专英辅导复习资料含答案.docx
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专英辅导复习资料含答案
首先答案有一些是我网上找的,有一些的是自己做的,如果有不对的请在群上说出来,让大家解决--------莫杰焕(也可以叫我雷锋)
一、TranslatethefollowingwordsandexpressionsintoChinese(写出下列词组的汉语。
)
1、capacity性能
2、solid-statestorage固态存储器
3、analogsignal模拟信号
4、time-sharingsystem分时系统
5、Hostcomputer-largecentralizedcomputer主机
6、anti-spyware抗间谍软件
7、ComputerFraudandAbuseAct计算机欺诈和滥用法案
8、historyfiles历史文档
9、keystrokeloggers击键跟踪人
10、Webbug网络臭虫(一种网络入侵间谍软件)
二、FillintheblankswiththecorrespondingEnglishabbreviations.(根据汉语写出相应的英语缩写。
)
1.数据库管理系统DBMS
2.传输控制协议TCP
3.多文档界面MDI
4.面向对象编程OOP
5.只读存储器ROM
6.数字视频光盘DVD
7.计算机辅助设计CAD
8.结构化查询语言SQL
9.通用串行总线USB
10.企业之间的电子商务交易方式B2B
三、Matchthefollowingwordsandexpressionsintheleftcolumnwiththosesimilarinmeaningintherightcolumn.(将左列的词汇与右列相应的汉语匹配。
)
c1.multimediaa.字处理器
f2.softwarelifecycleb.交换机
e3.structuredprogrammingc.多媒体
g4.functionaltestingd.局域网
a5.wordprocessore.结构化程序设计
h6.codewindowsf.软件生命周期
j7.firewallg.功能测试
d8.LANh.代码窗口
i9.hackeri.黑客
b10.switchj.防火墙
Ⅱ.Comprehension(阅读理解)
一、Fillintheblankswithsuitablewordsorexpressionsfromthelistgivenbelow,andchangetheformwherenecessary.(从下面方框中选择合适的词或表达,以其适当的形式填空。
)
researchreferstodesignRevealingspecialize
Cryptographyisthescienceofdisguisingand____revealing_____encryptedinformation,intermsofinformationtechnology,cryptographyusually____refersto___keepinganyinterceptedinformationprivate,Forexample,suchinformationmaybefinancialdata,likebankingandcreditcardinformationusedinonlineshopping,orprivatee-mailandcorrespondence.Cryptographers_____design___system,breaksystem,anddo____research____onencryption.Responsibilitiestypicallydonotincludebuildingandmaintainingthecomputernetworksthatusecryptography;thesearethedutiesofsecurityengineersaremathematicianswho____specialize____inmakingandbreakingcodes
二、Tellwhetherthefollowingstatementsaretrue(T)orfalse(F)accordingtothepassageA.(根据上文的内容判断下列句子的正误)
PassageA
Thecentralprocessingunit(CPU)istheheartofthecomputersystems.Amongotherthings,itsconfigurationdetermineswhetheracomputerisfastorslowinrelationtoothercomputers.TheCPUisthemostcomplexcomputersystemcomponent,responsiblefordirectingmostofthecomputersystemactivitiesbasedontheinstructionsprovided.Asonecomputergenerationhasevolvedtothenext,thephysicalsizeoftheCPUhasoftenbecomesmallerandsmaller,whileitsspeedandcapacityhaveincreasedtremendously.Indeed,thesechangeshaveresultedinmicrocomputersthataresmallenoughtofitonyourdeskoryourlap.
TheCPUcomprisesthecontrolunitandthearithmetic/logicunit(ALU).
Thecontrolunitisresponsiblefordirectingandcoordinatingmostofthecomputersystemsactivities.Itdeterminesthemovementofelectronicsignalsbetweenmainmemoryandthearithmetic/logicunit,aswellasthecontrolsignalsbetweentheCPUandinput/outputdevices.
TheALUperformsallthearithmeticandlogical(comparison)functions-thatis,itadds,subtracts,multiplies,divides,anddoescomparisons.Thesecomparisons,whicharebasically"lessthan","greaterthan",and"equalto",canbecombinedintoseveralcommonexpressions,suchas"greaterthanorequalto".Theobjectiveofmostinstructionsthatusecomparisonsistodeterminewhichinstructionshouldbeexecutednext.
Question:
1.Withthedevelopmentofcomputer,thephysicalsizeoftheCPUhasoftenbecomebiggerandbigger.(F)2.ThemovementofelectronicsignalsbetweenmainmemoryandtheALUaswellasthecontrolsignalbetweentheCPUandinput/outputdevicesarecontrolledbythecontrolunitoftheCPU.(T)
3.TheCPUcomprisesthecontrolunitandmemory.(F)
4.Thecontrolunitperformsallthearithmeticandlogical(comparison)functions(F)
5.Thecentralprocessingunit(CPU)istheheartofthecomputersystems.(T)
三、choosethebestansweraccordingtothepassageB.(根据上文的内容选择正确的答案。
PassageB
Nowworkorlackofworkisbecomingamajorsocialproblemintheworld.Itispartofourdailyroutineasittakesuponehalfofourwakinglife.Ifwedon'thaveworkorunsatisfactorywork,thenourlivesarelikelytobemiserableandempty.Itisinthisrespectthatcertainindustrializedcountriesnowhaveaparticularproblem.Outofaworkingpopulationofabout25million,atleast3millionareunemployed.Thisrepresentsjustunder10%oftheworkforce.Itisaterriblewaste.Relatedtotheproblemsmentionedaboveisthedifficultyoffindingagoodjobworthyofone'squalifications.Onlyasmallminorityofpeopleevermakeittouniversity.Thereforeonlyaverysmallpercentageofpeoplehavetheopportunitytoqualifyforthetopjobsorfortrulyprofessionalcareers.Yetincreasingly,moreandmoregraduatesfailtofindwork.Formanyofuswhohavealwaysenjoyedhavingasatisfyingjob,itishardtoimaginethemiseryofthosewhoarepermanentlyoutofwork.Longtermunemploymentissimilartoadisease.Theunemployedfinditdifficulttofindaccommodationortopayforaccommodation,andwithoutanaddress,itisdifficulttoclaimbenefits.Theproblemsofunpleasantworkornoworkarelikelytogetworsebeforetheygetbetter.Itwillbesomethingthatthenextcenturyinparticularmusttakeveryseriously.
