8bunit3教学案.doc

教案8B Unit 3 Online toursPeriod 1 Comic strip and Welcome to the unit学习目标1. To introduce the topic of computer 2. To introduce the different uses of computers. 3. To guess the meanings according to the pictures. 学习重难点 1. To introduce the different uses of computers. 2. To guess the meanings according to the pictures. 3. To learn new words and phrases: online, television, channel, design, receive, program / look like, remote control, turn on, change the channel, play games, search for information, send and receive e-mails, word processing, write computer programs, use sth. to do教具学具 Computer Tape-recorder Pictures教学活动过程预习交流: 检查并校对预习作业(即学案中的预习题)展示探究:Step One : Lead-inQuestions:1.What do you usually do when you are free? 2.Do you have a computer at home? 3.Do you like playing a computer? 4.What do you use a computer for?Discussion:1. Let the Ss tell more uses of computers. Ask: What do you know about computers? 2. Ask: What can you do if you have got a computer at home?Step Two: Presentation 1 Computers are very popular now. Some people use the computers to draw and design; some use them to send and receive emails; some use them to do word processing and some use them to write computer programs . Show the pictures of the six pictures on page 41A. Ask the Ss to read the phrases in the box above the pictures. Ask them to guess the meanings from the pictures.Task 1. After reading the new words fluently, let Ss match the phrases with the correct pictures.Task 2. Recite the phrases. Step Three: Practicing Show the picture of a computer. T: It is a computer. What do you use your computer for? S1: I usually use it to play games. T: Why? S1: Because it is interesting. T: How often do you use your computer play games? S1: I use my computer to play games once a week. Make dialogues about other five pictures in pairs. (Practise the dialogue before the whole class then do the Ex 当堂训练题) Working on the computer is very fun. Ask students to list as many other uses as they can.For example: playing CDs, VCDs or DVDs; chatting with or getting to know friends; learning on the Internet; mathematical calculation, etc.Step Four :Presentation 2 Theres a story happening between our old friends Eddie and Hobo.They have no ideas about computers. Lets listen to the tape and answer: 1. Do Eddie and Hobo know well about computers? nothing 2. What does Eddie regard the mouse as? A remote control. 3. Why does Eddie think the mouse is a remote control? Because when Eddie moves the mouse, something appears on the screen. They think the computer is a television. Step Five: Practicing 1. Read the dialogue after the tape. 2. Practise the dialogue in pairs. 3. Act out the dialogue .当堂反馈: Finish the Exercises in Ex Book(当堂检测题) 课堂评价小结: 学会用英文表达电脑的不同种用途课后作业: a. Read the comic strips and try to recite it. b. Try to revise the phrases and sentences in this period. c. Finish the Exercises in Ex Book.(课时配套练习)预习作业: 预习Reading 1.熟读课文，注意文中生词2.整体理解课文，划短语教后反思: 学案8B Unit 3 Comic strip and Welcome to the unit学习目标：词汇: 课本P123（ P40-P41）的单词词组：have on idea, look like, remote control, turn on, change the channel, search for information, send and receive e-mails, use sth. to do, write computer programmes, word processing知识点：1. I usually use it to search for information. search for sth/ search sth 的区别 search sb. or a place for sth2. I have no idea. =I dont know. have no idea 后面可以接of 短语或从句。3. Look, the TV is turned on now. turn on / turn off/ turn down/ turn up 4. What do you usually use your computer to do? (= What do you usually use your computer for? ) use sth. to doStep One：Finish the following Ex 预习题(一）预习本课内容，尝试写出下列短语。1.遥控器 2.看起来像3.打开电视 4.同意某人5.文字处理 6.举行一次作文比赛7.收发电子邮件 8.编写电脑程序9.搜索信息 10.换频道（二) 同义句转换。 1. Im afraid Ive no idea. Im afraid I _ _. 2. Tom will say “Yes” to me. Tom will _ _ me. 3. The boy turns on the TV now. The TV _ _ _ now. 4. What do you use the computer for? What do you use the computer _ _? 5. I use the computer to search for information.The computer is _ _ search for information.Step Two：Questions and Discussion Make dialogues, then finish the Ex P41AStep Three：Finish the following Ex当堂训练题（一）根据句意、首字母或汉语提示完成下列句子。 1. People often use computers to s_(look for ) for information on the Internet. 2. That machine looks like a t_ . 3.-Please bring me the _ control (遥控器). -OK. 4.-Which _ (频道)do you like best? - Sports. 5. I think it is fast and e_. (simple) (二) 句型转换 1. I dont know how old she is. I have _ _ how old she is. 2. He uses his computer for drawing and designing. His computer is _ to _ and _. 3. I think this programme is boring. I _ think this programme is _. 4. We usually use our computers to send and receive e-mails. _ _ you usually use your computers _? 5. I use my computer to search for information every Saturday evening. _ _ do you use your computer to search for information?Step Four：Listening , Reading and Act outStep Five：Finish the following Ex 三、当堂检测题（一） 根据句意，中文提示写单词。 