青铜器和金器构成了古蜀文化最精彩的华章，铸造它们的大量青铜与黄金源于何处

Expertsthinkthat______recentlydiscoveredpaintingmaybe______Picasso.

Conveniencefoodhelpscompaniesbycreatinggrowth,butwhatisitseffectonpeople?Forpeoplewhothinkcookingwasthefoundationofcivilization,themicrowaveisthelastenemy.Thecommunionofeatingtogetheriseasilybrokenbyadevicethatliberateshouseholdscitizensfromwaitingformealtimes.Thefirstgreatrevolutioninthehistoryoffoodisindangerofbeingundone.Thecompanionshipofthecampfire,cookingpotandcommontable,whichhavehelpedtobondhumansincollaborativelivingforatleast150,000yearscouldbedestroyed.Mealshavecertainlysatedfromtheriseofconveniencefood.TheonlymealsregularlytakentogetherinBritainthesedaysareattheweekend,amongrichfamiliesstrugglingtoretainsomethingoftheoldsymboloftogetherness.Indeed,theday'sfirstmealhasallbutdisappeared.Inthe20thcenturytheleisureBritishbreakfastwasunderminedbythecornflake;inthe21stbreakfastisvanishingaltogetheravictimofthequickcupofcoffeeinStarbucksandthecerealbar.Conveniencefoodhasalsomadepeopleforgethowtocook.Oneoftheapparentparadoxesofmodernfoodisthatwhiletheamountoftimespentcookingmealshasfallenfrom60minutesadayin1980to13minutesadayin2002,thenumberofcooksandtelevisionprogrammeroncookinghasmultiplied.Butperhapsthisisn'taparadox.Maybeitisbecausepeoplecan'tcookanymore,sotheyneedtobetoldhowtodoit,ormaybeitisbecausepeoplebuybooksabouthobbies—golf,yachting—notaboutchores.Cookinghasceasedtobeachoreandhasbecomeahobby.Althougheverybodylivesinthekitchen,itsfacilitiesareincreasinglyfordisplayratherthanforuse.Mr.Silverstein'snewbook,"tradingup"lookatmid-rangeconsumer'smillingnowtosplashout.Hesaysthatindustrial-styleVikingcookpot,withnearlytwicetheheatoutputofotherranges,havehelpedtopushthe"kitchenastheater"trendinhourgoods.Theycostfrom$1,000to$9,000.Some75%ofthemareneverused.Conveniencealsohasanimpactonthehealthiness,orotherwise,offood,ofcoursethereisnothingbadaboutready-to-eatfooditself.Youdon'tgetmuchhealthierthananapple,andsupermarketssellabetter-for-yourangeofready-meals.Butthereisalimittothenumberofapplespeoplewanttoeat;andthesedaysitiseasierforpeopletoeatthekindoffoodthatmakesthemfat.ThethreeHarvardeconomistsintheirpaper"whyhaveAmericansbecomemoreobese?"pointoutthatinthepast,ifpeoplewantedtoeatfattyhotfood,theyhadtocookit.Thattooktimeandenergy—agoodchipneedsfryingtwice,oncetocookthepotatoandoncetogetitcrispy—Whichdiscouragedofconsumptionofthatcostoffood.Masspreparationoffoodtookawaythatconstraint.Nobodyhastocutanddoublecooktheirownfriesthesedays.Whohasthetime?

某人向单位圆形的靶子内投掷一个靶点，连续投掷4次，若恰有3次落在第一象限的位置(假设以靶心为坐标原点

某次知识竞赛的决赛有3人参加，规则为12道题每题由1人以抢答方式答题，正确得10分，错误扣8分

签约的学生还可通过电子银行渠道与家长的建行账户做“亲亲账户”绑定，完成后

同时打开游泳池的A、B两个进水管，加满水需1小时30分钟，且A管比B管多进水180立方米

金融租赁公司的业务主要包括______。

Theguidethenledustoa(n)______bridgebehindthepalace.

