollegeLondononeoftheauthors ofthereporttiereckonsthatafterpayingvarioustaxmenandlenders graduatestakehomeonlyaroundhalfoftheirsalaries.Theaverageforall salariedworkersisaboutthree-fifths.Arethings reallythatbadWhenexaminedinafreeze-framebeingyoungdoesnotlookmuch funfinancially.Butwelfarestatesaremeanttotransferresourcesfromthe vigoroustothefragile.Somebenefitsaremerelydeferred:today’s25-year-olds willhavebabiesandhipreplacementsoneday.49．Andalthoughpeoplein their20sand30stendtobeheavilyindebtedthispasseswhentheysinkinto their40sand50ssaysRichardDisneyofNottinghamUniversity. Evensothefeelingthatyoungpeoplearebeing squeezedpresentsapoliticalopportunityfortheoppositionparties. 50．DavidWillettstheConservativeshadoweducationsecretarysaidina speechlastyearthattheyoungcouldbeforgivenforbelievingthatthewayin whicheconomicandsocialpolicyisnowconductedislittlelessthana conspiracybythemiddle-agedagainstthem_.TheLiberalDemocrat commissionontaxpolicyworriedinAugustaboutinter-generationalunfairness too.Therewillbemoreofsuchtalk.Forthe Toriesitoffersawaytodiscussreducingspendingwithoutsoundingasifthey aremerelythemouthpieceofthewealthy.ItgivesLibDemleadersawayto argueactivistsoutofpromisingtoout-spendLabour.Anditmightevenpersuade someofthosegloomy25-year-oldstovote.
Text4 TheSouthdaleshoppingcentrein Minnesotahasanatriumafoodcourtfountainsandacresofparking.Itsshops includeaDairyQueenaVictoria’sSecretandapurveyorofcomicT-shirts.It maynotseemlikealandmarkasimportanttoarchitecturalhistoryasthe LouvreorNewYork’sWoolworthBuilding.Butitis.ohmygod!chimesagroup ofteenagegirlsonlearningthattheyarestandingintheworld’sfirsttrue shoppingmall.Thatisthecoolestthinganybodyhassaidtousallday. InthepasthalfcenturySouthdaleanditsmany imitatorshavetransformedshoppinghabitsurbaneconomiesandteenagespeech. Americanowhassome1100enclosedshoppingmallsaccordingtothe InternationalCouncilofShoppingCentres.CloneshaveappearedfromChennaito Martinique.Yetthemall’sstoryisfarfromtriumphal.InventedbyaEuropean socialistwhohatedcarsandcametoderidehisowncreationithasamurky future.WhilemallscontinuetomultiplyoutsideAmericatheyaregradually dyinginthecountrythatpioneeredthem. Southdale’screatorarrivedinAmericaasarefugeefromNazi-occupied Vienna.VictorGruenwasaJewishbohemianwhobegantodesignshopsforfellow immigrantsinNewYorkafterfailingincabarettheatre.Hisworkwasadmired partlyforitsunclutteredmodernistlookwhichseemedrevolutionaryin1930s America.ButGruen’ssecretwasthewayheusedarcadesandeye-leveldisplay casestolurecustomersintostoresalmostagainsttheirwill.Asacritic complainedhisshopswerelikemousetraps.Afewyearslaterthesamewouldbe saidofhisshoppingmalls.Bythe1940s departmentstoreswerealreadymovingtothesuburbs.Somehadbeguntobuild adjacentstripsofshopswhichtheyfilledwithboutiquesinanattemptto re-createurbanshoppingdistricts.In1947ashoppingcentreopenedinLos Angelesfeaturingtwodepartmentstoresaclusterofsmallshopsandalarge carpark.Itwasineffectanoutdoorshoppingmall.Fineforbalmysouthern CaliforniaperhapsbutnotforMinnesota’sharshclimate.Commissionedto buildashoppingcentreatSouthdalein1956Gruenthrewaroofoverthe structureandinstalledanair-conditioningsystemtokeepthetemperatureat 75°F24℃—whichacontemporarypressreleasecalledEternalSpring.Themall wasborn.Gruengotanextraordinarynumberof thingsrightfirsttime.Hebuiltaslopingroadaroundtheperimeterofthe mallsothathalfoftheshoppersenteredonthegroundfloorandhalfonthe firstfloor-somethingthatbecameastandardfeatureofmalls.Southdale’s balconieswerelowsothatshopperscouldseetheshopsontheflooraboveor belowthem.Thecarparkhadanimalsignstohelpshoppersrememberthewayback totheirvehicles.ItwasasthoughOrvilleandWilburWrighthadnotjust discoveredpoweredflightbuthadbuiltaplanewithtraytablesandaduty-free service.WhatdoestheauthormeanbymentioningWrightbrothersintheend
