1、Unit3 Online tours Welcome to the unit!travel around the 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 unitmouseprogrammechann

2、elremote control 屏幕，顯示器鍵盤機(jī)件; 單位主機(jī)鼠標(biāo)節(jié)目頻道遙控器Lets read!What do you usually do when you are free?Free talkAnnie, 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. Learning about computerskeyboard main uni

3、t mouse screenmain unit主機(jī)mouse鼠標(biāo)screen 屏幕keyboard 鍵盤a computerWhat else can we do with a computer? Guide TwoLearn more about computers do word processing 文字處理What do you usually use your computer for?I usually use it to send and receive emails 收發(fā)電子郵件What do you usually use your computer for?I usuall

4、y use it to watch programmes or videos 觀看節(jié)目What do you usually use your computer for?I usually use it to search for information 搜尋信息 What do you usually use your computer for?I usually use it to chat with friends 和朋友聊天What do you usually use your computer for?I usually use it to play games 玩游戲What d

5、o 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

6、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 videosG

7、uide ThreeLets practice!A: 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: .Guide FourLets think!Do Eddie and Hobo know well about computers?What do Eddie and Hobo think the computer look like?What do they think th

8、e 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 Edd

9、ie 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 beganRead the dialogue and act it out!看起來像遙

10、控器換頻道了解電腦（電腦）主機(jī)與朋友聊天做文字處理搜索信息收發(fā)電子郵件觀看視頻用做 look like the remote control change the channel learn about computers main unit chat with friends do word processing search for information send and receive emails watch videos usefor.Practice用所給詞的適當(dāng)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 seenRevision4. They used a knife _ (open) the door.5. This old man can use a computer _ (do) word processing.6. I dont like watching fo