新核心大学英语B版听说教程2Unit4.ppt

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1、Unit4InformationSecurityInthisunityouwill:1.learnaboutthelifeofhackersandthesafetyoftheInternet;2.familiarizeyourselfwiththewordsandexpressionsrelatedtothethemeoftheunit;3.learntousethesewordsandexpressions;4.learnabouttypesofjournalisticreportsandtheirfeaturesforabetterunderstandingofnewsreports;5.

2、practicelisteningwithothernon-theme-relatedaudioandvideomaterials;6.learntousetheproperexpressionsandsentencestructurestoshowagreementanddisagreement.LearningobjectivesPartITheme-RelatedActivitiesPartIIListeningStrategiesPartIIIExtensiveListeningPartIVCommunicationSkillsPartVAssessmentLogPartITheme-

3、RelatedActivitiesSectionIInterviewSectionIIScienceReportSectionIIIMovieClip1.Haveyoueverwonderedhowtalentedhackersdotheirjobandhowintriguingandfascinatingtheirlifeis?2.Haveyoueverbeentroubledbysomehackers,forexample,bytheirphishingemailsorotherhoaxesandscams?Lead-inquestions:Unit4》PartI》SectionI》Lea

4、d-inquestionsWordBankmystic/ˈmɪstɪk/adj.神秘的,玄妙的modem/ˈməʊdem/n.调制解调器endupdoing〈非正〉（以……）结束;最终成为（变得）testify/ˈtestɪfaɪ/v.证明;证实fake/feɪk/adj.假的,冒充的handle/ˈhændl/n.（非正式）（人或地方的）称呼，称号geek/ɡi:k/n.傻瓜，呆子Unit4》PartI》SectionI》WordBankjunket/ˈdʒʌŋkɪt/n.凝乳食品，乳冻甜食;公费旅游approx（approximately的简写）/əˈprɒksɪmɪtli/adv.近似地

5、,大约assemble/əˈsembəl/v装配,组合lineup排成一行,让……准备就绪weird/wɪəd/adj.（非正式）十分奇怪的；奇异的mechanism/ˈmekənɪzəm/n.构造,机制payoff/ˈpeiɔːf/n.结果,报偿whimsical/ˈwɪmzɪkəl/adj.想入非非的；离奇的fantasy/ˈfæntəsi/n.想像,幻想Unit4》PartI》SectionI》WordBank1.JoeGrand’sfirstinventionwas_________.A.acomputergamethatsoldwellB.asoftwarethatcanbeused

6、tohackintoanycomputerC.adevicethatallowscallerstodialoutbutpreventscallinginD.amodemthatmadecommunicationpossiblewithhisfriendsTask1Watchthevideoclipandchoosethebestanswerstothefollowingquestions.Task√Unit4》PartI》SectionI》Task12.TheclubwaswantedbytheUSsenatebecause______.A.thegovernmentneededthemtoc

7、rackacodeB.theyhackedthegovernmentcomputersystemC.theywantedtoknowthestateofgovernmentcomputersecurityD.thegovernmentneededtoattacktheirenemies’computersystems3.TerrySandinandhisteamcreated________.A.