专英辅导复习资料含答案.docx

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