中国英语教师网资源 www.enteacher.cn Unit 3 Inventors and inventions教学设计I 单元教学目标TopicsInventions;patent applications;great inventorsGoalsTalk about inventors and inventionsLearn about the stages used in scientific researchLearn to use the past participle as the attributeWrite a letter asking for a jobII 目标语言功能句式（Making a telephone call）Hold the line, please.Hang on, please.Just a moment, please.Im sorry, but this phone is out of order.I cant get through. Sorry.He / She isnt here right now.Can I ring back later?Ill ring him / her up again.I must ring off now because 词汇1. 四会词汇discovery, patent, distinguish, product, power, perfume, cube, abrupt, abruptly, convenient, expectation, monitor, passive, criterion, valid, application, file, committee, bear, jam, mess, forehead, dot, tap, wire, straw, current, importance, helicopter, triangle, stable, practical, refrigerator, court, version2. 认读词汇amphibious, Stephenson, George Stephenson, jelly, freezer, overnight, release, recognition, claim, rod, precede, Alexander Graham Bell, microphone, occasionally, multiple, Morse code, inspiration, reproduce, tetrahedron, invaluable, James Dyson3. 词组call up, now and then, set about, in case, traffic jam, beaten track, dive into, set out (to do), in truth, hang on, out of order, get through, ring back, ring off4重点词汇discovery, convenient, distinguish, application, expectation, importance, practical, bear重 点 句 子1. The first thing I tried to do was to see if there were products that might help me, but there only seemed to be powders designed to kill snakes. P202. Between the outside and inside walls of the bowl there is some jelly, which freezes hard when cooled. P203. The criteria are so strict that it is difficult for new ideas to be accepted unless they are truly novel. P214. Nor will you receive a patent until a search has been made to find out that your product really is different from everybody elses. P215. He found that by pressing his lips against his mothers forehead, he could make the bones move in such a way that she could understand what he was saying. P256. He designed a machine that would separate different sound waves and allow different conversations to be held at the same time. P257. Although he will always be known for his invention of the telephone, he was in truth a continuing searcher after practical solutions to improve the quality of everybodys life. P26III. 教材分析与教材重组1. 教材分析本单元以Inventors and inventions为话题，旨在通过单元教学，使学生能了解发明和发现的区别，了解发明创造的过程和获得专利的条件，学习发明家的成功事例；能灵活运用基础句型描述中外古代和现代发明，谈论不同发明的优缺点及其现实意义；根据不同问题及条件设计、改进发明并阐述自己的观点；能写出一封有创新的求职申请，阐述自己的特长和优势，能对别人的发明、创造或观点提出意见或建议；并能运用所学知识利用现实生活中有限材料进行发明创造。1.1 Warming Up 提供了三幅不同发明或发现的图片，让学生运用已有的知识和经验，区分发明和发现的不同含义；并能与同伴合作描述现代发明在现实生活中的作用。1.2Pre-Reading要求学生将课本所列关于进行科学研究或发明创造所必须经历的几个阶段(步骤或过程)进行正确的排序。了解每一项发明在得到社会承认前都必须经历一个过程。1.3READING是一篇记叙性的文章。作者在文中详细介绍了从发现问题(snake trouble)、分析问题(products that might help)到解决问题(remove the snakes)的全过程，并介绍了专利申请方面的一些知识。1.4Comprehending第一个训练题要求学生根据课文内容回答问题；第二个训练要求学生运用科学步骤设计一项发明解决课本所提供的三个问题，并与同学交流观点。第三个训练题要求学生通过进行角色表演活动，学会对某一发明做出评价并确定其能束获得专利。1.5Learning about Language 分两部分。第一部分要求学生利用填空、改写句子的方式复习所学词汇及表达法。第二部分重点练习过去分词作定语的用法。1.6 Using Language分成四部分。第一部分Reading要求学生阅读一篇介绍发明家Alexander Graham Bell的文章并回答有关问题，了解电话发明者贝尔的发明及其成功的原因。第二部分Listening and Speaking是一段关于Zhou Rui对一家发明公司的工程师进行电话采访的听力材料。要求学生掌握电话交谈常用表达；并在此基础上进行角色扮演活动，即求职者与公司考核人员之间的电话交谈。第三部分Writing要求学生写一封求职信，列举自己的优势、特长和工作经历向这家发明公司提出求职申请。分课时教案The First Period SpeakingTeaching goals 教学目标1. Target language ：discovery, application, evaluate, presentation, alternative, messenger, get together, make a case for, add up2. Ability goals Enable the students to talk about information and different.3. Learning ability goals Help the students learn how to talk about inventions and discoveries.Teaching important & difficult points How to talk about inventions and discoveries.Teaching methods Discussion.Teaching aids A computer and a projector.Teaching procedures & ways Step I Warming upTalk about inventions and discoveries.T: The importance of inventions to social progress can never be changed. Each invention carries the world a step forward and provides stimulation for later ones. Whit inventions turning up all the time, our world is always taking on a new look. But do you know what an invention is?S1: The creation of something newS2: A creation (a new device or process) resulting from study and experimentation.S3: The creation of new things.Ask the students to talk about the pictures with the teachers help, and then discuss the first two questions.T: And what is a discovery? Whats the difference between a discovery and an invention? Now look at the pictures on page 1. Work in pairs and talk about the three different things, telling them apart and giving reasons.Show the following.1. Which o these pictures show inventions? Does an