2015-2016学年 选修8 Unit 3 Period 1 Reading.pptx

1、Reading 1.通过任务型阅读，培养学生的阅读能力和通过任务型阅读，培养学生的阅读能力和 概括能力。概括能力。 2. 教学生热爱发明，勇于思索和探究。教学生热爱发明，勇于思索和探究。 本节课以Inventors and inventions为话题，让学生了解发明 和发现的区别，学习发明家的成功事例。Warming Up 提供了 一些科学家及其发明创造的图片，直接导入文章主题。 Reading部分，主要是让学生从整体上去把握文章结构:了解发 现问题（snake trouble）、分析问题（products that might help） 到解决问题（remove the snakes）的全

2、过程，并介绍了专利申 请方面的一些知识。 通过快速阅读和细节阅读，既让学生从整体上理解全文， 又让学生从细节上深层次加深对文章重点和难点把握。设计 问题分层进行,使得不同层次的学生都有话说,这样既能够培养 学生阅读思维能力，又能提高学生口语表达能力，课堂效果 明显提高。 2.Guess what the invention is or who the inventor is. 1.Do you know any inventors and inventions? let us appreciate a video to know some folk inventions in china. 因

3、您的存在而有力发明创造中国梦 Zhang Heng seismograph invented Why is he famous? Cai Lun papermaking Why is he famous? Thomas Edison invented the electric bulb. Why is he famous? Ben Franklin Lightning is electricity discovered Why is he famous? radium Madame Curie discovered Why is he famous? the New Continent Col

4、umbus Please tell whether the following are discoveries or inventions. Its _ a discovery. An amphibious car Its _ 水陆两用汽车 an invention. Its _ Stephensons “Rocket” an invention. DNA Its _ a discovery. A discovery is something existing in nature but not yet _. An invention is something_ by human beings

5、. known created Difference between a discovery and an invention Discoveries often _ _inventions. Inventions _often_ _ discoveries. lead to are based on Connection between discoveries and inventions？ Do you know the stages every inventor must go through before inventing? Applying for a patent Finding

6、 a problem Doing research Testing the solution Thinking of a creative solution Deciding on the invention 1._ 2._ 3._ 4._ 5._ 6._ stages every inventor must go through: Look at the pictures, what inventions can you think of? The Problem Of The Snakes 1.Skim the whole passage and get the main idea: Su

7、mmary : The text narrates _ and presents _ and applying for _. the problem of the snakes the procedures of catching them a patent Part 1 (Para1) A. The attempts to catch snakes. Part 2(Para2-3) B. The requirement of getting a patent. Part3(Para4-6) C. The discovery of the problem of the snakes. Part

8、 4(Para7-8) D. The research on the approaches to solve the problem. E. The importance of inventing. 2.Match each part with its main idea 1.What kind of writing style is the passage ? _. A. narrative(记叙文) B. argumentative(议论文) C. explanatory(说明文) D. imaginary(想象的) Read the text again and choose the r

9、ight answer 2. The biggest advantage of the writers new idea is that: A. it makes the snakes move slowly B. it makes the snakes hardly bite us C. it is easier for us to kill the snakes without hurting ourselves D. it is easier for us to catch the snakes without killing them Para.Para. Stages Stages

10、Examples in this storyExamples in this story Find a problem The snake must be caught but not_. Do research Research the _ of snakes. Think of a creative solution Identify three possible approaches and choose_. Test the solution several times Try_ times to make it work successfully. Apply for a paten

11、t This means the solution is _. harmed habits 1 2 4,5,6 7,8 3 three recognized one Fill in this form: Imagine you are a designer (D) for something new (cell phone, robot)and it sells well. Hearing this, a reporter (R) comes to interview you about it. Your conversation can be based on its functions(功能). Sentence patterns: 1.Firstly, it can be used to do 2.Secondly, it will helpif I 3.What is more, it can also You can begin your conversation like this: R(reporter):Your looks D(designer): 1.Revise the text again at home. 2.Exercises 2.3 on Page 24