完整的计算机系统由组成
在操作系统中要对并发进程进行同步的原因是
已知8个数据元素为34764518．26549265按照依次插入结点的方法生成一棵二叉排序树则该树的深度为
Directions:Readthe followingtextcarefullyandthentranslatetheunderlinedsegmentsinto Chinese. Mostmarketingoperationspaycloseattentiontowhatyoung peoplearebuyingandthinking.NotBritain’spoliticalpartieshowever forthesimplereasonthattheunder-30sareunlikelytogoanywhereneara pollingbooth.In196411%ofthoseaged18to24claimednottovote accordingtotheBritishElectionStudy.Atthegeneralelectionlastyearthat figureroseto55%.46.AreportthisweekbyReformathink-tanksuggests thatthisreticenceiscostingthemdearly.Changesingovernmentpolicyit argueshaveturnedbeingyoungintoaterriblebore.47. Therearealreadytwopowerfuleconomicforcesworkingagainsttheso-called IPODgenerationthatarebeyondthegovernment’scontrol.Firstthe ageingofthepopulationisfastincreasingtheratioofpeopleinretirementto thoseofworkingage.Sotheyoungcanlookforwardtohandingoverarising proportionoftheirpaytosupporttheoldiesintheirdecline.Secondthecost ofbuyingahouseinplaceswherepeoplewanttolivehasshotupbeyondthe reachoftheyoung.In199524%ofallfirst-timehomebuyerswereunder25; todaylessthan15%areaccordingtotheHalifaxabank. Thismuchisuncontroversial.ButthereportalsoarguesthattheLabour governmenthasmadelifeworseforyoungpeopleinthreeways.Firstincreased spendingonhealthcarehastendedtobenefittheoldwho’usetheNHSmore thantheyoung.Secondtiltingthetaxandbenefitsystemtowardspeoplewith childrenhastransferredmoneyfromtheyoungtothemiddle-aged.Thirdhigher tuitionfeesarelandinguniversitygraduateswithheftydebts.48．Andthe futuredoesn’tlookmuchbetter:thegovernment’sproposedpensionreforms alongwiththedeclineofdefined-benefitcompany-pensionschemesmakegrim readingfortheunder-30stoo.Thesechanges oughttohavebroughtaboutare-examinationoftheburdenoftaxationonthis agegroupsaysNickBosanquetofImperialCollegeLondononeoftheauthors ofthereporttiereckonsthatafterpayingvarioustaxmenandlenders graduatestakehomeonlyaroundhalfoftheirsalaries.Theaverageforall salariedworkersisaboutthree-fifths.Arethings reallythatbadWhenexaminedinafreeze-framebeingyoungdoesnotlookmuch funfinancially.Butwelfarestatesaremeanttotransferresourcesfromthe vigoroustothefragile.Somebenefitsaremerelydeferred:today’s25-year-olds willhavebabiesandhipreplacementsoneday.49．Andalthoughpeoplein their20sand30stendtobeheavilyindebtedthispasseswhentheysinkinto their40sand50ssaysRichardDisneyofNottinghamUniversity. Evensothefeelingthatyoungpeoplearebeing squeezedpresentsapoliticalopportunityfortheoppositionparties. 50．DavidWillettstheConservativeshadoweducationsecretarysaidina speechlastyearthattheyoungcouldbeforgivenforbelievingthatthewayin whicheconomicandsocialpolicyisnowconductedislittlelessthana conspiracybythemiddle-agedagainstthem_.TheLiberalDemocrat commissionontaxpolicyworriedinAugustaboutinter-generationalunfairness too.Therewillbemoreofsuchtalk.Forthe Toriesitoffersawaytodiscussreducingspendingwithoutsoundingasifthey aremerelythemouthpieceofthewealthy.ItgivesLibDemleadersawayto argueactivistsoutofpromisingtoout-spendLabour.Anditmightevenpersuade someofthosegloomy25-year-oldstovote.
