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1、Unit 3 The world onlineWelcome to the unitTeaching aims:1. After learning this lesson, the students will be able to know more about the Internet, and talk about the Internet and its uses by making a debate on the effects of the Internet on our lives。2. After learning this lesson, the students willde
2、velop speaking and discussing skillsby talking about the four pictures and sharing ideas in a group。3.The students will have a fluent talk on that the Internet connects people all over the world and that the Internet has both positive and negative aspects.Teaching procedures:Step 1 Lead-in (PPT5-9)
3、1. Talk about the computer. 2. Learn about “ computer terms ”. (1) Which programme would you like to watch tonight? A program is something that we use to control or operate a computer.(2) The music from the keyboard sounds like music from a real piano. A keyboard is a set of keys on a computer that
4、help you operate thecomputer. (3) I hate to clean windows. Windows is a kind of computerprogram developed by Microsoft. (4) Memory is something you may start to lose with age. Memory is a space in the hard drive of a computer to store information. (5) Julie wants to have a pet mouse. Mouse is what y
5、ou control with your hand to move the cursor on the computer screen. Step 2 Brainstorming (PPT10-12) 1. Do you know how people kept in touch with each other in the past? (People used letters, postcards, telegraphs, faxes and telephones to communicate before the invention of the Internet. ) 2. Then h
6、ow people keep in touch with each other now? (With the development of Internet, more and more people are now using computers and the Internet for communication.) 3. What are your experiences using the Internet? 4. What is the Internet? (The Internet, also called the Net, is a collection of computers
7、 connected in a worldwide network.) 5. What are the functions of the Internet? (playing computer games, QQ, shopping, music, etc.) Step 3 Sharing information ( PPT 13-20) 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 14 页Discuss the four pictures of the poster “ A world of connections” . Enco
8、urage students to express their understanding about the different usages of the Internet and have a good imagination of what the Internet brings us in the future. Now work in pairs and have a discussion about each of the pictures. Picture 1 1. What can people do on this website?(Search for informati
9、on on a variety of topics. ) 2. What do we call this kind of website that provides searching services?(We call it search engine.) 3. How can you find information on the Internet using a search engine? (Enter key words) 4. What search engines do you know or often use? Which is your favourite search e
10、ngine?(Google, Baidu.) Picture 2 1. What do you think would be the advantages of buying things online? (As online shopkeepers do not have to pay for the rental of a real shop, the products sold online are usually cheaper than those in real shops. It is easy and conveninent to compare a product in se
11、veral online shops. Paying for things is simple as you just key in the credit card number and confirm the payment online. The delivery is usually quick and the online shops proivide delivery to your home. Above all, shopping online saves a lot of time.) 2. What do you think would be the disadvantage
12、s of online shopping?(Because people can only see pictures of the products online, sometimes you could receive something that was not what you really wanted. The safety of the payment is not 100 % guraranteed as someone may steal the account numbers or pin numbers of your credit cards registered onl
13、ine. Besides, some people falsely advertise products and then steal customers money.) Picture 3 1. Have you ever tried talking with your parents or friends online? 2. What devices do you need if you want to talk with people online? (A computer connected to the Interent, a web-camera, a web-microphon
14、e and a web-taliking software) 3. What are the good points and bad points of online talking? ( There are many good points. People can save a lot of money instead of paying for long-distance calls. People can keep in touch with family members or friends wherever you are in the world. People can make
15、new friends in different parts of the world. There are negative things too. The quality of the pictures or voices depends onthe speed of network transfer. Many peole talk with inline friends without realizing that their pictures could be used by others in illegal ways.) 4. Which way of communication
16、 do you prefer, talking face to face, talking over the phone, talking online or talking online with a web-camera? Why?Picture 4 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 14 页1. Have you tried other online services that are not mentioned here? Which ones? 2.What other online services do yo
17、u think we will need or have in the future? 3. What role do you think the Internet will play in the future?4. Do you think it is a good idea to live on the Internet completely?Step 4 Discussion (PPT21-23) 1. What do you think the most important benefit of the Internet is? (Fast speed and easy access
