信息與通信工程專業(yè)英語試卷及答案

PAGEPAGE4/8裝裝訂線裝訂線裝訂線裝訂線研究生課程期末考試試卷《信息與通信工程專業(yè)英語》學(xué)年度第 學(xué)期學(xué)院： 專業(yè)：信息與通信工程姓名： 學(xué)號：題號題號一二三四五六總分得分簽名得分得分（1.5301.將下列英文詞組翻譯為漢語。Integratedcircuit 集成電路Individualelectrons 單個電子Bandwidth 頻帶寬度Conductorlength 導(dǎo)體長度Vector 向量Interface 界面Signalfrequency 信號頻率Voltage 電壓Integralform 積分形式Tensor 張量2.將下列漢語詞組翻譯為英語。模擬器 simulator傳導(dǎo)率 conductivity模式識別 patternrecognition種類 category數(shù)字技術(shù) digitaltechniques語音識別 speechrecognition磁共振 magneticresonance虛擬現(xiàn)實 virtualreality放大器 amplifier信息技術(shù) informationtechnology得分得分第二題、英文和漢語詞組正確搭配。（每小組1分，共10分）Modulationsidebands 數(shù)據(jù)信道fIntermediatefrequency 中頻 bAnalog system 有監(jiān)督學(xué)習(xí)eFeedbacknetwork 載波信道jSupervisedlearning 模擬系統(tǒng)cDatachannel 反饋網(wǎng)絡(luò)dAdaptivelearning 數(shù)字信號處理hDigitalsignalprocessing 調(diào)制邊帶aNegativefeedback 自適應(yīng)學(xué)習(xí)gBearerchannel 負(fù)反饋 i得分得分第三題、將下面幾段文字翻譯為漢語。（每小題4分，共12分）Wi-Fiisthetrademarkforthepopularwirelesstechnologyusedinhomemobilephones,videogamesandotherelectronicdevicesthatrequiresomeformofwirelessnetworkingcapability.裝裝訂線裝訂線裝訂線裝訂Wifi某種形式的無線網(wǎng)絡(luò)容量的電子設(shè)備上。Thenaturalsensors,likethosefoundinlivingorganisms,usuallyrespondsignals,havinganelectro-chemicalcharacter,thatis,theirphysicalnatureisbasedoniontransport,likeinthenervefibers.天然的傳感器，像在活體生物中發(fā)現(xiàn)的那些傳感器，通常以具有電化學(xué)特性的Someoftheresultingwaveletcoefficientscorrespondtodetailsinthedataset.thedetailsaresmall,theymightbeomittedwithoutsubstantiallyaffectingthemainfeatureofthedataset.得到某些小波系數(shù)對應(yīng)于數(shù)據(jù)集中的細(xì)節(jié)量。如果這些細(xì)節(jié)量取值小，可以忽略不計，而不會對數(shù)據(jù)集中的主要特征產(chǎn)生本質(zhì)影響。得分得分第四題、將下面幾段文字翻譯為英語。（每小題4分，共8分）值或者閾值來適應(yīng)具體情況的能力。Theadditionofinputweightsandthresholdsmakesneuronsmoreflexibleandpowerful.Neuronshavetheabilitytoadapttospecificsituationsbychangingweightsorthresholds.源。自從遠(yuǎn)古人類開始通過在ft望通過無線進行便捷有效的交流。Ifwethinkoflightasanelectromagneticwave,thehistoryofwirelesscommunicationcanbetracedbacktotheoriginoftheuniverse.Sinceancienthumansbegantotransmitinformationbyshoutingfromtoptotop,theybeganto線hopeforconvenientandeffectivecommunicationthroughwireless.得分得分第五題、將讀下面的2篇閱讀，并為每道題選擇唯一正確的答案。（每小題2分，共20分）Questions1to5arebasedonthefollowingpassage.America'seducationsystemhasbecomelessaladderofopportunitythanastructuretotransmitinequalityfromonegenerationtothenext.That'swhyschoolreformissocritical.Thisisanissueofequality,opportunityandnationalconscience.It'snotjustabouteducation,butaboutpovertyandjustice.It'struethatthemainreasoninner-cityschoolsdopoorlyisn'tteachers'unions,butpoverty.Southernstateswithoutstrongteachers' ，unionshaveschoolsatleastasawfulasthoseinunionstates.SomeChicagoteachersseemtothinkthatshouldn'tbeheldaccountableuntilpovertyissolved.Therearestepswecantakethatwouldmakesomedifference,andMayorRahmEmanuelistryingsomeofthem—yettheunionisresisting.I'dbesympatheticiftheunionfocusedsolelyonhighercompensation.Teachersneedtobemuchbetterpaidtoattractthebestcollegegraduatestothenation'sworstschools.But,instead,theChicagounionseemstobeusingitspoliticalcapitalprimarilytoprotectweakperformers.There'ssolidevidencethattherearehugedifferencesintheeffectivenessofteachers.ThegoldstandardstudybyHarvardandColumbiaUniversityscholars foundthateveninhigh-povertyschools,teachersconsistentlyhadahugepositiveornegativeimpact.Getabottom1%teacher,andtheeffectisthesameasifachildmisses40%oftheschoolyear.Getateacherfromthetop20%,andit'sasifachildhasgonetoschoolforanextramonthortwo.Thestudyfoundthatstrongteachersinthefourththrougheighthgradesraisedtheskillsoftheirstudentsinwaysthatwouldlastfordecades.Justhavingastrongteacherforoneelementaryyearleftpupilsabitlesslikelytobecomemothersasteenagers,abitmorelikelytogotocollegeandearningmoremoneyatage28.Howdoesonefigureoutwhoisaweakteacher?Yes,that'sachallenge.Butresearchersareimprovingsystemstomeasureateacher'sperformancethroughouttheyear,and,withthreeyearsofdata,ifsusuallypossibletotellwhichteachersarefailing.