1.We can use computers to (设计) . 2.We can use computers for_(查信息). 3.We can use computers to_(收发电子邮件). 4.We can use computers for_ (文字处理). 5.We can use computers for_(画画). 6.We can use computers to_(听音乐). 7. It _ (看起来像) a television. 8.The TV is （打开）now. (二).用所给词的正确形式填空. 1.Danny usually _(get) at six in the morning. 2.What _ David _ (do) the day before yesterday. 3.It was six in the afternoon. The young people _(play) games. 4.-Who _ (buy) a new computer last week? -Steven did. 5. Do you need _ (drink) a bottle of milk? 6. Look! Who _ (stand) under the tall tree. 7. You shouldnt _(eat) too much. (三) 选择填空。 （ ）1. -Please tell me how many times _ to the Summer Palace. - Only once. A. have you gone B. you have gone C. have you been D. you have been （ ）2. _ boring story he told us! A. What B. What a C. How D. How a （ ）3. Dad is sleeping, please _ a little. A. turn on B. turn off C. turn up D. turn down （ ）4. A reading competition _ by the school every term. A. is holding B. holds C. is held D. held （ ）5. - _ do you use computer for? - Drawing and designing. A. Why B. What C. When D. How 课时配套练习8B Unit 3 Comic strip and Welcome to the unit一、根据提示完成句子。1.-What is Taobao. Com? -It is an _(在线的) marketplace?2. Did you see the boat race on _(电视)？3.This programme is boring. Let me change the _(频道)。4.We can use the computers to send and _(接受) e-mails.5.My cousin is good at designing computer _(程序)。二、动词填空 1. Please write to me as soon as you_ （get）there. 2. Dont make a noise. Grandma _ （sleep）. 3. _ it_（rain）when school was over yesterday？ 4. “_ the No. 302 bus _ （come）？”“Not yet.” 5. My school bag _（wash）once a month. 6. Mr Jiang _ （leave）Guangzhou more than 50 years ago. He _（be） away for over 50 years.7. The box _ （make） of glass is easy to be broken. 8. The lost boy _（find） in the forest two days ago. 9. Who_ （dance）best in your class？10. I dont know if Mr Wang _ （go）to Shanghai tomorrow.If he _ （go），I_ （ask） him_ （take）some books to my daughter，because she _ （study）there.三、单项选择。 ( )1. The computer _ a television, doesnt it? A. is like B. like C. looks like D. looks ( ) 2. Whats this called in English, Eddie? _. A. No, I dont B. Yes, this is a computer. C. Ive no idea D. I not know ( ) 3. The TV _ on Channel Six are about films. A. experiences B. performances C. programs D. problems ( ) 4. We can change the channel on TV with a _. A. keyboard B. mouse C. cursor D. remote control ( ) 5. This CD-ROM can help you learn and have fun_. A. at times B. on time C. at the same time D. in time ( ) 6. Tom is _ boy now. A. a 11-years-old B. a 11-year-old C. an 11-year-old D. an 11-years-old ( )7. My father will be back from Beijing_ a week. Afor Bin Cafter D. behind ( ) 8. Metal _ making machines and many other things. A. used to B. is used for C. is used as D. is used to ( ) 9.Chinese _ by the largest number of people in the world now. A. is spoken B. is speaking C. speaks D. spoke ( ) 10. The news _, right? A. sound exciting B. sounds exciting C. sounds excited D. sounds excitingly ( ) 11. Do you mind me smoking here? _.Look at the sign. It says, “ No smoking.” A. It doesnt matter B. No, I dont. C. Youd better not D. Never mind. ( ) 12. Try to buy one before all the tickets _. A. will be sold B. will be sold out C. are sold D. are sold out ( ) 13.The book was written_ Lu Xun. A. by B. with C. as D. / ( ) 14. I want to watch the news on TV. _, please. A. Turn on it B. Turn it on C. Turn off it D. Turn it off ( ) 15. If you want to open a file, please_ on the icon. A. left twice clicks B. left double clicks C. double left click D. twice left clicks ( ) 16. Can you work out this math problem? Yes, I can. Its_. A. hard B. difficult C. simple D. easier ( ) 17. Information can be stored on the _. A. programs B. floppy disks C. hard disks D. Both B and C ( ) 18.The package tour _ everything. You dont worry about it. A. covers B. including C. have D. owns ( ) 19. Can you show me_ to start the computer? A. what B. where C. how D. which ( ) 20. Do you want her_ one for you? A. order B. to order C. orders D. ordering四、用方框中所给单词的适当形式填空 learn but quick back save live online somewhere watch in More and more people are 1 the life with computers. Using computers you can send e-mails 2 and easily. You are able to send a letter with pictures and sounds to someone, 3 in the world without putting a stamp. E-mail can send its message to the other side of the world 4 seconds. E-mail is easy to use and it 5 time and money. It serves (服务) for twenty-four hours. So it doesnt matter if your friends are in bed when you send e-mails to them,or were you seeing a film at the cinema when they send e-mails 6 . Can you imagine (想象) the future without teachers 7 computers? Students will teach themselves in the schools in the future. Computers help students develop their own