Unit 3 Online tours.(Welcome)课件

课件25张PPT。Unit3 Online tours
Welcome to the unit!travel around the world onlineLearning about computersscreenmain unitkeyboardmousescreen n. 屏幕，显示器Let's learn some new words.keyboard n. 键盘mouse n. (pl. mice或mouses) 鼠标main unit
n. (电脑)主机programme
n. 节目; 计划，
方案channel n. 频道remote control
n. 遥控器screen
keyboard
unit
main unit
mouse
programme
channel
remote control 屏幕，显示器键盘机件; 单位主机鼠标节目频道遥控器Let's read!chat with friendsWhat do you use a computer for?search for informationWhat do you use a computer for?do word processingWhat do you use a computer for?send and receive emailsWhat do you use a computer for?watch videosWhat do you use a computer for?play gamesWhat do you use a computer for?Make up a dialogue 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: …Listen and answer.What does Simon usually use his computer for? Why?He usually uses it to search for information. Because it’s fast and easy.Have you used this before,
Eddie?No, never.It looks like a TV.I agree.Look, this programme began an hour ago. It’s boring.Right. Where’s the remote control?Ah, here it is. Let’s change the channel.What do Eddie and Hobo think the computer look like?
Do you know what “the remote control” really is?Listen and answer the questions.They think it looks like a TV.It is a mouse.HomeworkTo talk about different uses of
computers in pairs.