1、Unit 3 The world online 教学设计 Teaching Aims and requirements Read two debates and an information sheet Listen to speeches about how people watch and listen to the news Talk about the Internet and ask questions about facts and figures Write an e-mail reporting facts and figures Do research on the Inte
2、rnet and design a poster Teaching Procedures Welcome to the unit Step 1: Brainstorming With the rapid development of Internet, it has been influencing our daily life tremendously. Internet has transformed our lives and the way we communicate, we learn, we work and spend our free time. In fact, it ha
3、s more or less changed every aspect of human society. Boys and girls，please read the instructions and focus on the four pictures. Then try your best to think of information you know about each picture. Anyway, Ill give you a brief introduction first. (For example, “We are going to talk about how we
4、use the Internet. Try to find how we can use the Internet and how the Internet can affect our lives.”) Picture 1 What can people do on this website? What do we call this kind of website that provides searching services? (We call it search engine.) Do you know how to find information on the internet
5、using a search engine? What search engines do you know or often use? Which is your favorite search engine? Picture 2 Have you ever heard of shopping online or bought anything online? What is shopping online like? What do you think would be the advantages of buying things online? (As online shopkeepe
6、rs do not have to pay for the rental of a real shop, the products sold on line are usually cheaper than those in real shops. It is easy and convenient to compare a product in several online shops. Paying for things is simple as you just key in the credit card number and confirm the payment online. T
7、he delivery is usually quick and the online shops provide delivery to your home. The most important thing is that shopping online saves a lot of time. ) What do you think would be the disadvantages of online shopping? (Because people can only see pictures of the products online, sometimes you could
8、receive something that was not what you really wanted. The safety of the payment is not one hundred percent guaranteed as someone may steal the account numbers or pin numbers of your credit cards registered online. Also, some people falsely advertise products and then steal customers money. ) Pictur
9、e 3 Have you ever tried talking with your parents or friends online? What was it like? What devices do you need if you want to talk with people online? (A computer connected to the Internet, a web-camera, a web-microphone and web-talking software.) What are the good points and bad points of online t
10、alking? (There are many good things about online talking. 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 they are in the world. There are negative things too. The quality of the pictures or voice depends on t
11、he speed of the network transfer. Many people talk with online friends without realizing that their pictures could be used by others in illegal ways. ) Which way of communication do you prefer, talking face to face, talking over the telephone, talking online or talking online with a web-camera? Why?
12、 Picture 4 Have you tried other online services that are not mentioned here? Which ones? What other online services do you think we will need or have in the future? What role do you think the Internet will play in the future? Do you think it is a good idea to “live” on the Internet completely? Step
13、2: Sharing information 1. To work in groups of four or to form your own groups. Lets read the three questions under the pictures. 2. Exchange your opinions and discuss the three questions among your group members. I want all of you to fully participate in the discussion and express your opinions fre
14、ely. Then some of you are required to report your answers to the class. Remember it may be more interesting for groups to exchange and compare your answers. Sample answers 1. Yes, I like it very much. Normally I use it for checking e-mails, reading the most up-to-date news or talking with my friends
15、. Recently, I registered in an online music course, which allows me to study music and listen to music online for free. I bought things online once or twice, but I rarely do it now because I am very concerned about my privacy and the safety of the activities. 2. Fast speed and easy access are the mo
16、st important aspects of the Internet. Compared to the postal system, e-mail is very fast because people can receive an e- mail instantly after it is sent instead of waiting several days for a letter. Also, with a wire that connects the computer with the Internet, people no longer need to queue to pa
17、y for things, to book tickets or to register for something. They only need to sit in front of the computer and key in their information. The Internet has made modern life very convenient. The Internet also has its negative aspects. As the Internet allows free flow of information, people sometimes fi
18、nd that there is too much information online that has not been proven to be true. To some extent, the Internet is becoming a place to spread rumors. In addition, the Internet helps the free spread and downloading of pictures, literature, music or films without acquiring the permission from the copyr
19、ight holders, which is illegal. 3. The Internet will free people from the offices every day. They can do their business online, including reading documents and have meetings. At that time, people will have more spare time and arrange their personal lives freely. Besides, every part of a home can be
20、connected to the Internet, e.g., the fridge, the microwave oven or the bath, so that you can use the computer to pop online and control the electric devices at home when you are away. At that time, you can get home with food ready in the microwave and hot water ready in the bathroom. What used to be
21、 a great nuisance in the daily life will be just simply at one click of the mouse. Finally, the Internet will shorten the distance between people in different parts of the world. Free access to information will enable people to better understand the world they are living in. this will better protect
22、 the minority cultures and help people avoid culture shock. Step 3: Discussion: What are the advantages and disadvantages of the Internet? Sample answers With the rapid development of Internet, it has been influencing our daily life tremendously. Internet has transformed our lives and the way we com
23、municate, how we learn, how we work and spend free time. In fact, it has more or less changed every aspect of human society. We can benefit a lot from Internet. Firstly, it is more convenient than ever before. Internet has greatly shortened the distance among human beings. E-mail is much more effici
24、ent. To do some research work, we can search for relevant information on Internet without leaving our home. Secondly, we can reduce our cost greatly. We neednt spend lots of time and money in printing and posting. What we have to do now is just to send documents through Internet and it almost costs
