人教版英语选修八unit3-reading课件.ppt

1、Unit 3 Inventors and inventionsUnit 3 Inventors and inventionsPeriod 1&2:幻灯片9-48页Invention and Discovery An Invention is something that is created by a human being.Warming up-III(2m)A discovery merely makes known something that already existed in nature.1.What are the uses of these inventions?Pre-re

2、adingDiscussion:What do you think is the greatest invention in the world?Why?Your reason?telephone?papermaking?computer?flush toliet?vaccination?(接种疫苗）接种疫苗）instant noodle？Do you know the stages every inventor must go through?Discuss in pairs,and then put the following stages into a suitable order.1.

3、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 inventionPre-reading II(3m)The suitable order:Finding a problemDoing research Thinking of a creative solutionTesting the solutionDeciding on the inventionApplying for

4、 a patentReadingThe problem of the snakesScanning:Find out which paragraph or paragraphs deal with each inventing process in the passage and find the examples:paragraphStages Examples in this storyFind a problemThe snake must be _but not_Do researchLook for _ of removal;the _ of snakesThink of a cre

5、ative solutionIdentify _ possible approaches:choose_.caughtharmedapproacheshabitsthreelast one123Test the solution several timesTry_ times to make it workApply for a patentThis means the solution is _4,5,67,8threerecognizedThe three creative steps:1)to put the frozen bowl over the snakes habitat in

6、the morning.2)to put the frozen bowl over the snakes habitat in the evening.3)to put the frozen bowl over the snakes habitat in the evening and carry a net to collect the snakes without harming them.Task 2 Skimming 3.Can you describe the final solutionin your own words?Firstly,Secondly,then,the next

7、 morning,andThe next day,freeze the bowl for 24 hours.place it over the snakes habitat with some ice-cubes on its top.cover the whole thing with a large bucket.remove the bucket and the bowl;collect the snakes with a net.release them into the wild.Task 4 Make a summary within 30 words The passage ta

8、lks about that the writer _ a harmless way to _ the snakes.She trapped the snakes by making them _ and _.Finally,she decided to apply for _ for her approach.inventedcatchcoolsleepypatent1.According to the text,which of the following inventions may get a patent?A.A truly novel idea.B.A new plant vari

9、ety.C.A computer program.D.A scientific theory.II.Read the text carefully and choose the best answer.A2.Which of the following is TRUE according to the text?A.In my first attempt,the snakes were as active as before.B.The snakes were not sleepy at all in my second attempt.C.I killed all the snakes af

10、ter I collected them.D.Ice-cubes were used in the three attempts.D3.The purpose in writing this text isA.to show us how to trap the snakes but not to kill themB.to tell people how to apply for a patent of the writers new ideaC.to introduce the writers new idea of trapping the snakes and her applicat

11、ion for a patentD.to tell the readers how to get a new idea and make it a patent4.The biggest advantage of the writers new idea is that:A.it makes the snakes move slowlyB.it makes the snakes hardly bite usC.it is easier for us to kill the snakes without hurting ourselvesD.it is easier for us to catc

12、h the snakes without killing them5.What instruments were used for catching the snakes?A.a bowl,ice-cubes,male perfumeB.a bowl,a bucket,female perfumeC.a small net,ice-cubes,a bucketD.a small net,a bucket,powders6.Which statement is true according to the text?A.The snakes were so sleepy in the second

13、 attempt that they couldnt bite the writer at all.B.Your product must be different from everybody elses 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.