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1、Finding the Main Idea Finding the main idea of a conversation is a very important skill in listening comprehension. To acquire this skill, we must cultivate our ability to distinguish between major and minor information. We should learn how to listen for the general sense rather than for the meaning
2、 of every word. In fact, it is impossible for us to understand and remember every word uttered by the speaker and it is not necessary to do so. The first step to look for the main idea is to identify the topic the speaker is talking about. The topic is the subject or focus of what is being said and
3、is usually conveyed through the words or phrases the speaker mentions or refers to the most. Then you have to focus your attention on the sentence or sentences that extend the topic to the message the speaker wants to get across to the listener. Part A Listening Strategy第1页/共30页第一页，共31页。1. The main
4、idea of the passage: Establishing computer labs for the schools in Chinas poor rural areas. Students and teachers at 20 schools in Chinas poor rural areas had their own computer labs at the end of 2001. The labs were jointly funded by the China Youth Development Foundation and Coca-Cola (China) Beve
5、rages Ltd., which planned to establish more computer labs in 1,200 rural schools.2. The main idea of the passage: China is cooperating with India in training software professionals. China is now using Indias rich resources and expertise in IT education to meet its great demand for software professio
6、nals. An Indian company has recently signed a deal with China to establish a joint venture company in Beijing. It is the first Indian company to invest in the education of software professionals in China._第2页/共30页第二页，共31页。3. The main idea of the passage: The computer virus, Code Red 2, is about to a
7、ttack again.Code Red II, the worlds most vicious cyber worm, is about to start another attack. Unlike its former peer, “I love you” bug, this time the Code Red series will target Internet servers and the network. Anti-bug experts are calling for greater online security._第3页/共30页第三页，共31页。Pre-listenin
8、g TaskQuestions for discussion1. Do you often use a computer?2. What do you use the computer for?3. What problems have you encountered when using a computer?4. What is the Internet?5. What can you do on the Internet? 6. What are some of the advantages and disadvantages of the Internet? 7. What secur
9、ity measures should we take when we use the Internet?第4页/共30页第四页，共31页。Pre-listening TaskQuestions for discussion6. What are some of the advantages and disadvantages of the Internet? The Internet has contributed a lot to the social development. It has brought great convenience for communication acros
10、s large distances. It offers a huge amount of information of various kinds. People can find plenty of entertainment online and get services like online banking and shopping, etc. However, it also has some disadvantages. There are many cases of theft of personal information which cause losses of mone
11、y and privacy. Another threat is viruses which may disrupt the normal functioning of your computer systems. There are also some unhealthy websites on the Internet and could do great harm to the children. 第5页/共30页第五页，共31页。Pre-listening TaskQuestions for discussion7. What security measures should we t
12、ake when we use the Internet?There are several measures we can take when we use the Internet. First, it is important that we use a secure server when transferring personal information like credit card numbers over the Internet because any stop along the way could log our credit card number. When we
13、use a secure server, the number is encrypted (coded) and looks like gibberish (乱码(lun m)的) to every computer except the one we are sending the number to. Look for a “secure server” option before entering the credit card number online and the PIN numbers. Second, use anti-virus software to guard your
14、 computer from being hacked. Third, when your computer crashes down, ask help from the official maintenance service department. Dont give the computer to the person that cannot be trusted.第6页/共30页第六页，共31页。1. surf v. to search through a computer network for information or entertainment2. screen n. th
15、e flat surface of a computer monitor on which pictures or words are displayed 3. desperate a. nearly hopeless 4. exclaim v. to cry out suddenly because of surprise 5. stare v. to gaze intently, esp. with wide open eyes 6. ambulance n. a vehicle specially equipped to take injured or sick people to th
16、e hospital 7. crew n. all the people who work together 8. alarm call emergency call 9. be linked up with to be connected to 10. ring up (chiefly BrE) to telephone 11. Nathen Dees(男子名)12. Steffi Marks (女子(nz)名)13. Heilbronn a town in southwest Germany 海尔布隆(德国西南部城市)Text Nathen Dees第7页/共30页第七页，共31页。1.
