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1、Unit 3 Inventors and Inventions 教师寄语：You have to believe in yourself. Thats the secret of success. Charles Chaplin（美国演员卓别林）你必须相信自己，这是成功的关键。 教学内容与教学目的本文的主题是发明家以及发明，目的是让学生了解发明以及申请专利的过程语言知识目标1. Master the words and phrases2. Master the grammar-过去分词做定语3. Learn about the criteria of getting a patent4. Id
2、entify the steps of an invention语言技能目标1. 能够表述自己的观点和理由2. 掌握阅读技巧，锻炼阅读能力，获取有效信息3. 能够有条理的写出关于申请专利的文章情感目标Distinguish the difference between a discovery and an invention 培养学生的发明创造能力教学重点1. Identify the steps of an invention2. Master the language points教学难点Identify the steps of an invention教具pptTeaching pro
3、cedureStep one Warming up1. Brainstorm about the inventions Edison made.(用爱迪生和他的发明引出本课的内容发明家及其发明，同时锻炼学生的口语表达能力)2. Distinguish a discovery and an invention merely makes known something that already exist in nature, such as the discovery on the New Continent by Columbia. is something that created by h
4、uman being, such as the computer. （通过图片等来区分发现与发明，从而进入文章主体）Step two The comprehension of reading （分组展示讨论后的成果，主要锻炼学生的团队合作精神和理解课文的能力。学生讲解完后，教师可以适当补充） Skimming （group 1主要锻炼学生的归纳理解能力，学生在讲解时，可以采用提问等其他形式活跃课堂气氛）Divide the passage into several parts and match the main idea with each part.Part 1(para. ) the a
5、ttempts to catch the snakes Part 2(para. ) the requirements of getting a patentPart 3(para. ) the discovery of the problem of the snakesPart 4(para. ) the research on the approaches to solvethe problem Scanning （group 2学生给出答案，并且在文章中找出出处，主要锻炼学生把握细节的能力） Read the text again and choose the right answer
6、1. The purpose in writing this text isA. to show us how to trap the snakes but not to kill themB. to tell people how to apply for a patent of the writers new ideaC. to introduce the writers new idea of trapping the snakes and her application for a patentD. to tell the readers how to get a new idea a
7、nd make it a patent2. The biggest advantage of the writers new idea is that:A. it makes the snakes move slowlyB. it makes the snakes hardly bite usC. it is easier for us to kill the snakes without hurting ourselvesD. it is easier for us to catch the snakes without killing them3. What instruments wer
8、e used for catching the snakes?A. a bowl, ice-cubes, male perfumeB. a bowl, a bucket, female perfumeC. a small net, ice-cubes, a bucketD. a small net, a bucket, powders4. Which statement is true according to the text?A. The snakes were so sleepy in the second attempt that they couldnt bite the write
9、r at all.B. Your product must be different from everybody elses if you want to receive a patent.C. The writer decided to send her invention to the patent office the moment she succeeded in catching the snakes.D. If an application for your product proves to be valid, you can get a patent immediately.
10、5. What are the three creative steps that the writer takes to catch the snakes without hurting them? Choose the right order.1) to put the frozen bowl over the snakes habitat in the evening.2) to put the frozen bowl over the snakes habitat in the morning.3) to put the frozen bowl over the snakes habi
11、t in the evening and carry a net to collect the snakes without harming them the next morning.A. 123 B. 213 C. 312 D. 3216. According to the text, which subject do you think can be given a patent?A. A new star discovered by a scientist.B. A new novel written by Huo Da.C. A new way to make dirty water
12、 clean.D. A new kind of grass found in a mountain which can be used as a medicine. Careful reading （group 3 完成表格，让学生可以对整个文章有个更深层的理解，从整体和部分上都会帮助学生理解课文内容。）Read the text carefully and fill in the blanks about the stages in making an invention.ParaStages in the inventing processExample in this story1The
13、 snakes must be removed but not Do researchLook for of removal; the of snakes3Identify possible approaches； choose oneTest the solution several times Try times to make it work efficiently 7This means the solution is recognizedStep three Language points1. Phrases (group 4可以采用多种形式让学生当堂掌握）1） 给某人打电话 5）偶
14、尔，有时 2） 开始；着手 6）决定 3） 表现自己 7）摆脱，去除 4） 期待；指望 8）小心翼翼地 2. The Past Participle used as the attributive过去分词作定语（group 5 学生讲解语言点后，教师可以根据学生们的理解情况进行补充讲解和练习）1) 过去分词作定语，表达 和 的含义, 单独的一个过去分词做定语一般放在被修饰的名词之 ，分词短语则要置于被修饰的名词之 。I placed the frozen bowl over the snakes habitat and the ice改写为 The next morning I carried
15、 in my hand a small net used for catching fish. 改写为 2）走进高考 （学生做题目时，可以通过改写过去分词的用法帮助学生理解） For breakfast he only drinks juice from fresh fruit on his own farm.(2009北京高考，24)A. grown B. being grown C. to be grown D. to grow With the governments aid, those by the earthquake have moved to the new settlemen
16、ts. (2009上海高考，33)A. affect B. affecting C. affected D. were affected Now that weve discussed our problem, are people happy with the decisions ?(2009琼宁高考，35)A. taking B. take C. taken D. to take Ladies and gentlemen, please remain until the plane has come to a complete stop.(2009四川高考，4)A. seated B. seating C. to seat D. seatStep three Discussion （小组讨论，由各组派出代表展示讨论成果，教师来评定学生表现）Discuss with your partner how to get a patent and what the advantages might be of getting a patent. And make a dialogue. Step four HomeworkWrite down your opinion in about 120 words.课堂反思： 由学生自我总结，教师补充。
