《Inventors and inventions》ppt34（3份打包）
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Inventors and inventions
【教学设计】Inventorsandinventions-Theproblemofthesanke.doc
【教学课件】Inventorsandinventions-Theproblemsofthesnakes.ppt
【评测练习】Inventorsandinventions-Theproblemofthesanke.doc
1.Knowledge goals
(1).Enable the students to make clear the difference between a discovery and an invention.
(2).Enable the students to identify and wort the steps that should be followed by any inventor.
(3).Enable the students to know about how to apply for a patent.
2. Ability goals
(1).Ss will further improve their ability to summarize the main idea of each paragraph, and also the main idea of the passage
(2).Ss can improve the students’ reading skill and will further improve their ability to generalize the detailed information from the text to answer questions.
3. Moral goals
(1).Ss will have the awareness of the importance of invention.
(2).Ss will get a deeper understanding of applying for a patent and develop the awareness of the importance of cooperation.
教学过程设计
步骤1：StepI : Leading-in 创设情景 导入新课
Give students the two words “discovery” and “invention”, and ask the students know the difference between them?
Let the students enjoy some pictures, and asdents to tell the difference about the two words “discovery” and “invention”.Ask the students to give a defintion about the two words.
A discovery is _______________ something existing but not yet known.
An invention is ______________ something not existing before.
设计意图：任务型活动：通过两个单词的区分获得发明的基本概念。同时通过预测发明的基本过程带着问题去阅读更有兴趣。既锻炼了学生的动手收集材料的能力，又激发了参与学习过程的热情和竞争意识。
步骤2：Step II Pre—reading Word hunting预习检测 把握学情
The students have previewed the impotant words and phrases in this unit. First, deal with some important word and phrases in the passage. Find a proper word to complete the sentences with the help of the initial letter and the explanation the end.
设计意图：让学生充分理解单词和词组的在本文的确切意思，为下一步阅读理解文章进一步扫清障碍。
步骤3：Step III While—reading
I: Skimming 略读文章 理解大意
Read the text quickly to get the main idea of it and the meaning fo each part.
1.The purpose in writing this text is_____ .(主旨大意)
A.to show us how to trap the snat not to kill them
B.to tell people how to apply for a patent of the writer’s new idea
C.to introduce the writer’s new idea of trapping the snakes and her application for a patent
D.to tell the readers how to get a new idea and make it a patent
2. Divide th text into five parts and wort the main idea for each part. （合作探究，形成概念，找出每部分的主题）
Part I (Para.1)
The research on the snakes to catch them
Part II (Para2)
The attempts to catch the snakes.
Part III (Para.3)
Thinking of the possible approaches
Part IV (Para.4-6)
Decide on the invention and apply for a patent.
Part V (Para.7-8)
Find the problem of the snakes.
设计意图：通过提示学生对段落大意进行连线降低难度，提高学生的自我成就感。同时使学生从整体上把握文章，为下一步intensive reading 做好准备。
II : Intensive reading 深入理解 细节要知
Task1 : Identify the stages that inventors must follow before they have their invention recognized, look at the list and wort a suitable order.
a. Applying for a patent b. Finding a problem c.Doing research d. Testing the solution e. Thinking of a creative solution f. Deciding on the invention
the correct order: _____ _____ _____ _____ ｛_____ _____｝
设计意图：给学生提供发明家为了发明得到认可所必须的六个步骤。要求学生调整顺序来预测一项发明的过程。
Task 2:Read the passage carefully, check the order above to see whether it follows the stages in producing an invention.
Paragraph Stage Example in this story
1 The snast be removed
but not harmed.
2 Look for methods of removal;
the habits of snakes
3 Identify three possible approaches:
choose one.
4,5,6 Try three times to make it
work efficiently.
7,8 Fill in the form and file patent application
with the Patent Office.
设计意图：细读课文，验证发明的基本过程在阅读课中的对应体现。对文章的整体框架结构有一个清晰明确地了解。引入竞争机制，快速抢答的形式，完成此题目。进一步加深了对文章内容的理解。
Task 3:Read the whole passage paragraph by paragraph and answer the following questions.
1. Why did the writer not use powders to solve the problem?
A. Because it was an old thought pattern to used powders.
B. Because that would harm or even kill the snakes.
C. Because that would damage something else near the house.
D. Because she wanted to invent something new.
2. Which are the three possible approaches that the writer thought of to catch the snakes except_____.
A. Removing their habitat.
B. Attracting them into a trap using male or female perfume or food
C. Using the natural enemy of snakes
D. Cooling the snakes
3. How many attempts did she make to in order to make her solution efficient?
A. 2 B. 3 C. 4 D. 5
4. Which statement is TRUE according to the text?
A.The snakes were so sleepy in the second attempt
that they couldn’t bite the writer at all.
B. Your product must be different from everybody else’s
if you want to receive a patent.
设计意图：变式拓展, 深化理解,竞争机制, 再度剖析.充分发挥了学生的主观能动性，把他们的表现欲充分调动起来，敢于表现自己，将课堂活动推向高潮。
Step IV: post reading 学生选择, 当堂检测
Task 1: According to the passage, if you have a new product, how can you get a patent ?
Task 2: Imagine you are a patent officer, your job is to decide whether an application should be considered valid or not. Look at the following inventions and decide on which one should be given a patent and which one shouldn't ? give your reason.
设计意图：如果选task 1 ，这题目起个当堂检测的作用，进一步检查学生对文章内容的理解。
如果选task2, 这个题目也是起当堂检测作用，使学生进一步掌握文章中对申请专利的要求，进一步明确了“发明”和“发现”这两个概念的区别。
StepV: Homework 课后巩固 能力提升
What might be the advantages of getting a patent?
设计意图：要求学生回去思考获得专利的好处，从而了解申请专利的意义,使学生的总结能力进一步提高。
一． 选词填空
1. What _____________ me __________ others is that I take an active part in all kinds of activities.
2. _______________________, we get together to have a chat, but not often.
3. I ______________________ applying to be a volunteer since I learned the information.
4. I usually enjoy his movies, but the latest one didn’t ____________________________.
5. The voluntary work _______________________ me and I am bound to do the job well.
6. They often quarreled;__________________________ a misunderstanding between them.
7. I will be grateful if you can consider accepting me and ______________ me ______________.
8. In my opinion, when ___________________________ difficulties and frustrations, we should say “ It is very good!”
二．重点句式
（一）状语从句的省略
1. You must be careful when you cross the street.
= You must be careful __________________________________.
2. When it is taken according to the directions , the drug has no side effects.
= ____________________________________________________, the drug has no side effects.
3. (2014.湖南高考) Children, when _____________ by their parents,are allowed to enter the stadium.
A. to be accompanied B. to accompany C. accompanying D. accompanied
状语从句省略的两个条件：（1）从句的主语与主句的主语一致或从句的主语是it时；
（2）从句的谓语动词中含有系动词be
【巧学助记】省略句真容易，主从句主语要一致。若是遇到it be, 照样省去莫迟疑。
（二）only +状语(副词、介词短语或状语从句）位于句首时，句子须用部分倒装
1. Only by giving him a chance ________
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