大学体验英语第二册-unit8

DepartmentofCollegeEnglishExperiencingEnglishBookTwoDepartmentofCollegeEnglishUnit8ComputersandSecurityProceduresPassageAWarm-upActivitiesCultureNotesLanguagePointsDifficultSentencesSummaryFollow-upActivityAssignmentDepartmentofCollegeEnglishDepartmentofCollegeEnglishPassageAYouAretheWeakestLink,GoodbyeWarm-upActivitiesWhatdoyouknowaboutcomputerviruses?(eg.name,damagepower,howtospread,howtoprotectcomputerfromthem)Haveyourcomputersbeeninfectedbyviruses?Whyorwhynot?DepartmentofCollegeEnglishCultureNotesdesktop,laptopandevenhand-heldPCpersonalcomputer/portablecomputerDepartmentofCollegeEnglishBrandNamesofComputersCompaq：IBM：InternationalBusinessMachineApple：Tulip：Sony：Toshiba：Philips：Samsung：DepartmentofCollegeEnglishplayingcomputergamesharddisccapacitysoundcard,screen/monitorcompactspace-savingComputerTermsDepartmentofCollegeEnglishComputerTermscompatibilitymousekeyboardhardware/softwareonline/offlinedownload/uploadnetwork/website/cybertheInternet/intranetDepartmentofCollegeEnglishMacroVirusesMacrovirusesarecomputervirusesthatuseanapplication'sownmacroprogramminglanguagetodistributethemselves.Thesemacroshavethepotentialtoinflictdamagetothedocumentortoothercomputersoftware.Theinfectingfilescanbemodifiedordeletedandmaynotberecoverable.DepartmentofCollegeEnglishMelissaDepartmentofCollegeEnglishTheLoveBugThevirusiscirculatingthroughemailandaffectingmanycustomers.Ifrun,theviruscouldoverwrite.jpg,.mp3,andotherfiletypes,andattempttosendacopyofitselftoeveryoneintherecipient'saddressbook.TheLoveBugvirusisalsocalledtheLoveletterVirus,orsimplyILoveYou.DepartmentofCollegeEnglishLanguagePoints1.innocent:adj.(ofthings)harmless,knowingnothingofevilorwrong;(ofpeople)guiltlessDon’tbesoinnocentastobelieveeverythingyousee.Issheguiltyorinnocentofthecrime?DepartmentofCollegeEnglishLanguagePoints2.orso:aboutShewillbebackinadayorso.Inanotheryearorso,Lucywillhaveforgottenallabouthim.DepartmentofCollegeEnglishLanguagePoints3.encounter:vt.1)meetorbefacedby(somethingbad,especiallyadangeroradifficulty);2)meetunexpectedly.Weencounteredaserioussetbackwhentwomembersoftheexpeditionswereinjured.Ifirstencounteredhimatsummerschool.DepartmentofCollegeEnglishLanguagePoints4.unusual:adj.notcommon;rareIt’sunusualtofinddiamondsofthissize.Earlierthiscentury,itwasunusualforwomentohaveacareer.DepartmentofCollegeEnglishLanguagePoints5.infect:vt.1)fillwithdisease,germs;givediseaseto(aperson);2)Ifyourexcitement,eagernessetc.otherpeople,itmakesthembegintofeelthesameway.YoucanonlybeinfectedwithwithHIVinalimitednumberofways.Lucy’senthusiasmsooninfectedtherestoftheclass.DepartmentofCollegeEnglishLanguagePoints6.transmit:vt.sendorpassfromoneperson,placeorthingtoanother.TheUSOpenwillbetransmittedviasatellite.Doyouknowthataninfectionmaybetransmittedbymosquitoes?DepartmentofCollegeEnglishLanguagePoints7.cleanup:cleanthoroughlyWespentallSaturdaymorningcleaningup.Letmejustgoandcleanmyselfup.DepartmentofCollegeEnglishLanguagePoints8.inplace:intherightorproperplaceHaveyougotallthelightsinplaceyet?cf.outofplaceIfeltcompletelyoutofplaceamongallthosesmartrichpeople.DepartmentofCollegeEnglishLanguagePoints9.ensure:vt.make(somethingcertain)tohappenAllnecessarystepshavebeentakentoensuretheirsafety.Hishusbandensuredthathetookallhispillseveryday.DepartmentofCollegeEnglishLanguagePoints10.adequate:adj.enoughforthepurposeWithouttheproperresourcesthedepartmentcannotdoanadequatejob.Aretheparkingfacilitiesadequateforfiftycars?DepartmentofCollegeEnglishLanguagePoints11.detect:vt.findout;noticeManyformsofcancercanbecuredifdetectedearly.DoIdetectanoteofsarcasminyourvoice?adj.detectableDepartmentofCollegeEnglishLanguagePoints12.update:vt.makemoremodernorup-to-dateWeneedtoupdatethedefensiveweaponry.Thefilesneedupdating.DepartmentofCollegeEnglishLanguagePoints13.considerable:adj.fairlylargeorgreatinamount,size,ordegreeHehasbeenillforaconsiderabletime.Thesunwasnowhighinthesky,andtheheatveryconsiderable.DepartmentofCollegeEnglishLanguagePoints14.identify:vt.proveorshowwhoorwhatsomebodyisorsomethingisThelightwastoodimformetoidentifyher.Iidentifymyselffirst.Theywerereluctanttoidentifythemselvesfullywithanyparticularside.DepartmentofCollegeEnglishLanguagePoints15.inflict:vt.give(ablow,etc);causetosufferTheywon’tletanyforeignpowerinflictanyfurtherblowsontheirnationalpride.Ourarmyisinflictingheavylossesontheenemy.DepartmentofCollegeEnglishLanguagePoints16.setin:beginand(probably)continueLuckilythewoundwastreatedbeforeinfectioncouldsetin.Hemusttryandgetmygardentidiedupbeforethebadweathersetsin.DepartmentofCollegeEnglishLanguagePoints17.recede:vt.(ofthing)movebackorawayThecoastrecededaswesailedaway.Theplanegraduallyrecededoutofsight.DepartmentofCollegeEnglishLanguagePoints18.atrisk:indangerThediseaseisspreading,andallchildrenunder5areatrisk.Theeconomywillfallfurther,puttingmorejobsatrisk.DepartmentofCollegeEnglishLanguagePoints19.moreoftenthannot:inmostcasesOnweekends,moreoftenthannot,you’dfindmyuncleatwork.Moreoftenthanno