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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 theirreading ability.2. To enable the Ss to talk about inventions.Step 1 Warming UpWarming up by looking and talking.Show some pictures to the Ss and let them know which pictures show inventions andwhich show discoveries and talk about them.Work out the rules that will help you decide what a discovery is and what aninvention is.A is .An i is.Step 2 Pre-readingAsk Ss if they know the stages every inventor must to through before they can havetheir invention approved. Encourage them to talk about it and look at the list on Page19 to work out a suitable order.三. 预习自测1. Fast-reading:Ask Ss to skim the passage so as to get the key words and general idea of eachparagraph. Divide the passage into 4 parts and match the main idea of each part.Parti (Para.)Part2 (Para.)Part3 (Para.)Part4 (Para.)2.Answer the question:1) the research on the approaches to solve the problem2) the attempts to catch the snakes3) the requirements of getting a patent4) the discovery of the problem of the snakesWhats the main idea of the text?四.合作探究：探究.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 interested 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 inattempt.A. the First B. the second C. the third D. every3. In which 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. 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 apatent.C. The writer received a patent after she succeeded in catching 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 grass 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 theproblems 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 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 yourpatent application with the patent office and wait for the patent examined )6. If your inventions pass the test, your application for a patent will be published 17months from the date you apply.( )五.当堂检测Fill the chart.ParaStages in the inventing processExample in this story1Find a problemDo researchThink of a creative solutionTest the solution several timesApply for a patent六.总结提升：A discovery is finding out something already existing in nature but not yet knownAn invention is something that was created by human beings not existing beforeAsk the Ss to talk about the stages in the invention process in their own words. Givethem some key words to let them try to retell the passage.Homework:Underline useful new words and expressions in the reading passage.
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