高中英语Unit 3 Inventors and inventions 备课.ppt

1、策划：学生双语报,1,Inventors and inventions,Unit 3,策划：学生双语报,2,Warming up:,In groups, discuss the inventions you know and then make a list.,Warming up,策划：学生双语报,3,Do you know what are the four inventions in ancient China?,策划：学生双语报,4,What are they famous for?,Newton,gravity,discovered,策划：学生双语报,5,Benjamin Frank

2、lin,A lightning flash is electricity.,discovered,策划：学生双语报,6,Stephenson,the train,invented,策划：学生双语报,7,radium,Madame Curie,discovered,策划：学生双语报,8,Zhang Heng,the seismograph 地动仪,invented,策划：学生双语报,9,Discussion:,策划：学生双语报,10,1. Discuss in pairs which pictures below show inventions and which show discoverie

3、s.,An amphibious car,Stephensons “Rocket”,DNA,策划：学生双语报,11,An amphibious car (2003),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

4、a prototype and is not yet being produced for sale. This is an interesting modern invention.,策划：学生双语报,12,Stephensons “Rocket” (1781-1848),George Stephenson was one of the first men to design engines for the railways which were new at that time. One of the first tracks to be laid was between Stockton

5、 and Darlington. Stephenson was one of the first railway engineers and in 1825 he drove the first train along the line. In 1829 came his triumph.,策划：学生双语报,13,The structure of DNA,策划：学生双语报,14,An invention is _ _.,A discovery is _ _ _.,already existing in nature but not yet known,finding out something

6、,not existing before,creating something,Whats the connection between discovery and invention?,Discoveries often lead to inventions.,Work out two rules:,策划：学生双语报,15,Do you know the stages every inventor must go through before they can have their invention approved? Discuss in pairs , and then put the

7、 following stages into a suitable order.,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,Pre -reading:,策划：学生双语报,16,The suitable order:,Finding a problem,Doing research,Thinking of a creative solution,Te

8、sting the solution,Deciding on the invention,Applying for a patent,策划：学生双语报,17,Reading The problem of the snakes,策划：学生双语报,18,Skimming to get general ideas,策划：学生双语报,19,The text narrates _ and presents _ and applying for _.,the problem of the snakes,the procedures of catching them,a patent,Skimming,Re

9、ading Comprehension I,策划：学生双语报,20,Reading Comprehension II,How many possible approaches did the author decide on catching snakes? A. Two. B. Three. C. Four. D. Five. 2. The writer succeeded in catching the snakes in the _ attempt. A. first B. second C. third D. fourth,Skimming,策划：学生双语报,21,Read the p

10、assage quickly to find the main idea of each part.,Reading Comprehension III,策划：学生双语报,22,Divide the text into four parts and work out the main idea for each part.,Part I Part II Part III Part IV,(Para. 1),The discovery of the problem of the snakes.,(Paras. 2-3),The research on the approaches to solv

11、e the problem.,(Paras. 4-6),The attempts to catch the snakes.,(Paras. 7-8),The requirement of getting a patent.,策划：学生双语报,23,Scanning to get detail information,策划：学生双语报,24,Reading Comprehension IV,How did the writer catch the snakes? Using something to attract the snakes into a trap. B. Taking their

12、habitat to another place. C. Cooling the snakes so that they became sleepy. D. All the above.,Scanning,策划：学生双语报,25,2. 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 bucke

13、t, powders.,策划：学生双语报,26,3. 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 catch the snakes without killing them,策划：学生双语报,27,4.

14、Which statement is true according to the text? A. The snakes were so sleepy in the second attempt that they couldnt bite the writer at all.B. The author and her mother released the snakes quickly after catching them.C. Your product must be different from everybody elses if you want to receive a pate

15、nt.D. A patent will be published 17 months from the date you apply.,策划：学生双语报,28,5. 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 Huo Da.C. A new kind of grass found in a mountain which can be used as a medicine.D. A new way to m