1、Welcome to the unitUnit 3 Online toursnlanDo you want to travel to these places?Step one:Free talkHow can you travel there for free?ComicsWhen you are watching TV,if the programme is boring,you can use a remote control to change the channel.Step two:remote control n.遥控器More questions:1.Have Hobo and
2、 Eddie ever seen a computer?What does the computer look like in their eyes?No,they havent.They think it looks like a television.2.What does Eddie think the mouse is?He thinks the mouse is a remote control.Eddie and Hobo first see the computer.They dont know what it is.Hobo thinks it _ _ a _.And Eddi
3、e thinks the mouse is the _ _.They think the _ is boring.So they want to use the mouse to _ _ _.lookslikeTVremote controlprogrammechangechannelthe How well do you know a computer?Step three:presentationmain unit主机mouse鼠标screen 屏幕keyboard 键盘a computerExercises:1.A _ is used for typing information int
4、o the computer.2.A _ is used for moving the cursor(光标)on the screen.3.The _ is the heart of the computer.4.We can see words and pictures on the _.keyboardmousemain unitscreenMake an interview What do you usually use your computer for?watch/watching videosI use my computer to/forplay/playing gamessea
5、rch/searching for informationsend/sending and receive/receiving e-mailsdo/doing word processingchat/chatting with friendsWhat other things can we use computers for?Knowledge extentionlisten/listening to musicWe use computers to/fordo/doing some shoppingdraw/drawing and design/designingWe use compute
6、rs for1.watching videos.2.listening to music.3.playing games.4.chatting with friends.5.drawing and designing.6.searching for information.7.doing word processing.8.sending and receiving e-mails.9.doing some shopping.for funfor studyfor life1 What does Simon usually use the computer for?2 How often do
7、es Simon use it?He usually uses it to search forinformation.He uses his computer every day.Step 3:part BListen and answerDialogueA:What do you usually use your computer for?B:I usually use it toA:Why?B:Because it isA:How often do you use it to do so?B:I use my computer toevery day.A reporta useful t
8、oolThere are-FirstBesidesFor exampleMoreovermake a good use ofmake lives betterComputers may do harm to our eyesight.be harmful to our health.cause us to make bad friends.cost much money.make us give up our study.make us be interested in nothing else.make us break the lawsStep 5:Discussion:What problems?My advice:Dont be crazy about computer games!Dont sit in front of computers for a long time!Be sure to do more exerciseand live a healthy life!