国内银行的______存款种类只要不超过中国人民银行同期限档次的存款利率上限

设S、R、T三点为一个等边三角形的三个顶点，X、Y、Z为△SRT三边的中点

为提高我国上市公司整体质量，证监会发布了新的______制度，以规范上市公司退市。

两家银行USD/CNY报价分别为：A银行6.1500～6.2100，B银行6.1600～6

阅读下列材料，回答下列问题。 BJ公司是某银行客户经理小王计划大力营销的目标客户。近期

For this weekend only

Thelargeramachineandthemorenumerousitsparts,thegreaterlikelihoodofabreakdownandthemoreexpensivetorepair.Whathasbeensaidaboutmarketforcesandmanagementwasnecessarilyoversimplified.Theeconomiesofmodernindustrialnationsarelargeandverycomplex.Tobesure,thereismanagement,andtherearemarketforcesatwork,buttherearealsomanyotherfactorsthathelporhindereconomicfunction.Inmodernindustrialsocieties,governmentsplayalargerole.Thereisagreatamountofregulation,mostofitmeantfortheprotectionofthepublic.Allregulationsaffectthewaybusinessesoperate,oftenincreasingtheircostsandreducingtheirprofits.Lowerprofits,inturn,reducetheamountofmoneywhichisknownasworkingcapitalthatacompanycanuseforexpansion.Autoemissionstandards,forinstance,havehadasignificantimpactonthemanufactureandpricingofautomobiles.Othergovernmentpoliciessuchastaxation,budgetdeficits,andregulationofthemoneysupplyhaveaneffectonhowmuchmoneyisavailableforpeopletospendongoodsandservices.Internationalcrisesandotherconditionsalsoaffecttheworkingofaneconomy.AseverefrostinBrazilcanruinacoffeecropandraisethepriceofthatcommodity.Warcancutoffthesupplyofsuchresourcesaspetroleum,chromium,orcopper.IntheUnitedStatesenvironmentalprotestshaveslowedthedevelopmentofnuclearenergycapacityandtheminingofvasttractsofprotectedland.Weatheraffectsagriculture,ahot,drysummercandamagethewheatcrop;floodscandestroythousandsofacresofcropssuddenly;andinsectpestscandevastatecroplandwitharapidonslaught.People'sattitudesalsohaveanimpactonthemarketingofgoods.Health-consciousindividuals,forexample,maystopsmoking,curtailtheirintakeofalcohol,andeatlessofcertainkindsoffood.Advertisingaffectswhatpeoplebuy,anditcancreateamarketwherenoneexisted.Styleandfashionaresignificantformanyconsumers.Thereareothereconomicproblemsthataremoredifficulttounderstand.Forcenturieseconomieshavebeensubjecttoperiodsofprosperityfollowedbyperiodsofdecline.Althoughperiodsofprosperitycanbeexplainedrathereasily,thereasonsforpanics,recessions,anddepressionsareofacomplexnature.SomanyfactorscontributedtotheGreatDepressionofthe1930s,forexample,thatnoeconomisthaseverbeenabletoaccountforallofthem.Becausethecausesofdeclineareuncertain,theremediesareequallyuncertain.Inthelate20thcenturyallindustrializedsocietiesthroughtheirgovernmentshavetriedtostabilizeeconomies,keepthemprosperous,andreduceunemployment.Noneoftheremedieshasworkedtotheextentthatwashoped.Howeconomiesworkandwhatremediescanbefoundtokeepthemoperatingefficientlyarethetasksofeconomists,whomustworktogetherwithbusinessmenandpoliticians.

中国骑兵的历史始于春秋战国时期，赵武灵王“胡服骑射”是骑兵日趋重要的反映，但当时骑兵非常辛苦

宋代诗人陈与义在《襄邑道中》吟道：“卧看满天云不动，不知云与我俱东

金融资产的流动性是指______。

思想实验，哲学家或科学家们常常用它来论证一些让人感到______的理念或假说