17、What is the main idea of the passage? a. A teenager, while surfing the Internet, came upon an emergency call for help. b. A teenager responded promptly to a call for help on the Internet from a stranger far away and saved her life. c. A student suddenly fell ill and sought help on the Internet. d. A
18、 student was very sick, but she held on until help arrived.2. In which country does the teenager live? a. Austria.b. Australia.c. Germany.d. Poland.3. In which country does the student live? a. Austria. b. Australia.c. Poland.d. Germany.4. How did the teenager feel when he learned where the student
19、lived? a. Much annoyed.b. Very much surprised. c. Quite excited.d. Completely shocked.Exercise 1Text Nathen Dees第8页/共30页第八页，共31页。5. What did the teenager do after he received the message? a. Called an ambulance to the students home. b. Went on with his surfing on the Internet. c. Put a call to Germa
20、ny through an international operator. d. Informed the students parents about her condition.6. What could be inferred from the story? a. The teenager knew exactly how to act in a case of emergency. b. The teenager and the student had been pen-friends for some time. c. The student could find no help f
21、rom her own country. d. The student would have been healthy if she were not online.Exercise 1Text Nathen Dees第9页/共30页第九页，共31页。Exercise 2Text Nathen Dees 4 An emergency call reached an ambulance crew where the student lived. 2 Nathen learned that the message came from a student far away who had troub
22、le breathing and moving . 5 Nathen received the students thanks soon after the rescuers came to her help. She was finally safe . 1 Nathen was surfing the Net for fun when he received an urgent message for help. 3 After learning about her home address, Nathen rang up the international operator and as
23、ked the operator to put a call through to the students country ._第10页/共30页第十页，共31页。Text Nathen Dees On a wet Sunday morning in Sydney last year, 13-year-old Nathen Dees switched on his computer. He was surfing the Net, looking for someone to talk to, when he saw a message on his screen from a girl n
24、amed Steffi who was online: “H-E-L-P” “Whats the matter?” Nathen typed. “I cant breathe. Help me!” came the desperate reply. “Is this a game?” asked Nathen, rather annoyed. “No, it isnt. Im having trouble breathing. I cant get out of my chair,” replied Steffi. The alarm call was not a joke. Steffi M
25、arks was a 20-year-old university student working on a history project alone in her house in Heilbronn, Germany. While surfing the Net for information, she felt a sudden pain in her legs. She tried to get out of her chair, but she couldnt move. As the pain moved to her chest and made breathing almos
26、t impossible, she typed her cry for help.第11页/共30页第十一页，共31页。Text Nathen Dees “Can you call 000?” Nathan asked. He waited and got a shock when her reply came. “What is 000?” 000 is the emergency service number in Australia, but Steffi didnt know she was linked up with an Australian, and Nathen hadnt
27、realized till then that he was talking to someone outside Australia. “Where are you?” he asked. There was a long pause and finally the letters appeared, “Heilbronn, Germany.” Nathen exclaimed in surprise. He stared at the screen. Someone in a country far away needed his help. “Dont worry. Ill get he
28、lp for you.” Nathen typed back. “Whats your home address, Steffi?” 第12页/共30页第十二页，共31页。Text Nathen Dees Steffi sent back her address and added that the pain was getting worse. Nathen quickly rang up the international operator and asked to be put through to Germany. He explained the situation to the o
29、perator there and gave her Steffis address. Then he typed back, “Hold on, Steffi. Help is now on the way.” He waited anxiously for a reply. Meanwhile, in Heilbronn, an ambulance crew got the emergency call and sped towards the address with two police officers. Once at Steffis house, they broke down
30、the door and found her in great pain over the keyboard. She was able, however, to write one more thing to her Australian rescuer. The message Nathen had been waiting for finally flashed onto the screen. “They are here. Thanks. Bye.” Steffi was finally safe, thanks to a young boy on the other side of
31、 the world.第13页/共30页第十三页，共31页。Speaking TasksConversation 1A: What do you think of your university?B: Its the best, I think.A: Really?B: Yes. Our campus is very beautiful. And, on top of that, it has a very modern information center with lots of computers with Internet access. We can use them for wor
32、k and play. Thats really fantastic!A: Im glad you like it. But youd better not spend too much time on the Internet.B: Of course not. I still have to eat and rest. 第14页/共30页第十四页，共31页。Speaking TasksA: What are you doing now, Tom?B: Im downloading some sound and video clips from a website.A: Theyre the
33、 latest releases, I suppose.B: Yes. Harry Potter and the Deathly Hallows.A: Really? Oh, thats terrific! Id like to see that movie.B: Are you online too, Susan?A: Of course. B: Then you can download the clips too, you know.A: Well, but I like chatting with people on the Web more. We talk about everyt
34、hing: sports, books, movies and even romance. Its a real pleasure.B: Yeah, that must be fun, too.Conversation 2第15页/共30页第十五页，共31页。1. What are the two speakers doing? a. Theyre having a chat about the Internet. b. They are talking about how to use the Internet. c. One is interviewing the other about
35、the use of the Internet. d. They are talking about the difference between the Internet and e-mail.2. Mostly for what does the man use the Internet? a. Chatting online.b. Finding information. c. Joining in news groups.d. Looking through libraries.3. How often does the man go online? a. Two or three h
36、ours a week. b. Around four to nine hours a week. c. Less than three hours a week.d. About four hours a week.4. What do you know about the man? a. He knows its important to limit himself in using the Internet. b. He cant use the Internet at daytime. c. He cant resist the temptation of the Internet.
