Unit3 Online toursUnit3 Online tours Welcome to the unit!Welcome to the unit!travel around travel around the world onlinethe world onlineStudying Aims:1. To name the different parts of a computer.2. To grasp and talk about the basic uses of computers.3. To know the main topic of this unit.Remember the new words.Guide Onescreenkeyboardunitmain unitmouseprogrammechannelremote control 屏幕，显示器屏幕，显示器键盘键盘机件机件; 单位单位主机主机鼠标鼠标节目节目频道频道遥控器遥控器What do you usually do when you are free?Annie, Simons cousin, wants to learn about the different parts of a computer. Look at the picture below and help her write the correct answers in the boxes. keyboard main unit mouse screenmain unit主机主机mouse鼠鼠标标screen 屏幕屏幕keyboard 键盘键盘a computerWhat else can we do with a computer? Guide TwoLearn more about computers do word processing 文字处理文字处理What do you usually use your computer for?I usually use it to send and receive emails 收发电子邮件收发电子邮件What do you usually use your computer for?I usually use it to watch programmes or videos 观看节目观看节目What do you usually use your computer for?I usually use it to search for information 搜寻信息搜寻信息 What do you usually use your computer for?I usually use it to chat with friends 和朋友聊天和朋友聊天What do you usually use your computer for?I usually use it to play games 玩游戏玩游戏What do you usually use your computer for?I usually use it to Listen and answer.Simon and Daniel are talking about the different uses of computers. listen and answer questions.1.What does Simon usually use his computer for? 2.Why?3.How often does he use his computer?He usually uses his computer to search for information.Because its fast and easy.Almost every day.Work in pairs and ask each other what you use a computer for. The ideas in the box may help you. Use the conversation below as a model.chat with friends do word processingplay games search for informationSend and receive emails watch videosA: What do you usually use your computer for?B: I usually use it to.A: Why?B: Because .A: How often do you use your computer for this?B: .Do Eddie and Hobo know well about computers?What do Eddie and Hobo think the computer look like?What do they think the mouse is?What do they use the mouse to do?Listen and answer the questions.They think it looks like a TV.They think it is a remote control.They want to use it to change the channel.Do Eddie and Hobo know well about computers?No. they dont.Read and act out the dialogue.Fill in the blanksHobo and Eddie know _ about computers. Hobo thinks the computer _ _ a television. Eddie _ with Hobo and he thinks the mouse is the _ _. They want to use the mouse to _ _ _ because the programme _ an hour ago. nothing looks like remote control change the channel agrees began1.看起来像看起来像2.遥控器遥控器3.换频道换频道4.了解电脑了解电脑5.（电脑）主机（电脑）主机6.与朋友聊天与朋友聊天7.做文字处理做文字处理8.搜索信息搜索信息9.收发电子邮件收发电子邮件10.观看视频观看视频11.用用做做1. look like2. the remote control3. change the channel4. learn about computers5. main unit6. chat with friends 7. do word processing 8. search for information 9. send and receive emails 10. watch videos 11. usefor.用所用所给词给词的适当形式填空。的适当形式填空。1. Daniel keeps two white _ (mouse) as pets.2. I _ (receive) an email from my cousin two days ago.3. I _ (see) this movie before.micereceivedhave seen4. They used a knife _ (open) the door.5. This old man can use a computer _ (do) word processing.6. I dont like watching football games. Lets _ (change) a channel.to dochangeto open1. Read the text book and learn the new words and phrases by heart.2. Do the exercises in the workbook.