2022年人教版高二英语选修8-Unit-3-Inventors-and-inventions-全单元教案

1、精品word 可编辑资料 - - - - - - - - - - - - - 一 Aims: Unit 3 Inventors and inventions The First Period Warming up 1. Teaching aims 教学目标：Help the students learn how to talk about inventions and discoveries. 重点词汇和短语discovery, application, evaluate, presentation, alternative, messenger, get together, make a c

2、ase for, add up 2. Ability aims 才能目标 Enable the students to talk about information and different. 二 Contents Step I Ask the students to talk about the pictures with the teachers help, and then discuss the first two questions. what is a discovery. Whats the difference between a discovery and an inven

3、tion. Step II Work in pairs and talk about the three different things, telling them apart and giving reasons. 1. Which these pictures show inventions. Does any of them show discoveries. 2. Work out two rules that will help you decide what is a discovery and what is an invention. Step III Go on with

4、some other questions of this part. What modern inventions do you know. Describe them to your partner and how useful they are in life today. Step IV Work in groups of four to discuss the question: Suppose you are working for a mobile company. It is your job to suggest new ways of developing a mobile.

5、 In pairs discuss some new applications of a mobile. Make a list of the ones you like and that seem the most useful. Choose one you both like and think will be popular with other people. The Second Period Reading 一 Aims: 1. Teaching aims 教学目标 How s to describe the problem of the snakes and what has

6、been done by the writer to solve the problem. 重点词汇和短语Patent, distinguish, product, power, perfume, cube, abrupt, abruptly, convenient, expectation, monitor, passive, criterion, valid, application, file, rod, call up, now and then, set about, in case 2. Ability aims 才能目标 Enable the students to descri

7、be the problem of the snakes and what has been done by the writer to solve the problem. Make them realize it takes steps to c atch the snakes and its not easy to get a patent. 二 Contents: Step I Ask the Ss to guess about the content of the passage from the title. Then ask the Ss to judge the right o

8、rder of stages of inventions. Step II Get the Ss to comprehend the passage carefully and accurately, and then divide the text 第 1 页,共 4 页 - - - - - - - - - -精品word 可编辑资料 - - - - - - - - - - - - - into several parts and work out the main idea for each paragraph. Part Para.1 the discovery of the probl

9、em of snakes Part Para.2-3 the research on the approaches to solve the problem Part Para.4-6 the attempts to catch the snakes Part Para.7-8 the requirements of getting a patent. Step III Ask Ss to go over the whole text again and analyze the text in details. Discuss the following questions: 1.What a

10、re the writing techniques of this text. 2.What s the main idea of the text.3.What should we learn from this text. 4.What the writing purpose of the writer.Step IV Comprehending: Finish the exercise1, 2, 3. 一 Aims: The Third Period Language Points Talk about inventors and inventions Learn about the s

11、tages used in scientific research 二 Contents: Step I words and phrase 1. Do you know the stages every inventor must go through before they can have their invention approved. go through 1经受 2通过 ,胜利 ,成交 3 批阅 ,检查 4翻找 ,查看 5穿过 ,通过 Most families went through a lot in the war. 2. I was researching into the

12、 habits of snakes so I could trap them in the easiest way. do research on /into /in. 从事 , 进行 , 做讨论 They are carrying out a research into the causes of cancer. They are doing research into electricity. 3. when I called up my mother in the countryside on the phone. call up 打电话,使 回忆起 I ll call you up t

13、onight call sb. /ring sb. up The old photo calls up memories of my childhood. recall sth. 4. Snakes come near the house now and then. now and then 有时 , 有时 I see them now and then, but not often. 5. Here was a chance for me to distinguish myself by inventing something that would catch snakes but not

14、harm them. distinguish oneself 显扬自己 , 使自己扬名6. But there only seemed to be powders designed to kill snakes. powder: n. 粉,粉末；药粉；火药 grain sth. into powder 把磨成粉7. I set about researching the habits of snakes so I could tap them in the easiest way. set about 开头 , 着手 The sooner we set about it , the soone

15、r well finish. 8. This was in the expectation that the snakes would bite again. expectation: n. 预料,期望Against all expectation, she won first prize. 9. abruptly adv. 第 2 页,共 4 页 - - - - - - - - - -精品word 可编辑资料 - - - - - - - - - - - - - A man with an abrupt manner is not welcome here. 10. convenient Co

16、me and see me whenever it is convenient to you. If it is quite convenient to you, Ill visit you next Tuesday. 11.If it passes that test, your application for a patent will be published 18 months from the date you apply. application: n. 应用,运用；申请,恳求；努力,专心The invention had no practical application. 12.

17、 bear bore, borne 忍耐 ; 带有 , 具有 I couldnt bear to listen any longer, so I left the room.bear doing 表示习惯性动作 bear to do sth. 表示一次详细动作This letter bears french stamp. 13. mess: n.杂乱 ,脏东西 v.无所事事 , 混日子 ,胡闹 There is a lot of mess to clear up. 14. but monitored carefully, the snakes proved to be no trouble a

18、nd all went according to plan. monitor: vt. 监听,收听：监视 15. I collected the passive snakes and the next day we released them all back into the wild. passive: adj. 被动的,消极的；不抗击的；不活跃的 He played a passive role in the marriage. Step II sentences 1. The first thing I tried to do was to see if there were prod

19、ucts that might help me, but there only seemed to be powders designed to kill snakes. P20 2. Between the outside and inside walls of the bowl there is some jelly, which freezes hard when cooled. P20 3. The criteria are so strict that it is difficult for new ideas to be accepted unless they are truly

20、 novel. P21 The Forth period Learning about language and Using language 一 Aims 1. Teaching aims 教学目标 Help the Ss learn how the famous inventor Alexander Graham Bell invented telephones 重点词汇和短语forehead, dot, tap, wire, straw, current, importance, helicopter, triangle, stable, practical, beaten track,

21、 dive into, set out to do, in truth 重点句子He found that by pressing his lips against He designed a machine that Although he will always be known for , he was He realized that by understanding how 2. Ability aims 才能目标 Enable the Ss to learn about the famous inventor Alexander Graham Bell and his inventions. 二 Contents Step I Check the homework. Get the Ss to finish the exercises on 24. Step II Ask the Ss to discuss the following questions: 1.What do you know about the inventor. 2.How useful is his invention to human society. Step III Let