2019-2020学年高中英语 Unit 4 Law and order Section Ⅰ Wel

Unit4Lawandorder随着垃圾邮件的泛滥，利用法律来保护网络用户的呼声越来越高了。StopSpam!WhenIfirstgotane­mailaccounttenyearsago，Ireceivedcommunicationsonlyfromfamily，friends，andcolleagues.NowitseemsthateverytimeIcheckmye­mail，Ihaveanendlessseriesofadvertisementsandothercorrespondencethatdonotinterestmeatall.Ifwewante­mailtocontinuetobeuseful，weneedspecificlawsthatmakespamming(发送垃圾邮件)acrime.Iflawmakersdonotdosomethingsoontoprohibitspam，theproblemwillcertainlygetmuchworse.Computerprogramsallowspammerstosendhundredsofmillionsofe­mailsalmostinstantly.Asmoreandmoreadvertisersturntospamtoselltheirproducts，individual(个人的)e­mailboxesareoftenfloodedwithspame­mails.Wouldpeoplecontinuetousee­mailiftheyhadtodealwithanannoyingamountofspameachtime?Thisproblemistroublingforindividualsandcompaniesaswell.Manyspame­mailscontaincomputervirusesthatcanshutdowntheentirenetworkofacompany.Companiesrelyone­mailfortheiremployeestocommunicatewitheachother.Spamfrequentlycausesfailuresintheirlocalcommunicationsnetworks，andtheiremployeesarethusunabletocommunicateeffectively.Suchasituationresultsinalossofproductivityandrequirescompaniestorepeatedlyrepairtheirnetworks.Thesecomputerproblemsraiseproductioncostsofcompanies，whichare，intheend，passedontotheconsumer.Forthesereasons，Ibelievethatlawmakersneedtolegislate(立法)againstspam.Spammersshouldbefined，andperhapssenttoprisoniftheycontinuetodisturbpeople.E­mailisatoolwhichhelpspeopleallovertheworldtocommunicateconveniently，butspamisdestroyingthisconvenience.[诱思导读]1．Whatdoestheunderlinedword“correspondence”inParagraph1probablymean?______________________________________________________________________________________________________________________________________________________________________________2．Accordingtothetext，whatisthemajorcauseofthefloodingspam?______________________________________________________________________________________________________________________________________________________________________________【答案】1.Messages.2.Moreadvertisersbegintopromotesalesthroughspam.SectionⅠWelcometotheunit&Reading—Preparing新生词汇初识Ⅰ.词义搭配1．deleteA．tomakeajudgementaboutthenatureorqualityofsb./sth.2．assessB．toremovesth.thathasbeenwrittenorprinted3．ripeC．aroughwrittenversionofsth.thatisnotyetinitsfinalform4．firmD．abusinessorcompany5．leakE．toallowliquidorgastogetinoroutthroughasmallholeorcrack6．suspectF．totrytoreachanagreementbyformaldiscussion7．draftG．fullygrownandreadytobeeaten8．negotiateH．tohaveanideathatsth.isprobablytrueorlikelytohappen，especiallysth.bad，butwithouthavingdefiniteproof【答案】1.B2.A3.G4.D5.E6.H7.C8.FⅡ.短语填空aswell；relateto；intheend；breakinto；keepupwith;referto；prevent...from；inaddition1．Wearegoingtotakepartinthepartytonight，whydon'tyoucome____________？2．Lungcancerisoften____________smoking.3．________________，heovercameallthedifficultyhemetwith.4．Workharder，andyou'll__________yourclassmates.5．Hefoundhishouse____________whenhegothomeyesterday.6．Theheavyrain_______him_______goingtothecinema.【答案】1.aswell2.relatedto3.Intheend4．catchupwith5.brokeninto6.prevented；fromⅢ.背诵下列教材中出现的句型，体会黑体部分的用法1．Asurveyconductedin2010bytheComputerSecurityInstitute，aprivateorganizationintheUSA，showedthat45.6percentofthe351biggestcompaniesandgovernmentagencieshadhadtheirsecuritysystemsbrokenintointhepreviousyear.一项由美国私人组织“计算机安全协会”在2010年进行的调查表明，351家最大的公司和政府机构中，45.6%的安全系统在前一年遭到入侵。2．Consideringhowbadthesituationwithcybercrimeagainstcompanieshasbecome，manypeoplewonderwhysolittleisknownaboutthis.考虑到针对公司的网络犯罪的情况很恶劣，许多人质疑为什么我们对于这些犯罪知之甚少。3．Theonlyanswertothisproblemisinternationalcooperation.这个问题唯一的答案就是国际合作。教材语篇细研Ⅰ.从三个选项中选择最佳答案1．Whichofthefollowingisright?A．Cybercriminalsaremoreinterestedingettingmoneyfromlargecompanies.B．Fraudagainstindividualsismoreserious.C．Receivinge­mailspromisingmoneyorchequesshowsthatyou'relucky.2．WhichoneofthemeasureswillNOTbetakentopreventonlinecrimes?A．Educatingpeoplewhousecomputers.B．Seekinginternationalcooperation.C．PreventingpeoplefromusingtheInternet.3．Littleisknownaboutcybercrimebecause________．A．thesituationisreallytoobadB．manycompaniesareunwillingtoreportthecasesC．theyfeartheywilllosecustomers【答案】1.A2.C3.BⅡ.完成下列表格FightagainstcybercrimeFour1.______ofcybercrimeCybercrimereferstoany2.____relatedtotheInternet.Itwas3.______fourcategories.1.ItmeanscrimesrelatedtoalackofproperInternetsecurityandspreadingcomputerviruses.2.Itreferstocrimesthatcanbecommittedwithorwithoutacomputer.3.Itissomewebsiteswithoffensivecontentorencouraging4.______.4.Itmeansthoseoffencerelatingtobreakingintellectualpropertyandcopyrightlaws.The5.______ofcybercrimeAllInternetusersareaffectedbyCybercrimedirectlyorindirectly.Somepeople'smoneyisstolenby6.______.Worsestill，manylargecompaniesarefacedwithabiggerproblem.Hundredsofbillionsofdollarswaslosteveryyearbecauseofcybercrime.Thereasonsofcybercrime1.Manycompaniesfeartheywill7.______iftheyreportthecasesofcybercrime.2．Cybercrimeissonewthatmanygovernmentshavenotyetpassedlawsagainstit.3．Mostcountriesdon'thavearrangementsfordealingwith8.______fromothercountrieswhomayhavecommittedcybercrime.Thesolutiontocyberc