计算机专业英语(第二版) 教学课件 作者 吴群 吴坚 Lesson Eleven.pptVIP

专业英语 Lesson Eleven ? Key point: noun clause ? Difficult points: transforming direct speech into indirect speech ? Requirement: By the end of this lesson, you should be able to have a good command of the usage of noun clause computer terms given in the lesson ? By the end of this lesson, you should be able to describe how to defeat the hackers write English invitation cards Hackers Are Enemy Number One on the Internet Abstract: The Internet and Internet users can be targets for hackers. This article presents several ways to defeat the hackers. Key words: hacker; ways to defeat the hackers; an up-to-date virus scanner; constant password changes New Words hacker n. 黑客（私自存取计算机 中资料的人） transaction n. 办理；处理 temptation n. 引诱；诱惑 breach v. 破坏；不履行 prowl v. 悄悄行动 alert a. 警惕的；警觉的 fraudulent a. 欺骗的 estimate v. 估计 disclosure v. 揭发；泄露 brute a. 残忍的；没有理性的 bash away v. 猛力冲击来砸坏 sophistication n. 复杂；篡改 encryption n. 密码 scramble v. 使混杂 log on v. 登录 retrieve v. 重新得到；追溯；检索 inadvertently ad. 偶然地；无意地 snoop v. 持续而秘密地寻找或调查 tricky a. 狡猾的；复杂的；靠不住的 scrambling facility n. 扰频设备 Sentence Explanations For example, few people think twice about giving a credit card number over the phone and many are equally careless about what happens to the carbon copy when completing a transaction over the counter. 例如，在将信用卡插入电话时，几乎没有人会迟疑一下。很多人在柜台上买完东西后，对打印出来的付款单如何处理也毫不在乎。 Grammar Noun Clause 名词从句 1. 名语从句的构成及其在句中的作用 名词从句相当于名词，可在句中做主语、宾语、表语、补足语和同位语。引起名词从句的关联词有： (1)??? 从属连词：that (无词义，引起宾语从句时，有时可省略)；if （当“是否”讲，只用于宾语从句）；whether （当“是否”讲，可引起主语从句、表语从句、宾语从句。）从属连词在从句中不充当任何句子成分。例： Whether we need it is a difficult matter. 我们是否需要它，是个难题。（从句做主语） This expe