Question:
1.Workispartofourdailyroutinebecauseittakesup____D____.
A.onehalfofourlive
B.onethirdofourlife
C.onehalfofourworkinghours
D.onehalfofourwakinglife
2.Incertainindustrializedcountries,outofaworkingpopulationofabout25million,A.
A.atleast3millionareunemployed
B.morethan3millionareunemployed
C.onethirdof25millionareunemployed
D.onefourthof25millionareunemployed
3.Accordingtothepassage,itis_B.
A.easyforgraduatestofindwork
B.difficultformoreandmoregraduatestofindwork
C.easyforgraduatestofindtopjobs
D.difficultforgraduatestobecomethegovernors
4.Paragraph2talksaboutarelatedproblem__C.
A.thatfewpeoplemanagetogettouniversity
B.thatgraduatesoftendon’tfindjobseasily
C.offindingagoodjobthatmatchesqualifications
D.thatmanypeoplemanagetogettouniversity
5.Paragraph3concludesthepassagebyA.
A.re-statingtheimportanceofhavingajob.
B.talkingaboutproblemsofproperaccommodation.
C.lookingforwardtothenextcentury.
D.lookingforagoodjobsomeday.
四、choosethebestansweraccordingtothepassageC.(根据上文的内容选择正确的答案。
PassageC
Acomputervirusisacomputerprogramthatiscreatedtomakeandspreadcopiesofitself.Theprogrammayhoweveralsobedesignedtohaveothereffectsonthesystemsitinfects,rangingfromtheannoyingtothedisastrous.
Virusattacksaregrowingrapidlythesedays.AccordingtoBusinessWeek,the76,404attacksreportedinthefirsthalfof2003nearlymatchpreviousyear'stotalnumber.Asnewantivirustoolsaremorepowerfulthanbefore,theviruswritersaregettingalotsmarterwithnewerandcreativewaystoattacknetworksystems.Let'sfirstexaminesomecommonvirustypes:
BasicVirus-apieceofsoftwarecodethatisdevelopedtoattackcomputersandnetworksystemsviaemailorInternetconnections.Itquicklyreplicatesitselfandgraduallyattachestofiles,programsortheharddrive.
TrojanHorses-Thisisaprogramthatdoesn'treplicatewhenenteringasystembutcanbeeffectivelyusedtoopen'backdoors.'TrojanHorsesallowhackerstotakecontroloveraparticularsystemortostealveryimportantdata.
Worm-thistypeofvirusisabletospreaditselfautomaticallyoverthenetworkfromonecomputertothenext.Duringawormattack,users'computersgetinfectedwithoutevenhavingtoclickopenemailattachmentoranyprogram,etc.
Sinceitisverydifficulttoavoidthevirus,yourbestdefenseisapowerfulantivirusprogram.Inordertofightwithsuchviruses,thesoftwarevendorsshouldfocusonmakingtheirproductsmorerobust.Thismayaskforatrade-offbetweenuser-friendlinessandsecurity.Inspecificcasesitmayrequireline-by-lineinspection,coderetoolingandevensystemsautomationtodefendtheinstalledprograms.
Question:
1.Acomputervirusisacomputerprogramthatiscreatedtomakeandspread_C____ofitself.
A.programsB.virusC.copiesD.files
2.WormspreaditselfexceptbyD.
A.networkB.E-mailC.programD.hardware
3.Antivirusprogramcanscanand___A__virus.
A.cleanB.produceC.replicateD.make
4.TrojanHorses___C__.
A.quicklyreplicateitselfandgraduallyattachetofiles,programsortheharddrive.
B.infectthecomputerwithoutevenhavingtoclickopenemailattachmentoranyprogram.
C.allowhackerstotakecontroloveraparticularsystemortostealveryimportantdata.
D.avoidthevirustoattackcomputer.
5.AccordingtoBusinessWeek,the__B___attacksreportedinthefirsthalfof2003nearlymatchpreviousyear'stotalnumber.
A.86,404B.76,404C.56,354D.34,876
Ⅲ.Translation.翻译(30分)
一、TranslatethefollowingsentencesintoChinese.(将下列句子翻译成汉语。
)
1.Asmostcompanies,andinparticularthoseinthefinancialsector,retainconfidentialinformationonelectronicmedias,theyarejustifiablypreventdatafallingintothewronghands.
由于大部分公司,尤其是那些财政部门,把机密信息通常放在电子媒体上,因而他们更要
阻止数据落入不适当的途径。
2.Televisionimages,forexample,canbeprocessedbycomputerprogramsoncetheyhavebeenconvertedtodigitalsignals,whilethoseinconventionalanalogsignalscannot.
例如,电视图像在被转换成数字信号后,就可以被计算机程序处理,而常规的模拟信号则
不行。
3.Operatingsystemsoftwaremayalsocontainsecuritymonitoringfeatures,suchasrecordingwhohasloggedonandoffthesystem,whatpro