大学英语三级考试阅读理解模拟题及答案

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1、大学英语三级考试阅读理解模拟题及答案英语三级考试阅读模拟题及答案解析Directions：ThistaskisthesameasTask1.The5questionsorunfinishedstatementsarenumbered41through45.BroadbandtechnologyisseenasthekeytothenewdigitaleconomyInthisrapidlychangingworld，mediaandtechnologyinformationCanbesentviaphonecallsanddownloadslikemusic，graph

2、ics，businessinformationorfilms.Thesimplertheinformation，thesmallerthepackageandthenarrowerthebandwidthneededtodeliverit.BroadbandisusedforhighspeedInternetconnectionsatafixedmonthlyrate.Itturnsanexcitingtelephonelineintoahighspeeddigitallinecapableofcarryingdataupto40timesconventionalmod

3、emspeeds.Anydownloadisavailableattheclickofamouse-thereisnodial-upasthereiswithstandardInternetServiceProviders.Forhomeownersandfamiliestherearemanyadvantages.Oneofthemostimportantissimultaneous（同时的）accesstobothtelephonelinesandtheInternet.Noquesesandnodelay.Forbusinesses，broadbandcanimp

4、ovecustomerrelationsandprovidedirectaccesstocorporatee-mallsanddatabases.Entireoperationscangoonline.41.Thefunctionthatbroadbandtechnologyhasonthenewdigitaleconomyis________.A）furtherB）criticalC）costlyD）global42.Howmuchdoesauserpayifhehasbroadbandtechnologyinstalled？A）ItdependsOnthelengt

5、hoftime.B）Itdependsonthetimesofdial-up.C）Hepaysatafixedmonthlyrate.D）Hepaysalotofmoney.43.Comparedwiththemodemspeedthebroadbandtechnologycantransmitdata________.A）atuptofortytimesofordinaryspeedB）muchmorefasterC）atahighspeedD）withinasecond44.Whocantakeadvantageofthebroadbandtechnologyacc

6、ordingtothepassage？A）Familymembers.B）Collegestudents.C）Bothhomeownersandbusinessmen.D）Onlybusinessmenandtheirpartners.45.WiththebroadbandtechnologycompaniescanhavealltheiroperationsdoneA）duringtheworkdays.B）duringthewholeweekC）onlineD）offline参考译文宽带技术被视作新的数字经济的关键所在。在高速发展的社会，像音乐、图表、商务信息或电影

7、之类的传媒和技术信息可以通过电话和下载的方式进行传播。信息越简单，下载包就越小，所需用以传输的带宽就越窄。宽带每月收取固定的费用，提供网际间的高速连接。它将电话线转化为传输数据速度可达通常调解器40倍的高速数字接线。因为拥有标准网络服务提供商，无需拨打电话号码，只需轻轻一点鼠标，各种下载即成可能。对于居家用户和家庭有许多便利。最重要的是可以同时上网和使用电话，不用等候也不会延误。对于商务来说，宽带能改进客户关系，并提供公司邮件和数据库的直接查询。整个操作都可在网上进行。答案及精解41．【答案精解】B。推理题。从文中Broadbandtec