新核心大学英语B版听说教程2Unit4.ppt

Unit 4 Information Security In this unit you will: 1. learn about the life of hackers and the safety of the Internet; 2. familiarize yourself with the words and expressions related to the theme of the unit; 3. learn to use these words and expressions; 4. learn about types of journalistic reports and their features for a better understanding of news reports; 5. practice listening with other non-theme-related audio and video materials; 6. learn to use the proper expressions and sentence structures to show agreement and disagreement. Learning objectives Part I Theme-Related Activities Part II Listening Strategies Part III Extensive Listening Part IV Communication Skills Part V Assessment Log Part I Theme-Related Activities Section I Interview Section II Science Report Section III Movie Clip 1. Have you ever wondered how talented hackers do their job and how intriguing and fascinating their life is? 2. Have you ever been troubled by some hackers, for example, by their phishing emails or other hoaxes and scams? Lead-in questions: Unit 4 》Part I 》Section I 》Lead-in questions Word Bank mystic /ˈmɪstɪk/ adj. 神秘的, 玄妙的 modem /ˈməʊdem/ n. 调制解调器 end up doing 〈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 Unit 4 》Part I 》Section I 》Word Bank junket /ˈdʒʌŋkɪt/ n. 凝乳食品，乳冻甜食;公费旅游 approx（approximately的简写） /əˈprɒksɪmɪtli/ adv. 近似地,大约 assemble /əˈsembəl/ v 装配, 组合 line up 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 Unit 4 》Part I 》Section I 》Word Bank 1. Joe Grand’s first invention was _________. A. a computer game that sold well B. a software that can be used to hack into any computer C. a device that allows callers to dial out but prevents calling in D. a modem t