八年级英语Module4Unit1教学案

崇雅中学英语教学案（八年级）课题：Module 4 Unit1 If you want to record, press the red button. 课型：listening and vocabulary 班级： 学生姓名： 使用时间：2011年 3月 14 日 学习目标：掌握本课词汇，句型和语法。能理解简单的科技产品说明书，能用带有if 的条件状语从句简单说明操作步骤。学习重点：1. 词汇：press ,button, instruction, video, video camera,play back ,memory ,turn on, symbol lend ,recorder, second, playback, come on, lady, gentleman2. 句型： if的条件状语从句+祈使句,如：If you want to turn on the recorder,press the blue button.If you want to play back,press the green button.学习难点： if的条件状语从句+祈使句中考链接：lend sb. sth.=lend sth. to sb 把某物借给某人；borrow sth.from sb.向某人借某物； Connectto/with把连接到学习过程一 课前预习1. 预习生词和unit 1。2. .翻译打开录音机 _;看说明书 ；按蓝键 want to play back _ connect to 等候30秒 _ _ 通过邮件发送录音 ， 借给我他的CD录音机 ；（机器）开动；赶快_ _ ; ladies and gentlemen_ ； 二：新课教学（一.）复习：一些新科技产品：如电脑 ；照相机 ；手机 ；Mp3; 冰箱 ；火箭 ；飞机 ；小汽车 ；录音机 （二）.句型操练：(A)If you want to listen to music, choose_.If you want to call others, choose_. If you want to keep the food fresh, choose_.If you want to take photos, choose_.If you want to play games, choose_.If you want to listen to the tapes, choose_.(B) 1、If you want to hang up（挂电话 ）,press the red button2、If you want to take a phone, press the green button. 3、If you want to take a photo , press the blue button.4、If you want to take a video（录像）, press the blue button. （C）1.If you want to turn on the tape recorder,press the _button.2.If you want to play back the tape recorder,press the_ button.3.If you want to pause the tape recorder, press the _button.4.If you want to turn off the tape recorder, press the _ button.三：.Language points（一）、这些句子称为带有“if”的条件状语从句。表示“如果,就”1. If 从句的构成：If从句祈使句例: If you want to turn on the recorder, press the blue button.从句 主句If you want to record, press the red button.从句 主句2. If 从句的位置：if从句可以放在主句之前也可以放在主句之后。例：If you like it, print the photo.从句 主句Print the photo if you like it.主句 从句 if引导的条件状语从句是一个完整的句子, 一定要有主语和谓语。e.g. If the light isnt on, wait a minute。 if引导的条件状语从句的位置灵活, 可以放在主句前, 也可以放在主句后。e.g. A. If it is sunny next Sunday, wash the car. B. Tell him about it if he comes back. if 引导的条件状语从句中，常用一般现在时表示将来。e.g. If it doesnt rain tomorrow, come to my home.【运用】请选择最佳答案。( )1. If it _ sunny tomorrow, I _ fishing in South Lake. A. is; go B. will be; go C. is; will go D. will be; will go ( )2. What will you do if it _ tomorrow? Ill stay at home and watch the match onTV. A. rain B. rains C. will rain D. is raining （二）、 Chen Huan wants a recording for his programme. for: 为了, 表示目的for 还有其他含义，如：I have known him for 3 years. 表示时间长短 Thank you for helping me. 因为Its important for him to study hard. 对于 I walked for 300 miles. 表示距离（三）、borrow, lend & keep borrow和lend词义相反。borrow意为“借入”, 常见搭配是borrow sth. from sb.。lend意为“借出”, 常见搭配是lend sth. to sb. 或lend sb. sth.。若表达长时间的“借”, 则要用延续性动词keep, 不能用borrow或lend, 因为两者属于短暂性动词。e.g. How long can I keep the book? 这本书我能借多长时间？You can keep it for a week. 你可以借一个星期。【运用】根据提示完成句子，每空一词。1. 你可以从图书馆借到这本字典。You can _ this dictionary _ the library. 2. 你能把你的车借给我吗? Could you _ your car_ _? 3. 这本书我已经借了一个月了。 I _ _ this book for one month. （四）、If the red light doesnt come on, wait for thirty seconds. come on (灯或机器)打开, 开动 come on还有很多种意思：e.g. Come on, children, or well be late! 快点; 赶紧; 赶快Come on. It isnt the end of the world. 加油做; 振作起来 How has he come on recently? 进步；进展（五）、 connect to 把连接到e.g. Please connect the mouse to the computer. 请把鼠标和电脑连接起来。 （三）活学现用,翻译以下句子。1、He lend me his CD recorder. lend sb. sth或 lend sth to sb. 把某物借给某人例如：谢谢你把钢笔借给我。 Thank you for _. 或者Thank you for _.2、How do you save your video? save在句中意为“保存，贮存”例如：我想保存我的录音。_.3、If you want to turn on the recorder ,press the blue button . turn on 打开请帮我打开电视_.4、If the red light doesnt come on ,wait for thirty seconds, wait for 等候他们正在等车_.5、If there is no green light ,choose the“copy”symbol. choose 选择 ，选定(chose chosen)他为我选了一个大苹果。_. copy 复制， 复印。抄别人的作业是不对的。_. symbol 符号，记号，象征如果你想保存你的文章，选择保存符号。_.6、If you want to send your recording ,connect the recorder to your computer.connect to 连接到我想把我的手机连接到电脑上。 . 四、基础过关（一）请根据句意及括号内所给汉语提示写出所缺单词。1. Could you please _ (按) the button for me?2. If you want to know how to use the recorder, please read the _ (说明) first.3. Vivian sent me some _ (录像) by email just now.4. There are sixty _(秒) in a minute.5. Finally, he _ (借出) his camera to me.（二）请选择适当的词语填空, 有的需要变换形式。come on, gentleman, turn on, copy, memory1. Grandpa asked me to _ the radio because he wanted to listen to some latest news.2. Its wrong for you to _ Lilys homework.3. Tim has got a great _. He can remember the words easily.4. Ladies and _, please welcome our great singer, Sally!5. Im going to have a concert tonight in the Peoples Hall. _!You are the best singer. （三）根据中文意思完成句子。1. 如果你想打开录音机，按蓝色的键。If you _ on the recorder, press the blue button.2. 如果你想重播的话，按绿色的键。If you want to play back, _ button.3. 如果绿灯不亮， 选择复制符号。If theres no green light, choose the symbol.4. 如果红色的灯不亮的话，等30秒钟。_ thirty seconds_ the red light doesnt come on, 5. 如果你想通过邮件发信息，就把手机和电脑连接起来。If you want to send your recording by email,_ the recorder to your computer.（四）完成句子. 根据中文提示完成句子，将所缺少的内容写在相应的横线上。1. 如果绿灯还没亮，就等一会儿。 If the green light isnt on, .2. 如果明天天气好的话，我想香山去爬山。 tomorrow, I will go to Xiangshan to climb the mountain . 3. 快点，否则你上学要迟到了。Come on! for school.4. 如果你不知道如何使用这部手机，别着急。 If you dont know how to use the mobile phone, .5. 关闭电脑之前别忘了保存你的文件。 your document before you turn off the computer.6如果没有灯,就用手电筒吧。 , use the torch.（五） 提升 选择正确答案( )1. Excuse me, can I your dictionary? I left mine at home. A. lend B. borrow C. bring D. buy( ) 2. “Dont forget to the lights when you leave home,” my mother always tells