Unit 4　Cyberspace Period One　Warmshy;up Lesson 1课件（北师大版必修2）.ppt

Period One　Warm-up Lesson 1 Ⅰ.单词识记 1. ____________v．影响 2. ____________adj.全球的 3. ____________n．增长； 生长 4. ____________n．罪犯 5. ____________n．恐怖分子 6. ____________v．(飞机，汽车等)撞毁 7. ____________adj.虚拟的 8. ____________adj.明显的 9. ____________n．病毒 10. ____________adj.乐观的 Ⅱ.短语天地 1. __________________变成现实，实现 2. __________________对……乐观 3. __________________各种各样的 4. __________________不对头，出毛病 5. __________________秘密地，暗地里 6. __________________take immediate action 7. __________________in the near future 8. __________________in the last thirty years 9. __________________practise doing sth 10. __________________make up Ⅲ.句型有哪些信誉好的足球投注网站 1．In the last thirty years，the Internet has grown rapidly. [信息提取]　in the last＋时间段，句子用现在完成时。 [例句仿写]　在过去的一年里， 我取得了很大的进步。 ________ ________ ________ ________，I have made great progress. 2．It is clear that we are going to see a huge growth in shopping on the Internet. [信息提取]　it 作形式主语；that 引导真正的主语从句。 [例句仿写]　很显然，我们将在明天完成所有的任务。 ________ ________ ________ ________we will finish all the work tomorrow. 3．I see people living and working in a virtual world. [信息提取]　see sb doing sth 看见某人正在做某事。 [例句仿写]　昨天下午我看见Micky 在湖里游泳。 Yesterday afternoon I________ ________ ________in the lake. 【答案】 1．In the last year　2.It is clear that 3．saw Micky swimming Ⅳ.预读理解 1．Fast reading：Scan the text and choose the best answers according to the text. ①What are some experts worried about? A．Its easy to buy things on the Internet. B．Some crimes in cyberspace. C．Television will disappear. ②How many computers were there in 1983? A．50 million.　　 B．200.　　　C．2,000. ③What is Angela Rossettos opinion about the Internet? A．She thinks mail service may disappear with the increasing use of e-mail. B．It is unsafe to surf the Internet. C．Computers bring a lot of trouble. ④What are the results of computers according to some experts who are pessimistic about the Internet? A．We can get all kinds of information. B．Terrorists may attack the computers. C．The disappearance of television. 【答案】①B　② B　③A　④B