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1、Unit 3 Inventors and inventionsPeriod 1 Warming-up, Pre-reading and Reading一、 学习目标1. 通过“热身”部分，引导学生定义discovery和invention，并为阅读做准备。2. 运用好略读、细读、归纳内容等阅读技巧，理解课文。3. 初步掌握该课时中出现的重点单词、词组和句型。二阅读重难点重点：（1）通过阅读文章“蛇的问题”，让学生了解一项发明到认可所必须通过的六个程序和如何申请专利；激励学生开动脑筋，发挥想象力和创造力去发明解决生活之中可能遇到的问题；学会归纳段落大意，理解细节信息。（2）了解下列重点单词和短语
2、：criterion；freezing；powder；stable；practical；practical；distinguished；convenience；expectation； patent; called up; now and then; abruptly; with great caution; patent.难点：（1）训练概括文章主题和理解细节的阅读能力。（2）理解文中重点句型。三、课前预习 . 翻译下列单词或短语 1.专利权，专利证书_2.院子，庭院，天井_3.辨别，显示的差别_4.宽大的，仁慈的，慈悲的_5.产品_6.粉末，火药_7.香水，香味_8.无锈的，没有污点的_9
3、.立方，立方体，立方的_10.突然地，唐突地_11.便利的，方便的，就近的_12.小心，谨慎_13.预料，期待，期望_14.被动的，消极的_15.高兴地，愉快地_16.抓住，捉住，夺_17.标准，尺度_18.有效的_19.提交，将归档_20.给打电话_21开始，着手_. 阅读表达 （根据课文内容，回答下列问题）1. What was the mother upset about?2. Why was the writer happy to help her mother?3. What are the three creative steps that the writer takes to
4、catch the snakes without hurting them?4. Why did cooling make the snakes less active?四、阅读任务Task 1: Warming up& pre-reading (P19)(1) In groups, discuss the inventions you know and then make a list.(2) Do you know what these inventions are and when did they happen?(3) Among the inventions above, which
5、 invention do you think is the most important one? Why?(4) What is an invention?(5) What is a discovery?(6) Do you know the stages every inventor must go through before they can have their invention approved? Here give you some similar stages used in research, please work them out in the suitable or
6、der.Task 2: Skimming: Skim the whole passage and get the main idea The text narrates _ and presents _and applying for _.Task 3: ScanningRead the following passage and find out which paragraph or paragraphs deal with each inventing process in the passage and find the examples:Para. _ : Find a problem
7、.Para. _ : Do research.Para. _ : Think of a creative solution.Para. _ : Test the solution several times.Para. _ : Apply for a patent.Task 4: Comprehending1. The purpose in writing this text is_.A. to show us how to trap the snakes but not to kill themB. to tell people how to apply for a patent of th
8、e 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 and 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 bit
9、e 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 were used for catching the snakes?A. a bowl, ice-cubes, male perfume.B. a bowl, a bucket, female perfume.C. a small net, ice-cubes, a bucket.D. a
10、small net, a bucket, powders.4. Which statement is true according to the text?A. The snakes were so sleepy in the second attempt that they couldnt bite the writer 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
11、 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.5. 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 b
12、y Huo Da.C. A new way to make dirty water clean.D. A new kind of grass found in a mountain which can be used as a medicine.Task 5: Discussion: 1. Whats the writing purpose of the writer?2. What should we learn from this text?五. 自主探究（一）难句分析：1.原句The first thing I did was to see if there were any produ
13、cts that might help me, but there only seemed to be powders that were designed to kill snakes. （P20）= At first, I tried to find some products that might be helpful to me, but it seemed that there were only powders that were designed to kill snakes.分析这是一个并列复合句。其结构为：并列分句1（The first thing I did was to
14、see if there were any products that might help me）+连词 +并列分句2（there only seemed to be powders that were designed to kill snakes.）。并列分句1中包含一个_从句（if there were any products that might help me）和两个 从句（I did和that might help me）；I did修饰The first thing；that might help me修饰products。并列分句2中包含一个 从句，that were designed to kill snakes修饰powders。
