课件20张PPT。Unit 3 The world onlineWelcome to the unit Do you know how people keep
in touch with each other?BrainstormingWhat are they?postcardsWhat are they?lettersWhat are they?Telephones and mobile phonesWhat are they?TelegraphsfaxesWhat are they?computersDiscussionWhich one do you prefer to use to keep in
touch with your friends? Why?
postcard
telephonecomputer letterDiscussionDo you like to use the Internet?
What do you usually use it for?Look at the poster and see what people do nowadays use it for.Search for information on a variety of topics.Keep in touch with family members wherever they are in the worldLook at the poster and see what people do nowadays use it for.Shop for the top brands at the best prices all over the worldLook at the poster and see what people do nowadays use it for.Group work1. What do you think the most important benefit of the Internet is?2. Do you think there are any negative things about the Internet?3. In what ways do you think the Internet will improve our lives in the future?Listening ALi Yue is talking to his teacher, Mr. Wu, about a newspaper article he has found about Internet addition. Check as much of his notes below as possible. Circle T if the statement is true ,and F if it is false( )1. About 2,500,000people in China use the Internet.
( )2. Many teenagers use computer games to escape from the pressures of school and life.
( )3. At a clinic in Beijing, people are usually treated for Internet addiction for 15 to 20 days.
( )4. Many teenagers at the clinic feel sad and nervous.Listening BMs Tang, Li Yue’s computer teacher, is telling him how to prevent Internet addition . Read Li Yue’s notes below and decide whether the statements are true (T) or false (F).( ) 5. You do not need to stop using computers to prevent Internet addition.
( ) 6. Ms Tang says that you can make a plan to spend only two hours every day playing computer games.
( ) 7. You should tell your parents and friends about your plan to limit your computer use.
( ) 8. Getting together with friends to talk is better than using a computer by yourself.ReadingPlease read the passage on the paper and then choose the correct answers.Homework1.Write a passage about advantages and
disadvantages of using the Internet.
2.Preview the reading.Suggested answersFast speed and easy access are the most 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 pay for thing, 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. 2. The Internet has its negative aspects. As the Internet allows free flow of information, people sometimes find 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 rumours. In addition, the Internet helps the free spread and downloading of pictures, literature, music or films without acquiring the permission from the copyright holders, which is illegal.
Suggested answersSuggested answers3. The Internet will free people from the office. People will not have to go to their offices every day. They can do their business online, including reading documents and having meetings. At that time, people will have more spare time and arrange their personal lives freely. Besides, every part of a home can be 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 oven and hot water ready in the bathroom. What used to be 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 the minority cultures and help people avoid culture shock.