人教版高二英語(yǔ)選修8-Unit-3-Inventors-and-inventions--全單元教案

1、Unit 3 Inventors and inventionsThe First Period Warming up一 Aims:Teaching aims 教學(xué)目標(biāo)：Help the students learn how to talk about inventions and discoveries.重點(diǎn)詞匯和短語(yǔ)discovery, application, evaluate, presentation, alternative, messenger, get together, make a case for, add upAbility aims 能力目標(biāo)Enable the stu

2、dents to talk about information and different.二 ContentsStep I Ask the students to talk about the pictures with the teacher s help, and then discussfirst two questions.what is a discovery?What s the difference between a discovery and an invention?Step II Work in pairs and talk about the three differ

3、ent things, telling them apart and giving reasons.Which these pictures show inventions? Does any of them show discoveries?Work out two rules that will help you decide what is a discovery and what is an invention?Step III Go on with some other questions of this part.What modern inventions do you know

4、? 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. In pairs discuss some new applications of a mobile. Make a list of th

5、e 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:Teaching aims 教學(xué)目標(biāo)How s to describe the problem of the snakes and what has been done by the writer to solve the problem.重點(diǎn)詞匯和短語(yǔ)Patent, distinguish, prod

6、uct, power, perfume, cube, abrupt, abruptly, convenient, expectation, monitor, passive, criterion, valid, application, file, rod, call up, now and then, set about, in caseAbility aims 能力目標(biāo)Enable the students to describe the problem of the snakes and what has been done by the writerto solve the probl

7、em. Make them realize it takes steps to c atch the snakes and it s 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 order of stages of inventions.Step II Get the Ss to comprehend the passage carefully an

8、d accurately, and then divide the textinto several parts and work out the main idea for each paragraph.Part I (Para.1)Partn (Para.2-3)Partin (Para.4-6)PartW (Para.7-8)the discovery of the problem of snakesthe research on the approaches to solve the problemthe attempts to catch the snakesthe requirem

9、ents 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:.What are the writing techniques of this text?.What s the main idea of the text?.What should we learn from this text?.What the writing purpose of the writer? Step

10、IV Comprehending: Finish the exercise1, 2, 3.The Third Period Language Points一 Aims:Talk about inventors and inventionsLearn about the stages used in scientific research二 Contents:Step I words and phraseDo you know the stages every inventor must go through before they can have their invention approv

11、ed?go through(1)經(jīng)歷 (2)通過(guò) ,成功 ,成交 (3) 審閱 ,檢查 (4)翻找 ,查看 (5)穿過(guò) ,通過(guò)Most families went through a lot in the war.I was researching into the habits of snakes so I could trap them in the easiest way.do research on /into /in. 從事 , 進(jìn)行 , 做研究They are carrying out a research into the causes of cancer.They are do

12、ing research into electricity.when I called up my mother in the countryside on the phone.call up 打電話，使回憶起I ll call you up tonight (call sb. /ring sb. up )The old photo calls up memories of my childhood. (recall sth.)Snakes come near the house now and then.now and then 有時(shí) , 偶爾I see them now and then,

13、 but not often.Here was a chance for me to distinguish myself by inventing something that would catch snakes but not harm them.distinguish oneself 顯揚(yáng)自己 , 使自己揚(yáng)名But there only seemed to be powders designed to kill snakes.powder: n. 粉，粉末；藥粉；火藥grain sth. into powder 把磨成粉I set about researching the habit

14、s of snakes so I could tap them in the easiest way.set about 開(kāi)始 , 著手 The sooner we set about it , the sooner we ll finish.This was in the expectation that the snakes would bite again.expectation: n. 預(yù)料，期待Against all expectation, she won first prize.abruptly adv.A man with an abrupt manner is not wel

15、come here.convenientCome and see me whenever it is convenient to you.If it is quite convenient to you, I ll visit you next Tuesday.If it passes that test, your application for a patent will be published 18 months from the date you apply.application: n. 應(yīng)用，運(yùn)用；申請(qǐng)，請(qǐng)求；努力，專注The invention had no practical

16、 application.bear (bore, borne) 忍受 ; 帶有 , 具有I couldn t bear to listen any longer, so I left the room.bear doing 表示習(xí)慣性動(dòng)作bear to do sth. 表示一次具體動(dòng)作This letter bears french stamp.mess: n.雜亂，臟東西v.無(wú)而事事,混日子，胡鬧There is a lot of mess to clear up.but monitored carefully, the snakes proved to be no trouble and

17、all went according to plan. monitor: vt. 監(jiān)聽(tīng)，收聽(tīng)：監(jiān)視I collected the passive snakes and the next day we released them all back into the wild. passive: adj. 被動(dòng)的，消極的；不抵抗的；不活躍的He played a passive role in the marriage.Step II sentencesThe first thing I tried to do was to see if there were products that migh

18、t help me, but there only seemed to be powders designed to kill snakes. P20Between the outside and inside walls of the bowl there is some jelly, which freezes hard when cooled. P20The criteria are so strict that it is difficult for new ideas to be accepted unless they are truly novel. P21The Forth p

19、eriod Learning about language and Using language一 AimsTeaching aims 教學(xué)目標(biāo)Help the Ss learn how the famous inventor Alexander Graham Bell invented telephones重點(diǎn)詞匯和短語(yǔ)forehead, dot, tap, wire, straw, current, importance, helicopter, triangle, stable, practical, beaten track, dive into, set out (to do), i

20、n truth 重點(diǎn)句子He found that by pressing his lips againstHe designed a machine that Although he will always be known for，he was He realized that by understanding howAbility aims 能力目標(biāo)Enable the Ss to learn about the famous inventor Alexander Graham Bell and his inventions.二 ContentsStep I Check the homework. Get the Ss to finish the exercises on 24.Step II Ask the Ss to discuss the following questions:.What do you know about the inve