人教版选修8unit3readingPPT课件

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A. Because snakes are warm-blooded animals.
B. Because snakes like high temperature. C. Because snakes are reptiles and their
body temperature depends on the heat around them.
高二 选修 8 Unit 3
Discuss in pairs which pictures show inventions and which show discoveries.
An amphibious car Stephenson’s “Rocket”
DNA
Work out the rules that will help you decide what a discovery is and what an invention is.
The problem of the snakes
Read the text quickly and complete its main idea.
The text is mainly about the author’s experience in helping her mother get rid of the _s_n_a_k_e_s_ and applying for the _p_a_t_en__t for her invention.
6. 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
television 1923
colour television 1940
photocopier 1937 air conditioner 1902
electronic digital computer 1942
Atomic bomb 1945
Credit cards 1950
Penicillin 1928
B. the second
C. the third
D. every
Baidu Nhomakorabea
3. The following are used in the three
attempts EXCEPT _____.
A. perfume
B. a bowl
C. jelly
D. ice-cubes
4. Why did cooling the snakes make them less active?
Thomas Edison invented the electric bulb.
Did Edison invent electricity? Can electricity be invented? Is electricity an invention or discovery? Why?
In pairs discuss any modern inventions you know. Describe them to your partner and explain how they changed people’s lives.
5. Which of the following may get a patent according to the text? A. A computer programme. B. A new animal variety. C. A work of literature. D. A truly novel and useful invention.
Read the text carefully and choose the best answer.
1. How did the writer catch the snakes? A. using something the snakes were
interested to attract them into a trap. B. taking their habitat to another place. C. placing the snakes at a low
(1) A discovery is A discovery merely makes known something that already exist in nature, such as the discovery on the New Continent by Columbia.
(2) An invention is something that created by human being, such as the lighting rod.
1. Applying for a patent 2. Finding a problem 3. Doing research 4. Testing the solution 5. Thinking of a creative solution 6. Deciding on the invention
temperature for them to sleep and then caught them. D. All the above.
2. The writer was successful to catch the
snakes in ________ attempt.
A. the first
Do you know the stages every inventor must go through before they can have their invention approved? Inventing is a scientific activity and so follows similar stages to those used in research. Work out a suitable order.
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