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Unit 3 Online tours Period 1 Welcome to the Unit 1.学习目标 2.自主学习 3.重点探究 4.拓展提升 5.当堂检测 6.课堂总结 学习导航 新课导入 How well do you know about a computer? Free Talk 学习目标 1.能熟悉并正确运用本课时的重点单词和短语 O 2.能了解电脑的不同组成部分。 3.能用英语谈论电脑的不同用途。 adj. 联网的,在线的 n. <英>节目;计划,方案 =<美>program excl.(表示惊奇、高兴等)啊 n. 频道 n. 键盘 n. 机件;单位 n.(pl.mice 或mouses)鼠标 online programme ah channel keyboard unit mouse 自主学习 New words New words Screen receive New phrases remote control main unit word processing n.显示屏,屏幕 vt.收到,接到 遥控器 n.(电脑)主机 n. 文字处理 keyboard 键盘 mouse 鼠标 What is a computer made up of? 重点探究 CD-ROM drive 光驱 speaker扬声器 headphone 耳机 CPU 中央处理器 A.Annie,Simon's 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 Screen 3 keyboard 4 1 2 main SCreen unit moUse Computers are useful in our daily life and they've changed the world. Can you tell us the different uses of computers? Free lalk 1.What does Simon usually use his computer for? He usually uses his computer to search for information. 2.Why? Because it's fast and easy. 3.How often does he use his computer? Almost every day B.Simon and Daniel are talking about the different uses of computers.Listen to the tape and answer the questions Daniel:What do you usually use your computer for? Simon:I usually use it to search for information. Daniel:Why? Simon:Because it's fast and easy. Daniel:How often do you use your computer for this? Simon:Almost every day. Role-play Let's see which pair does the best. 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:... B.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 play games send and receive emails do word processing search for information watch videos Eddie and Hobo are talking about computers.Let's see what they know about computers. Look,this programme began an hour ago.It's boring. Right.Where's the remote control? No,they don't. 2.What do Eddie and Hobo think the computer looks like? They think it looks like a TV. 3.What do they think the mouse is? They think it is a remote control. 4.What do they want to use the mouse to do? They want to use it to change the channel. Read and answer the questions. 1.Do Eddie and Hobo know well about computers? Role Play Language Points 1.It looks like a TV. look like“看起来像” like是介词,意为“像…....,如......一样”, 后接名词或代词作宾语。 e.g.Her new glasses make her look like an owl. 她的新眼镜让她看上去像只猫头鹰。 拓展提升 2.send and receive emails receive vt.收到,接到 e.g.I have just received his letter. 我刚刚收到他的来信。 知识拓展: receive VS accept accept用作动词,意为“接受”,指经过考虑,由主观 意志来决定接受,动作者本身是主动的。 receive 也是作 动词,意为“接到”,指收到某物这一动作,本身有 一定的被动性,不包含本身是否愿意接受的意思。 e.g.I received an invitation to the party yesterday,but I refused to accept it. 昨天我接到一份参加晚会的邀请,但我拒绝了接受。 3. What do you usually use your computer for? What...for?用于询问做某事的目的, what作介词 for 的 宾 语 。 e.g.What do you need so much money for? 你要这么多钱干什么? 1.A keyboard is used for typing(打字;键入)information into computer. 2.A mouse is used for moving the cursor(光标)on the screen. 3.The main unit is the heart of the computer. 4.We can see words and pictures on the screen . keyboard main unit mouse Screen 当堂检测 一 、选词填空。 二 、改写句子。 1.Miss Xu goes shopping once a week. (对划线部分提问) How often does Miss Xu go shopping? 2.They usually use chalk to draw pictures. ( 同 上 ) What do they usually use chalk for ? 3.The computer looks like a TV. ( 同 上 ) What does the computer look like ? 4.This programme began an hour ago. (改为同义句) This programme has been on for an hour. 电脑的组成部分及用途: 主机main unit 键盘 keyboard 鼠标 mouse 显示屏screen 搜索信息 search for information 做文字处理do word processing online,programme,ah,channel,keyboard, unit,mouse,screen,receive,remote control, main unit,word processing 重点单词和短语: 课堂总结 $$