电信专业英语期末试卷A及部分答案.doc

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1、考生信息栏系专业级班级姓名学号装订线2007－2008学年第1学期课程名称专业英语试卷卷别A√B□专业级班级考试方式闭卷√开卷□本试卷共八大题(6页)，满分100分，考试时间120分钟。请在答题纸上作答，在试卷上作答无效。一、根据英文单词或词组，写出中文意思（本题共15小题，每题1分，共15分）1.Semiconductor半导体2.amplitude振幅3.simultaneous同时4.slot槽5.protocol协议6.Bandwidth带宽7.Coaxial同轴8.Decode解码9.harmonic谐波10.Geostationary地球静止轨道

2、11.flip-flop触发器12.uplinkfrequencyspectrum上行链路的频谱13.peak-to-peakvalue峰—峰值14.homeappliance家电15.distributedsystem分布式系统二、根据英文缩写，写出英文完整形式及中文意思（本题共5小题，每题2分，共10分）1.ATM自动取款机2.WAN广域网3.ISDN整体服务数位网路4.ISO国际标准组织5.PCM脉冲编码调制三、用连线使A栏与B栏匹配（本题共2大题，每题5分，共10分）1.ColumnAColumnB(1)LAN(a)aninternationalst

3、andardsorganization(2)WAN(b)anetworkthatprovidescommunicationsacrosscountryortheentireworld.(3)hostcomputer(c)astationwhichisusedtoreceiveandretransmitmicrowavesignals.(4)ISO(d)acomputerwhichislocatedonanetworkandprovidesservicestoothernodesconnectedtothenetwork.(5)Microwaverelay(e

4、)anetworkthatprovidescommunicationswithinspecificbuildingsorfacilities.2.ColumnAColumnB(1)voicechannel(a)oneofthetypicalmobilecommunicationsystems(2)MSC(b)themediumusedtocarrycallsfromonepointtoanother(3)PSTN(c)radiostationusedwithinmobilecommunicationsfortransmissiontomobilesortoo

5、therbasestations(4)BS(d)publicnetworkwhichprovidesdial-up(拨号)accessandhasbeenprimarilydesignedtocarryvoice(5)CMS(e)aninterfacebetweentheradiosystemandthePSTN,wherecallstoandfromthemobilesubscribersareswitching四、选择适当的词或词组填空（本题共5空，每空1分，共5分）考生信息栏系专业级班级姓名学号装订线1.Thecurrentwhichflowsthro

6、ughRL______(isequalto,equalsto)theinputvoltageUidividedbyRi.2.Theswitch,resistorandwire______(arecomposedof,constitute)acircuit.3.Theuseofmobiletelephoneisquite______(familiarwith,familiarto)usinourdailylives.4.ATMretains(保留)alltheflexibility(灵活性)ofpacketmode,_____(enabling,enable)

7、onlyrequiredinformation______(tobeconveyed,convey).五、选择适当的词填空（本题共5小题，每题1分，共5分）1.Theword“multimedia”is______describeamixture(混合)ofhardware,softwareandapplications.A.beingusedtoB.usedC.usingto2.Thepulseiscomposedof_____states.A.oneB.twoC.three3.ATMtransferinformation____shortpacketsc

8、alled“cells”(信元)_____afixe