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

专业英语 Lesson Four ? Key point: the tenses ? Difficult points: comparing the differences of the tenses ? Requirement: By the end of this lesson, you should be able to have a good command of ? the usage of each tense computer terms given in the lesson By the end of this lesson, you should be able to describe your experience against viruses write English visiting cards Internet Morals Watchdog Guards against Viruses as Well Abstract: This article introduces a blocking program to protect computers from viruses and “blocking program” e-mail attacks. Key words: internet morals watchdog; viruses; Symantec’s Norton Internet Security 2000; blocking program New Words morals n. 道德，伦理(moral的复数) watchdog n. 看门狗；守卫者 virus n. 病毒 block v. 锁住 denial n. 拒绝接受 attack n. v. 攻击 Hampton n. 汉普敦（美国城市名） Virginia n. 弗吉尼亚（美国州名） parental a. 父母的 sexual a. 性的；色情的 category n. 种类 hacker n. 黑客 snooper n. 窥探者 preoccupy v. 先占，先取； be preoccupied with使对……全神贯注 scandal n. 丑事 no-go areas n. 禁入区 on the lookout 警觉地注意着 embed v. 把……嵌入 switched-on a. 机灵的；聪明的 visible a. 看得见的；可见的 Live Update feature n. 在本文中指“即时更新” 特殊服务 definition n. 定义 gamble v. 赌博 bootleg v. 非法（经营） hostile a. 恶意的 hack v. 辟出，劈 Sentence Explanations 1. Parents concerned to protect their children from Internet sites showing pornography can use the same blocking program t protect computers from viruses and “denial of service” e-mail attacks. 关心保护他们的孩子免受色情网站毒害的家长们，可以采用保护计算机免收病毒与“拒绝服务”电子邮件攻击所用的同一种封锁程序。blocking program封锁程序，denial of service拒绝服务。 2．In part, the Symantec net worker