裝訂裝訂線裝訂線裝訂線裝訂線Unfortunately,theunioninChicagoisinsistingthatteacherswhoarelaidoff—oftenforbeingineffective—shouldgetpriorityinnewhiring.That'saninsulttostudents.Teachingissoimportantthatitshouldbelikeotherprofessions,withhighpayandgoodworkingconditionsbutfewjobprotectionsforbottomperformers.Thisisn'tabattlebetweengarmentworkersandgreedybosses.ThecentralfiguresintheChicagoschoolsstrikeareneitherstrikersnormanagersbut350,000children.Protectingtheuniondemandsacrificesthosestudents,ineffectturningablindeyetotheinjusticeintheeducationsystem.WhatdowelearnaboutAmerica'seducationItprovidesaladderofopportunityforthewealthy.Itcontributeslittletotheeliminationofinequality.Ithasremainedbasicallyunchangedforgenerations.Ithasbroughtupgenerationsofresponsiblecitizens.Whatischieflyresponsiblefortheundesirableperformanceofinner-cityschools?（B）Unqualifiedteachers. C)Unfavorablelearningenvironment.Lackoffinancialresources. D)Subconsciousracialdiscrimination.Whatdoestheauthorthinktheunionshoulddotowinpopularsupport?（C）A)Assistthecitygovernmentinreformingschools.C)Demandhigherpayforteachers.B)Giveconstructiveadvicetoinner-cityschools.D)Helpteachersimproveteaching.WhatisthefindingofthegoldstandardstudybyHarvardandColumbiaUniversityscholars?（D）Manyinner-cityschoolteachersarenotequaltotheirjobs.Alargeproportionofinner-citychildrenoftenmissclasses.Manystudentsaredissatisfiedwiththeirteachers.Studentperformancehasalottodowithteachers.WhydoestheauthorsaytheChicagounionsdemandisaninsulttostudents?（A）Itprotectsincompetentteachersattheexpenseofstudents.Itunderestimatesstudents,abilitytotellgoodteachersfrompoorones.Itmakesstudentsfeelthattheyarediscriminatedagainstinmanyways.Ittotallyignoresstudents，initiativeinthelearningprocess.QuestionsQuestions6to10arebasedonthefollowingpassage.5/8PAGEPAGE8/8Airpollutionisdeterioratinginmanyplacesaroundtheworld.Thefactpublicparksincitiesbecomecrowdedassoonasthesunshinesprovesthatpeoplelongtobreatheingreen,openspaces.Theydonotallknowwhattheyareseekingbuttheyflockthere,nevertheless.And,inthesesurroundings,theyaregenerallybothpeacefulandpeaceable.Itisraretoseepeoplefightingin agarden.Perhapsstruggleunfoldsfirst,notataneconomicorsociallevel,butovertheappropriationofair,essentialtolifeitself.Ifhumanbeingscanbreatheandshareair,theydon'tneedtostrugglewithoneanother.Unfortunately,inourwesterntradition,neithermaterialistnoridealisttheoreticiansgiveenoughconsiderationtothisbasicconditionforlife.Asforpoliticians,despiteproposingcurbsonenvironmentalpollution,theyhavenotcalledforittobemadea crime.Wealthycountriesareevenallowedtopolluteiftheypayforit.Butisourlifeworthanythingotherthanmoney?Theplantworldshowsusinsilencewhatfaithfulnesstolifeconsistsof.Italsohelpsustoanewbeginning,urgingustocareforourbreath,notonlyatavitalbutalsoataspirituallevel.Theinterdependencetowhichwemustpaytheclosestattentionisthatwhichexistsbetweenourselvesandtheplantworld.Oftendescribedas"thelungsoftheplanet",thewoodsthatcovertheearthofferusthegiftofbreathableairbyreleasingoxygen.Buttheircapacitytorenewtheairpollutedbyindustryhaslongreacheditslimit.Ifwelacktheairnecessaryforahealthylife,itisbecausewehavefilleditwithchemicalsandundercuttheabilityofplantstoregenerateit.Asweknow,rapideforestationcombinedwiththemassiveburningoffossilfuelsisanexplosiverecipeforanirreversibledisaster.Thefightovertheappropriationofresourceswillleadtheentireplanettohellunlesshumanslearntsharelife,bothwitheachotherandwithplants.Thistaskissimultaneouslyethicalandpoliticalbecausecanbedischargedonlywheneachtakesituponherselforhimselfandonlywhenitisaccomplishedtogetherwithothers.Thelessontaughtbyplantsisthatsharinglifeexpandsandenhancesthespherectheliving,whiledividinglifeintoso-callednaturalorhumanresourcesdiminishesit.Wemustcometviewtheair,theplantsandourselvesasthecontributorstothepreservationoflifeandgrowth,ratherthanawebofquantifiableobjectsorproductivepotentialitiesatourdisposal.Perhapsthenwewouldfinallybegintolive,ratherthanbeingconcernedwithbaresurvival.6.Whatdoestheauthorassumemightbetheprimaryreasonthatpeople6.Whatdoestheauthorassumemightbetheprimaryreasonthatpeoplestrugglewitheachother（A）裝裝訂線裝訂線裝訂線裝訂線Togettheirshareofcleanair.Topursueacomfortablelife.Togainahighersocialstatus.Toseekeconomicbenefits.Whatdoestheauthoraccusewesternpoliticiansof?（D）Deprivingcommonpeopleoftherighttocleanair.Givingprioritytotheoryratherthanpracticalaction.Offeringpreferentialtreat