1Unit 3 Online travel Period 1 Welcome to the Unit +Comic strip知识目标A.了解本单元的主题是电脑。B.根据图片猜测意思。能力目标A.了解并谈论电脑的基本用途。重点四会内容1. 词汇：online, television, program2. 词组：look like, turn on, search for information, send and receive e-mails, computer programs3. 句型：I have no idea！What do you usually use your computer for?难点三会内容1. 词汇：remote control, channel教学方法 讲授法教学过程Step1 Group work and presentation.I. 跟录音熟读对话部分，并表演对话。II小组讨论，总结应该掌握的语言知识点。Step2 Discussions and presentation.1 What do your teachers use the computer for?2 What do you friends use the computer for?3 What do the scientists use the computer for?4 What do your parents use the computer for?Step3 Make up a dialogueA: 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?B: I use my computer to【预习指导】一、预习练习 ：I请思考以下问题，并根据实际情况回答。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?II.预习本课内容，尝试写出下列单词、短语。1.不知道 2.打开 3.遥控器 4.换频道 5.文字处理 6 绘画和设计 27.收发 电子邮件 8.编写电脑程序 9.搜索信息 10.用某物来做某事 .根据提示完成句子。1. Did you see the boat race on _(电视)？2.This programme is boring. Let me change the _(频道)。3.We can use the computers to send and _(接受) e-mails.4.My cousin is good at designing computer _(程序)。二、重点句型：1.I have no idea！=I dont know！我不知道。have no idea 后面可以接 of 短语或从句。Look, the TV is turned on now.电视现在被打开了。turn on / turn off/ turn down/ turn up打开/关闭/调低/调高（电器）例：打开电灯 打开它 2.-What do you usually use your computer for?= What do you usually use your computer to do?你通常用电脑来干什么？-I usually use it to search for information.= -I usually use it for searching for information.我通常用它来搜寻信息。u se sth. to do介词 to 表目的。也可以用 usefor sth./doing sth.search for sth 搜查以便找到某物,后面跟的是你要找的东西search sth 搜查某物 后面跟的是你要搜查的对象 search sb/sp for sth 搜某人的身找什么什么东西sb是你搜身的人/地点 sth 是你想从那人身上搜出来的东西练一练：-What does Millie usually use her mobile phone ?-She usually use it call her friends