18、 are the most important aspects of the Internet.) 2. Do you think there are any negative things about the Internet?(There is too much information online that has not been proven to be true. There are too many exciting computer games, making those who cant control themselves kill time.) 3. In what wa
19、ys will the Internet improve our lives in the future? (The Internet will free people from the office. Every part of a home can be connected to the Internet, which will make life easier and more comfortable.) Step 5 Debate (PPT24) Using the InternetAdvantagesDisadvantagesStep 6 Homework (PPT25)1. Wri
20、te a passage about advantages and disadvantages of using the Internet. 2. Preview the reading. Reading (Period one) Teaching aims: After learning this period, the students will be able to: 1. understand the argument about the positive and negative effects of the Internet on peoples lives。2. learn ab
21、out the strategy of “ reading an argument” 。3. retell the effects of the Internet and debate about a certain subject. Step 1 Lead-in 1. Begin the class by discussion some problems about the Internet (PPT)(1) What do you usually use the Internet for?（Gather different answers to the questions and show
22、 some pictures about the functions of the Internet:to search for information, to help with study, to play game and download some music and video, for amusement and shopping）(2) What do you think the most important benefit of the Internet is?（It has brought us much convenience。 it help us to save muc
23、h time, energy as well as mon ey. ）精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 14 页(3) Do you think there are any negative things about the Internet?（ Give the students a few minutes to discuss with their classmates and then ask some to list their opinions ）2. From your answers, we can find
24、 that some students think it has good effects。some othersthink it s bad.That s what we will mainly learn today.Now please turn to page 34 and let s learn the passage about the Internet.Step 2 Skimming and scanning for general idea Allow the students two or three minutes to go through the text quickl
25、y to find the answers to the following questions. (PPT)(1) The text is the _ of the speeches two students gave at an _ about the _of Internet use. ( 2) Who are the two debaters? Answers: (1) transcript, inter-school debate, pros and cons ( 2) Zhu zhenfei, representing the pro-Internet side ；Lin Lei,
26、 representing the “con” sideStep 3 Reading strategy Tell students when we read an argument, there are something we should pay particular attention to. Allow the students about five minutes to read through the reading strategy on page35, and find out the answers to the following two questions. It is
27、suggested that the students work in pairs to compare notes with each other about their answers to the questions. (ppt.)(1) When you read an argument, you must remember that _. (2) How does an argument develop? The first thing : _ . After that: _ . In the rest of the argument: _ . At the end of the a
28、rgument: _ .Answers: (1) a specific view is being given .(2) a statement of what the argument is about；main points；supporting facts ；conclusion. Step 4 Careful reading for detailed information Tell students to read the two speeches and see how they were developed. Get them to analyze the structure o
29、f each speech and find out information about main points, supporting facts and conclusion. Allow them five minutes to read and then complete the following exercises about the text. (PPT)(1) I. Analyze the structure of the 1st part A specific view: _ .Para _: Present the two main points Para _: Suppo
30、rting facts for Point 1 Para _: Supporting facts for Point 2 Para _: Draw a conclusion II. Fill in the blanks. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 14 页(2) I. Analyze the structure of the 2nd part A specific view: _ Para 1 : Present the two _ Para 2 : _for Point 1 Para 3-4 : Supporti
31、ng facts for Point 2 Para 5: Draw a _ II. Complete the form below Debater (view) Main points Supporting facts conclusion Lin Lei (con) Point 1: eBay University professors (Para 2) Point 2: families time experts a study (Para 3-4) Answers: (1) I. the title。 1, 2-3, 4, 5 II. positive, value, 80%, 79%,
32、 hobbies, ability, interests, communicate, tool (2) I. the title, main points, Supporting facts, conclusion II. Point 1: uncontrolled information 。 Point 2: the change in the way people spend their time 。 Conclusion: It remains important for us either to limit our use of the Internet, or to learn ho
33、w to handle the problems it has caused.精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页，共 14 页Step 5 Listening and consolidation Play the tape for students to listen and imitate and ask the students to judge whether the statements below are true or false, and then deal with Part E on Page 37. Chec