25、nothing. Although Internet has brought us many benefits, there can be no denying that it has brought us many inconveniences, even harms as well. First of all, it is not safe on Internet. Maybe thousands of people are staring at you when you log onto Internet. Your private information, such as your a
26、ccount and password, is easy to be let out. On the other hand, with the sharply increasing amount of time spent on Internet, we are starting to lose ourselves, especially for those youngsters. We are getting more and more indifferent to people around us. The more we communicate, the lonelier we feel
27、. However, Internet itself is neither right nor wrong. We can benefit from it and may also suffer from it. Nobody can hold back the step forward of Internet. If we resisted it, we would certainly lag behind other nations. What we should do is to take full use of its advantages and try to avoid the h
28、arms it may bring as well. Step 4: Homework: 1. Collect more information about the development of the Internet. 2. Prepare the Reading part. Reading The effects of the Internet on our lives Step1: Lead-in Nowadays, internet is playing an increasingly significant role in our society. Since its appear
29、ance, it has brought enormous changes to our lives. It seems that no one can escape from the influence of it. As to whether it is a blessing or a curse, there is a long-running controversial debate. Some people think that increased use of the Internet leads to social isolation and depression. People
30、 who spend more time on the Internet spend less time socializing with peers, communicate less within the family and fell more lonely and depressed. Have a discussion about the good and bad effects of the Internet in group. Try to fill in the table below: The effects of the Internet Advantages 1. _ _
31、 2. _ _ 3. _ _ 4. _ _ Disadvantages 1. _ _ 2. _ _ 3. _ _ 4. _ _ Step 2: Fast reading for general ideas Go through the passage as quickly as possible and try to find answers to the three questions in part A. Just focus on and identify the information needed to answer these questions. Answers A 1 They
32、 are about different effects of the Internet on our lives. 2 Two. 3 Uncontrolled information and the change in the way people spend their time. Step 3: Detailed reading for important information 1. Lets read the passage a second time and complete Parts C1 and C2. Answers C1 1 against 2 for 3 against
33、 4 for 5 for 6 against C2 Arguments The Internet is a great help to people who are in need of various information. People use the Internet to build social ties. The amount of false information on the Internet becomes more of a problem every day. Spending too much time building relationships on the I
34、nternet can damage peoples abilities to live normal lives. 2. Read the text again and choose the best answers according to the text: According to the survey, children use the Internet mostly to _. A. chat B. play games C. help with their studies D. advance knowledge about hobbies What is the most im
35、portant thing in building a friendship? A. common interests B. appearance C. age D. popularity What is the worst problem of eBay? A. false information B. people dont know how to use a computer C. things selling on the Internet dont exist D. people are used to the traditional ways of buying The clini
36、c was opened to_. A. help people surf the Internet B. be an Internet caf C. make people spend their time with their family D. help people who are addicted to computer games Keys: (1)-(4) CAAD Now, read the Reading strategy on page 35. Pay attention to how to read an argument, especially, how to find
37、 each sides view, how to find a list of points, and what each side believes. Read the passage again and try to fill in the table below. Debaters Main points Supporting facts Conclusions the Internets value for people who are looking for information A recent survey done in the USA showed that 80 perc
38、ent of frequent users use it mainly to search for answers to questions, and that 79 percent said their second most common use of the Internet is to advance their knowledge about hobbies; Zhu Zhenfei the Internets ability to build online groups and form friendships which the Internet gives us 1.Inter
39、net friendships are based on common interests, rather than appearance, age or popularity; 2. People who are disabled and must stay in their homes can communicate with the outside world and meet others with similar interests; The Internet remains a positive tool that helps make our lives better. unco
40、ntrolled information 1. In 2003, eBay said that 70 percent of their problems were with people who sold things that did not exist, or who lied about the products they were selling; 2. University professors around the world complain that students are handing in papers using false information they foun
41、d on the Internet; Lin Lei the change in the way people spend their time 1. Some families spend their time apart, because one or more members are using the computer, or are at an Internet caf; 2. One university did a study about the students who had stopped their studies before completing a diploma
42、course, and found that 43 percent of them were heavy computer users; It remains important for us either to limit our use of the Internet, or to learn how to handle the problems it has caused. Step 4: Practice: 1. Now lets complete Parts D on page 36. Answers D 1 f 2 b 3 a 4 g 5 c 6 d 7 h 8 e 2. A un
43、iversity student sent an e-mail to his mother. Read it in Part E and fill in the blanks with words given in the box. Answers E (1) Internet (2) debate (3) speakers (4) experts (5) social ties (6) heavy (7) aspect (8) up-to-date (9) disabled (10) statistics Step 5: Post-reading activities 1. Pair wor
44、k: What do you know about the Internet? Try to find as much information as you can, and report your information to your partner. For reference The Internet is a giant network of computers located all over the world that communicate with each other. The Internet is an international collection of comp
45、uter networks that all understand a standard system of addresses and commands, connected together through backbone systems. It was started in 1969, when the U.S. Department of Defence established a nationwide network to connect a handful of universities and contractors. The original idea was to incr
46、ease computing capacity that could be shared by users in many locations and to find out what it would take for computer networks to survive a nuclear war or other disaster by providing multiple paths between users. People on the ARPNET (as this nationwide network was originally called) quickly disco
47、vered that they could exchange messages and conduct electronic “conferences” with distant colleagues for purposes that had nothing to do with the military industrial complex. If somebody else had something interesting stored on their computer, it was a simple matter to obtain a copy (assuming the ow
48、ner did not protect it). Over the years, additional networks joined which added access to more and more computers. The first international connections, to Norway and England, were added in 1973. Today thousands of networks and millions of computers are connected to the Internet. It is growing so quickly that nobody can
