人教课标版高中英语选修8Unit3 Inventors and inventions Reading 课件(共30张PPT)

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名称 人教课标版高中英语选修8Unit3 Inventors and inventions Reading 课件(共30张PPT)
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科目 英语
更新时间 2019-05-30 20:15:54

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课件30张PPT。Book8 Unit 3Inventors and inventions Step1. Lead in & Warming up 1. Share the information you have collected to show the great inventions of the 20th century.
Possible Answers:
Television
Air conditioner
Telephone/Cell phone/Computer/Internet
Satellite/Railway//Car/Plane2. Look at the pictures below and tell which pictures show inventions and which pictures show discoveries. (P19)Step1. Lead in & Warming up An amphibious car
水陆两用车 An Amphibious Car
This is the first car that can travel safely on water and on land. When moving on water, the wheels of the car turn sideways and move into the body. The underneath of the car is strong enough to sail as a boat. It is a prototype and is not yet being produced for sale. This is an interesting modern invention.Stephenson’s “Rocket”
史蒂芬森 “火箭号”机车 Stephenson’s “Rocket”
George Stephenson was one of the first men to design engines for the railways which were new at that time. Rocket was the first steam locomotive to have successfully run along the tracks. Since the invention of Rocket, the railway transportation has been rapidly developed, which brings much convenience to human life. The Structure of DNA The Structure of DNA
This was a discovery of Francis Crick and James Watson and published in 1953. These two scientists were the first to show that our genes consist of two spirals of DNA (called the double-helix). This work led directly to the human genome project in 2003, which discovered the Structure of DNA.3. Can you tell the difference between a discovery and an invention?
A discovery merely makes known something that already existed in nature, such as the discovery on the New Continent by Columbia.
An invention is something that is created by a human being, such as the computer, telephone and the four great Chinese inventions. Inventing is a scientific activity, which uses the same procedures as scientific experiments.Step1. Lead in & Warming up Step2. Pre-reading 1. Every inventor must go through several stages before they can have their invention approved. Inventing is a scientific activity and so follows similar stages to those used in scientific research. Look at the list and work out a suitable order.
Applying for a patent (P19)
Finding a problem
Doing research
Testing the solution
Thinking of a creative solution
Deciding on the inventionStep2. Pre-reading ▼ the suitable order:
Finding a problem
Doing research
Thinking of a creative solution
Testing the solution
Deciding on the invention
Applying for a patent Patent office (专利局) plays the role of deciding what is an invention and what is not. And only inventions can get patens and so be recognized and protected.THE PROBLEM OF THE SNAKESStep3. Reading Task1.Fast reading. Read the text fast and sum up the main idea of the text. The text tells the problems of _________ and presents ______________ of catching them and applying for __________.
the snakes the procedures a patent Task2.Careful reading. Choose the best answer to each question.1. The purpose in writing this text is ________.
A. to show us how to trap the snakes but 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 patentC2. The biggest advantage of the writer's 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 themD3. 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 small net, a bucket, powders
C4. 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.
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.B5. 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 Mo Yan.
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.C6. The word “released” in paragraph6 (L39) means the same as _______.
A. returned
B. relaxed
C. dismissed
D. set freeDTask3.Further understanding. Try to understand the difficult points of the text.1. Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them. (L7,P20)
2. The first thing I did was to see if there were any products that might help me, but there only seemed to be powders designed to kill snakes. (L11, P20)
3. Between the outside and the inside walls of the bowl there is some jelly, which freezes hard when cooled. (L18, P20)
4. They abruptly disappeared into a convenient hole in the wall. (L27, P20)
5. This was in the expectation that the snakes would bite again. But monitored carefully, the snakes proved to be no trouble and all went according to plan. (L37, P21)
6. The criteria are so strict that it is difficult to get new ideas accepted unless they are truly novel. (L43, P21)
Task1.Listening. Listen to the tape and read aloud the passage after the speaker. Step4. Post-reading Task2.Summarizing. Work out the stages in making an invention according to the text. Remember to check the order you wrote above to see whether it follows the correct stages in producing an invention.Step4. Post-reading removed harmed 2
3
456methods habitsthreeone effectively Task3.Discussion. In groups of four discuss the following questions. The group leaders are to share your opinions.1. What is the connection between a discovery and an invention?
2. What are the greatest inventions in your eyes? How do these inventions change people’s lives?
DISCOVERIES
Electricity→
X-rays →
…….▼ Tips to help you work out the connections. INVENTIONS
Electric lights to lighten our houses
Household machines for washing, ironing, cleaning etc.
Body scanners to see whether one is ill
…....
Household machines
Body scanner/Medicines
In my opinion/As far as I am concerned
Personally/I believe/I think
Lighten our work
Make life easier/better/more comfortable
Save human lives
……▼ Useful expressions to help you develop your ideas.Task1. Review and read aloud the whole text.
Task2. Write a composition based on what was discussed above with the title:
Inventions Are Changing Our Lives
Step5. Homework