34、k the answer together after that. If some statements are false, ask some students to correct them. (PPT)1. According to the survey, children use the Internet mostly to play games. 2. When people are in need of information, the Internet is now the first place that many people turn to. 3. In building
35、a friendship, the most important thing is common interests. 4. The clinic was opened in Beijing to help people surf the Internet. 5. If people spend all their time on the Internet, they will feel separated from the people and the world around them. 6. The purpose of the passage is to present the pos
36、itive effects of the Internet. Answers: FTTFTF Step 6 Extension Ask the students to work in pairs and make a dialogue. Supposing one of them is Zhanghua, who spends much time on the Internet everyday and often make online friends 。the other is Liwen, who isworried about the friendship online. And th
37、ey are debating whether people can find true friendship on the Internet. Give the students an example as follows: Zhanghua: Do you often use the Internet to talk to your friends? Liwen: No, not really. I see my friends at school. People do not tell the truth about themselves on the Internet, so Zhan
38、ghua: But I like to chat Liwen: Get two pairs to act their dialogue out in front of the class. Step 7 Homework1. Finish the exercises on Page 36. 2. Write a short argument about whether students should make friends online. Reading (Period Two) Language focus Teaching aims: After learning this period
39、, the students will be able to: 1. further understand the text。2. understand and use the words, expressions and sentences listed below。3. apply the target language to practical use and in certain contexts. Teaching procedures: Step 1 Retelling Retell the two speeches according to the key words given
40、. (PPT4-6)Suppose you are Zhu Zhenfei or Lin Lei. Retell the text according to the following key words. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页，共 14 页Pro-Internet side negative effects values: look for information。 form friendship a recent survey: 80%.answers to questions。 79%.advance kno
41、wledge about hobbies Internet friendships is based oncommon interestscommunicate with the outside world remains a positive tool Con-Internet side drawbacks: uncontrolled information。the change people spend their timeit is difficult to judgeeBay said 70%. not existaffecting people s private lifefamil
42、ies spend their time apart become addicted toit remains imp ortant either to limit , or to learn Step 2 Revision of the new vocabulary in the text. 1Match the words with the correct meanings. (PPT7) 2Fill in the blanks using the new words in the text. (PPT8-9)1）I m s_ of his ability to finish the ta
43、sk. He seems so careless. One of the greatest d_ of the Internet is that it sometimes provides false information. 2）I suggest living in the countryside, because the house d_ are too expensive. 3）Could you give me the a_ answer to this question. 4） A _ ( 私人的 ) car passed here and rushed the patient t
44、o the hospital. 5） Chinese arts have won the _ (赞赏 ) of a lot of people in the world. 6） This program is meant to help those who are _ ( 上瘾 ) to smoking. 7） It suddenly o_ to me that we went there by bike that day. 8） For these reasons, I believe it has p_ effects on our lives instead of n_ effects.
45、 Step 3 Language study 1。Words and phrases （PTT10-23 ）1) in need of (line 7) 需要? He expressed sincerely in his letter that he was in great need of my assistance.? 那些玫瑰急需浇水。? 我们急需更多的钱资助我们的计划。2) turn to sb./sth. (line 9) 求助于，转向 go to sb./sth. for help, advice, etc.? Paul turn to drink (= drinking alco
46、hol) to try to forget his problems at work. ? The boy turned to his mother for comfort. 她求助无门3）be skeptical of/about (line 14) 怀疑? Many scientists _ （仍然怀疑） the value of this research program. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 7 页，共 14 页? They say salt can clean your teeth, but _ _（我对此抱有
47、怀疑）. ? He listened to me _（带着怀疑的表情）. 4 ）rather than (line 24) 倒不如说；是而不 in preference to (sb./sth.) 。 instead of ? I d prefer to read _ _(在图书馆而不是在家). ? We would like to _ _ _ ( 去野餐而不是呆在家里) on such a sunny day. ? 我想喝冷饮，不想喝咖啡。5）address v. (line 34) （1）演说，致辞? He will address you on the subject of war an
48、d peace.（2）写地址? The envelope is addressed to Jack Johnson.（3）向提出 address sth. to sb. ? Who should I address my request to? ? Please address all complaints to the manager. address n. （1）对公众的讲话? The President gave an address to the nation over the radio. ? a graduation address ( 毕业演说 ) （2）地址? Please a
49、sk him to leave his home address. 6）occur vi. (line 47) （ 1）发生 happen ? I am so awfully sorry that this has occurred. ? 许多的交通事故发生在高峰时间。（ 2）出现，存在 exist, appear? E occurs in print more often than any other letter.? Such plants dont occur on the island. （3） (某想法 ) 出现在脑中，被想到? 经常用于以it 作形式主语的句中，真正的主语可以是从句
50、，也可以是不定式。? It occurred to her that she might adopt a homeless child.? Didn t it occur to you to close the window? ? That view of the case did not occur to me before.? 我突然想到一个主意, 感到非常高兴。 An idea _ _ _ _ and I felt much delighted. 我想到我把钥匙忘在了办公室里。 It _ _ _ _ I had left my key in the office. 7）be addict