ways of 8 .Students will follow the learning programmes by looking at online libraries and 9 lessons by world-class teachers. If they dont understand something ,they will ask other students 10 or e-mail their teachers. Computers are becoming more and more popular indeed.1._ 2._ 3._ 4._ 5._6._ 7._ 8._ 9._ 10_五、完型填空 At 9 am. on October 15, 2003, our country launched(发射) its first manned spaceshlp(载人宇宙飞船) ,Shenzhou V,into space at Jiuquan Satellite Launch Centre in Gansu Province. It 1 Yang Liwei and his spaceship about 21 hours to circle the earth 14 times. Yang Liwei,38, 2 Liaoning Province. He is Chinas first astronaut(宇航员),and 3 a pilot (飞行员) since 1983. He 4 from 14 pilots after many difficult tests not long ago. The life of an astronaut is hard to imagine for many people. To put on a space suit takes 5 15 minutes with the help of others. Sleeping in space is not easy, 6 . He has to sleep in a special sleeping bag on the wall 7 there is no gravity(引力). Yang can eat chicken and rice. IUs especially(特别) made to eat in space but tastes just like the real thing. Irn feeling very good in 8 , and it looks wonderful here. said Yang, I have looked at our beautiful earth and recorded(记录) all that I have seen here. China has become the 9 country in the world to send a person into space after the fromer Soviet Union(前苏联) and the United states. China is now planning its 10 launch. Shenzhou VI will go into space within (在之内) the next two hours, it may take three astronauts. We are all proud of our motherland. ( ) 1. A. spent B.took C. cost D. paid for ( ) 2. A. was born B. comes from C. comes to D. lives ( ) 3. A. is B.was C. has become D. has been ( ) 4. A. chooses B. chose C. is chosen D. was chosen ( ) 5. A. him B. his C. he D. himself ( ) 6. A. too B. also C. either D. neither ( ) 7. A. because B.so C. and D. but ( ) 8. A. room B. place C. sky D. space ( ) 9. A. first B. second C. third D. fourth ( ) 10. A. before B. last C. next D. the next六、阅读理解 （A） Are you afraid of your computer? Are you worried about pressing the wrong button and the whole thing crashing(毁坏)? If so, you are not alone, Thousands of people around the country have expensive computer systems they simply do not know how to use properly(正确地). There are thousands more who are even scared(害怕) to buy their first computer. But it is now at hand. There is a new course(课程) for beginners that, not only tells you what equipment(设备) you need , but also shows you how to completely master (掌握) your computer in just 2 hours. Yes, believe it or not, you will master your computer in just 2 hours. Unlike other courses, this one is really for true beginners. You do not need to know a thing. You dont even need to know how to switch your computer on. This course starts right at the beginning and builds your skills step by step.( ) 1. Why thousands of more people are scared to buy their first computer? A. Because they dont have enough money B. Because they dont know how to use it properly C. Because they worry about pressing the wrong button D. Because they are afraid of computers( )2. Who is the new course for? A. Beginners B. Inventors C. Workers D. Students( )3. How long does it take you to master the computer? A. More than two hours B. Less than two hours C. Two hours D. Three hours( )4. Where do you think you can find this article? A. On TV. B. Over the radio. C. In the newspaper. D. In a big shop. （B） Is your schoolbag too heavy to carry? The e-schoolbag will help you. It is said that e-schoolbags are going to be brought into use in Chinese middle schools soon. In fact, the e-schoolbag should perhaps be called an e-textbook. It is a small computer for students. Heavy schoolbags have long been a serious(严重的)problem for them. But the e-schoolbag will change everything. It is much lighter than a usual schoolbag. Also it is as small as a usuall book,but it can still hold all the things for students such as a textbook an exercise book and so on. It can be made into chips(芯片)that are as small as a stamp. The students can read the text page by page on the screen, take notes, or even send e-mails to their teachers. All they have to do is to put the right chip into the e-schoolbag and press a button. Some say that e-textbooks can be easily broken; some say it is not good for students eyes. But only time will tell. ( ) 5. An e-schoolbag is _ A. a video chip B. a small computer C. a heavy bag D. a usual book ( ) 6. E-schoolbags areused for _ A. fixing buttons B. making chips C. computer games D. school study ( )7. The underlined wordscreenmeans _ in Chinese. A. 显示屏 B. 键盘 C. 录象机 D. 幻灯机 ( ) 8. E-schoolbags _ A. are popular with all the people B. can do everything for students C. may be used instead 0f usual schoolbags D. have come into use in China 参考答案学案：预习题 (一) 1、remote control 2、look like 3、turn on the television 4、agree with sb. 5、word processing