Directions:Readthe followingtextcarefullyandthentranslatetheunderlinedsegmentsinto Chinese. Mostmarketingoperationspaycloseattentiontowhatyoung peoplearebuyingandthinking.NotBritain’spoliticalpartieshowever forthesimplereasonthattheunder-30sareunlikelytogoanywhereneara pollingbooth.In196411%ofthoseaged18to24claimednottovote accordingtotheBritishElectionStudy.Atthegeneralelectionlastyearthat figureroseto55%.46.AreportthisweekbyReformathink-tanksuggests thatthisreticenceiscostingthemdearly.Changesingovernmentpolicyit argueshaveturnedbeingyoungintoaterriblebore.47. Therearealreadytwopowerfuleconomicforcesworkingagainsttheso-called IPODgenerationthatarebeyondthegovernment’scontrol.Firstthe ageingofthepopulationisfastincreasingtheratioofpeopleinretirementto thoseofworkingage.Sotheyoungcanlookforwardtohandingoverarising proportionoftheirpaytosupporttheoldiesintheirdecline.Secondthecost ofbuyingahouseinplaceswherepeoplewanttolivehasshotupbeyondthe reachoftheyoung.In199524%ofallfirst-timehomebuyerswereunder25; todaylessthan15%areaccordingtotheHalifaxabank. Thismuchisuncontroversial.ButthereportalsoarguesthattheLabour governmenthasmadelifeworseforyoungpeopleinthreeways.Firstincreased spendingonhealthcarehastendedtobenefittheoldwho’usetheNHSmore thantheyoung.Secondtiltingthetaxandbenefitsystemtowardspeoplewith childrenhastransferredmoneyfromtheyoungtothemiddle-aged.Thirdhigher tuitionfeesarelandinguniversitygraduateswithheftydebts.48．Andthe futuredoesn’tlookmuchbetter:thegovernment’sproposedpensionreforms alongwiththedeclineofdefined-benefitcompany-pensionschemesmakegrim readingfortheunder-30stoo.Thesechanges oughttohavebroughtaboutare-examinationoftheburdenoftaxationonthis agegroupsaysNickBosanquetofImperialCollegeLondononeoftheauthors ofthereporttiereckonsthatafterpayingvarioustaxmenandlenders graduatestakehomeonlyaroundhalfoftheirsalaries.Theaverageforall salariedworkersisaboutthree-fifths.Arethings reallythatbadWhenexaminedinafreeze-framebeingyoungdoesnotlookmuch funfinancially.Butwelfarestatesaremeanttotransferresourcesfromthe vigoroustothefragile.Somebenefitsaremerelydeferred:today’s25-year-olds willhavebabiesandhipreplacementsoneday.49．Andalthoughpeoplein their20sand30stendtobeheavilyindebtedthispasseswhentheysinkinto their40sand50ssaysRichardDisneyofNottinghamUniversity. Evensothefeelingthatyoungpeoplearebeing squeezedpresentsapoliticalopportunityfortheoppositionparties. 50．DavidWillettstheConservativeshadoweducationsecretarysaidina speechlastyearthattheyoungcouldbeforgivenforbelievingthatthewayin whicheconomicandsocialpolicyisnowconductedislittlelessthana conspiracybythemiddle-agedagainstthem_.TheLiberalDemocrat commissionontaxpolicyworriedinAugustaboutinter-generationalunfairness too.Therewillbemoreofsuchtalk.Forthe Toriesitoffersawaytodiscussreducingspendingwithoutsoundingasifthey aremerelythemouthpieceofthewealthy.ItgivesLibDemleadersawayto argueactivistsoutofpromisingtoout-spendLabour.Anditmightevenpersuade someofthosegloomy25-year-oldstovote.
关于哈夫曼树下列说法正确的是
对于一个满二叉树共有n个结点和m个叶子结点深度为h则
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