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1、高二英语选修8 unit 3 Inventors and Inventions导学案Period 2 ReadingThe problem of the snakes( p.20)一学习目标:1. To learn how the information is organized. 2. To develop the Ss reading ability by skimming and scanning the passag二教学重难点1. To enable the Ss to learn about inventors and inventions and to develop their
2、 reading ability. 2. To enable the Ss to talk about inventions. Step 1 Warming Up Warming up by looking and talking.Show some pictures to the Ss and let them know which pictures show inventions and which show discoveries and talk about them.Work out the rules that will help you decide what a discove
3、ry is and what an invention is.A is _.An i is _.Step 2 Pre-readingAsk Ss if they know the stages every inventor must to through before they can have their invention approved. Encourage them to talk about it and look at the list on Page 19 to work out a suitable order. 三预习自测1. Fast-reading: Ask Ss to
4、 skim the passage so as to get the key words and general idea of each paragraph. Divide the passage into 4 parts and match the main idea of each part.Part1 (Para. _ ) 1) the research on the approaches to solve the problemPart2 (Para. _ ) 2) the attempts to catch the snakesPart3 (Para. _ ) 3) the req
5、uirements of getting a patentPart4 (Para. _ ) 4) the discovery of the problem of the snakes2.Answer the question: Whats the main idea of the text?四合作探究：探究一.Scan the text for detailed information and choose the best answer:1. How did the writer catch the snakes? A. using something the snakes were int
6、erested to attract them into a trap.B. taking their habitat to another place.C. placing the snakes at a low 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 B. the second C. the third D. every3. In which
7、order did the writer carry out the process of cooling the snakes? a.Took the bowl from the ice-cream maker.b.Placed the frozen bowl over the snakes habitat.c.Prepared some ice-cubes to keep the bowl cool.d.Covered the bowl with a bucket and left everything overnight.e.Froze the bowl. A. a-e-b-c-d B.
8、 e-c-b-d-a C. e-a-c-d-b D. a-e-c-b-d4. Which statement is TRUE according to the text?A. The snakes were sleepy in the second approach so they couldnt bite.B. Your product must be different from everybody elses if you want to receive a patent.C. The writer received a patent after she succeeded in cat
9、ching the snakes.D. If an application 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 by Yao Ming.C. A new way to make dirty water clean.D. A new kind of gra
10、ss can be used as a medicine.探究二：True or False1. In this passage, the writer want to encourage the readers to consider carefully the problems in daily life.( )2. The writer was successful to catch the snakes in the second attempt.( )3. An inventor can easily get the patent for the invention.( )4. If
11、 you have a scientific theory or mathematical model, you can get a patent.( )5. The stages to apply for a patent is to fill in the form for your invention, file your patent application with the patent office and wait for the patent examine.( )6. If your inventions pass the test, your application for
12、 a patent will be published 17 months from the date you apply.( )五当堂检测Fill the chart.ParaStages in the inventing processExample in this story 1Find a problem2Do research3Think of a creative solution456Test the solution several times 7Apply for a patent六总结提升：A discovery is finding out something alrea
13、dy existing in nature but not yet knownAn invention is something that was created by human beings not existing before Ask the Ss to talk about the stages in the invention process in their own words. Give them some key words to let them try to retell the passage.Homework:Underline useful new words and expressions in the reading passage.