37、d. He is only a beginning user of the Internet.第16页/共30页第十六页，共31页。W: When did you get started on the Internet, David?M: Oh, about a year ago. I was doing a lot of e-mail and I got started through that really.M: So theres a difference between the Internet and e-mail?M: Yeah, e-mail is just like havin
38、g a mailbox in your computer and the Internet is like the biggest research library in the world, but theres more than that.W: Well, tell me a bit more about that.M: OK. Basically there are three things you can use the Internet for: finding information, joining in news groups, and chatting online, li
39、ke on a telephone, only you type your messages rather than say them.W: And you use it for all three?M: Not really. I use it mostly for finding information, you know, looking through university libraries, things like that.W: Uh huh.M: And I chat online with my brother in New York.W: Why dont you just
40、 call him?第17页/共30页第十七页，共31页。M: Well, its a lot cheaper. W: How often do you go online?M: Let me see. I try to limit myself. I guess I use it about two or three times a week for about a couple of hours each time. I have to stop myself. Theres this real temptation to just browse, you know.W: And when
41、 do you use it? Do you have a regular time?M: Actually like a lot of people, I use it at cheap rate times, early in the morning or late at night.W: I see. And one more thing, do you have any tips for anyone who might be interested in using the Internet?M: Yeah, I guess I could say a few things. Defi
42、nitely only use it at cheap rate times. Thats the first thing. And try to limit your time. And dont get sidetracked.W: Thanks for joining us, Dave.M: Thank you. 第18页/共30页第十八页，共31页。When did you get started on the Internet?How often do you go online?Do you have a regular time?And one more thing, do yo
43、u have any tips for anyone who might be interested in using the Internet?第19页/共30页第十九页，共31页。Time to Talk 1A: inventions, connect his notebook computer to the Internet, a vast amount of information available on the Internet, work at home via the InternetB: “Enter” key, tied around a globe (地球仪), smal
44、ler, global village, simple and convenient第20页/共30页第二十页，共31页。Time to Talk 1A: The Internet is perhaps one of the greatest inventions of the modern time. It has revolutionized the way people work, live and even think. The first picture shows a businessman in his hotel room, connecting his notebook co
45、mputer to the Internet to receive and send information. Theres a vast amount of information available on the Internet. People can even work at home via the Internet. B: The second picture shows an “Enter” key and lot of other keys which are encircled by a globe. It shows us quite clearly and vividly
46、 how the Internet is making our world “smaller”. This indicates that the Internet has shrunk the world into a global village. Things can be done simply by pressing the “Enter” key.第21页/共30页第二十一页，共31页。Time to Talk 2sitting in front of a computer, woman on the screen, talk on the Internet, a video cam
47、era (摄像机), the so-called Internet videophone, even though they are thousands of miles apartThis picture shows a man sitting in front of a computer. On the screen, we see a woman is using her notebook computer. Apparently the man is talking to her through the Internet as theres a video camera on the
48、table. This is the so-called Internet videophone. With this device, the woman and the man can see and talk to each other even though they are thousands of miles apart. 第22页/共30页第二十二页，共31页。Time to Talk 3advertisement about “Internet English”, an on-line English course, already many ways to learn, a n
49、ew way, any time, any place, at ones own speed of learning, offer a variety of programs, for people to learn, not just EnglishThis picture is about a course named “Internet English”. Its a study program which is offered on the Internet. English learning is popular, and there are many ways to learn t
50、he language in the classroom, over the radio, on TV, etc. Learning English on the Net is something new. The students can learn at any time, any place, and at their own speed of learning. The Internet offers a variety of programs for people to learn many other things besides English.第23页/共30页第二十三页，共3
51、1页。Movie TimeWords and Phrases for the Video1. signify v. 表示；意思是2. crime scene犯罪现场3. symphony n. 交响乐4. canvas n. (帆布)画布5. simulate v. 模拟(mn)6. toaster n. 烤面包机7. vacuum cleaner 真空吸尘器8. canner铁皮人9. Sonny 桑尼(人名)10. Spooner 斯普纳(人名)第24页/共30页第二十四页，共31页。1. The robot was suspected to have committed murder .
52、2. The detective explained his winking at another man as a sign of trust between human beings .3. The detective thought the robots were different from human beings in that robots have no emotions .4. When accused of killing, the robot claimed to be innocent .5. According to the robot, the victim kil
53、led himself .Movie TimeExercise A Fill in the blanks with what youve got from the video clip._第25页/共30页第二十五页，共31页。Movie TimeExercise B As the technology develops fast, machines like robots or computers seem to get more intelligent and more capable than humans. It still remains in question whether ma
54、chines can acquire human emotions, creativity or other traits. Whats your opinion on it? Do you think smart machines can replace human beings in the future?第26页/共30页第二十六页，共31页。Movie Time第27页/共30页第二十七页，共31页。Movie Time第28页/共30页第二十八页，共31页。第29页/共30页第二十九页，共31页。感谢您的观看(gunkn)！第30页/共30页第三十页，共31页。内容(nirng)总结Finding the Main Idea。“H-E-L-P”。8. canner铁皮(tip)人。感谢您的观看第三十一页，共31页。
