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2018上半年英语六级阅读理解100篇:eBay购物

2018上半年英语六级阅读理解100篇:eBay购物

2018上半年英语六级阅读理解100篇:eBay购物  eBay  eBayisaglobalphenomenon-theworldslargestgaragesale,onlineshoppingcenter,cardealerandauc,youmightevenfindahumankidneyoravirtualdate.  eBayBasics  eBayis,,Boats,ClothingAccessories,ComputersNetworking,,youclickontheauctiontitleandviewthedetails,includingpictures,descriptions,paymentoptionsandshippinginformation.  Ifyouplaceabidonanitem,,andsomehaveareservtreachthereserveprice,thesellerdoesn,youcanfindtonsoffixed-priceitemsoneBayt,youbuyit,youpayforitandyouwaitforittoarriveatyourdoor.  YoucanpayforanitemoneBayusingavarietyofmethods,includingmoneyorder,cashierscheck,cash,suptoeachsellertodecidewhichpaymentmethodshellaccept.  JustasyoucanbuyalmostanythingoneBay,youcansellalmostanything,,,youpaylistingfeesandturnoverapercentageofthefinalsalepricetoeBay.  Onceyouregister(forfree)witheBay,youcanaccessallofyoureBaybuyingandsellingactivitiesinasinglelocationcalled"MyeBay."  eBayInfrastructure  Aseriesofservicedisruptionsin1999causedrealproblemsforeBay,overloadedserversintermittentlyshutdown,meaninguserscouldntcheckauctions,,sellersandeBaywereveryunhappy,andacompleterestructuringofeBaystechnologicalarchitectureFollowed.  In1999,eBaywasonemass,eBayisabout200databaseserversand20searchservers.  Thearchitecture,everythingabouteBaycanactuallyrunonapproximately50servers-Webservers,,buttheytalktoeachother,  Whilethemajorityofthesitecanrunon50servers,,reusingeBay,youmaybet  WhenyoureontheeBayWebsiteandyouclickonalistingforaPersianrug,yourcomputertalkstoWebservers,whichtalktoapplicationservers,whichpulldatafromstorageserverssoyoucasstaticdatatocutdownondownloadtime,andtherearemonitoringsystemsin45citiesaroundtheworldthatconstantlyscanforproblemsinthenetwork.。

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