| unit 11 示范教案( 共4课时）4(新课标版高二英语下册教案教学设计) |
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The Fourth Period Teaching Aims: 1.Learn and master the following words and phrases: boom,put forward,breakthrough,agency,announce,evolution,supercomputer 2.Train the students’ integrating skills,especially reading and writing skills. Teaching Important Points: 1.Help the students understand the passages exactly and master the following words and phrases:put forward,aim at,announce,map out 2.Learn to write a persuasion essay to train the students’ writing ability. Teaching Difficult Point: How to help the students finish the task of writing. Teaching Methods: 1.Fast and then careful reading to improve the students’ reading ability. 2.Learning tips to help the students learn to write a persuasion essay. 3.Individual,pair or group work to make the students finish each task. Teaching Aids: 1.the multimedia 2.the blackboard Teaching Procedures: Step Ⅰ Greetings Greet the whole class as usual. Step Ⅱ Revision and Lead-in T:Yesterday,we learned a lot about Word Formation.We know some words are derivatives,some are compounds,and others are short forms.Can you give me some examples for each way of forming a word?Give a few derivations,please? S1:unhappy,happiness,happily,friendship… T:Some compounds? S2:blackboard,firefighter,hard-working,handbag… T:Some short forms? S3:e-book,e-mail,UFO,DNA,WTO,OPEC… T:You all did a good job.Now,please look at the screen and do the exercise.Three minutes later,I’ll check your answers. (Show the following on the screen.) Study the sentences and guess the meaning of each underlined word.Explain how the word is formed. 1.The average output of the factory is 20 cars a day. 2.She has written good essays before,but this one is substandard. 3.He is a kind of intellectual superman. 4.The lack of a common language made it very difficult to intercommunicate (with each other). 5.Transplant the seedlings into peaty soil. 6.Have you read an e-book? 7.When did China join the WTO? 8.They helped us to map out a long-term plan. Suggested answers: 1.output=out+put 产量 2.substandard=sub-+standard 低于标准的，不够标准的 3.superman=super-+man 超人 4.intercommunicate=inter-+communicate 互相联系 5.transplant=trans-+plant 移植 6.e-book=electronic+book 电子图书 7.WTO=World Trade Organization 世贸组织 8.long-term=long+term 长期的 T:Well done.In this unit,we’ve learned much about science and scientific achievement.Can you give an example of scientific achievement of China? T:Yes.It’s really a significant science achievement.Since the early 1990s,China has been enjoying a boom in scientific and technological development.In many fields,China has achieved great success.Today,we’ve going to read about some scientific achievements in China.First,let’s learn the new words. (Teacher shows the screen and deals with the new words.) boom /bu：m/ n. （经济、工商业等的）繁荣（期），迅速发展期；（营业等的）激增 put forward 提出；建议；推荐 △rejuvenate /rI′dｕ：ｖｎｅIｔ/ vt. 使返老还童；使恢复（青春）活力 breakthrough /′breIk，ｒｕ：/ n. （知识或技术领域的）重大突破；重大进展（发现）；（军事上的）突围 △impressive /Im′presIv/ adj. 激动人心的；感人的；给人深刻印象的 agency /′eIdｎｓI/ n.（行政或职能）机构；代理机构 announce /′nans/ vt. 宣布，宣告 △genome /′di：nm/ n. 基因组；染色体组 △element /′elImnt/ n. 元素；要素；组成部分 evolution /ｉ：ｖ′ｌｕ：ｎ/ n. 发展；展开 △byte /baIt/ n. ［计］字节；比特 supercomputer /,sjuｐｋｍ′ｐｊｕｔ (r)/ n. 超级计算机 △humanoid /′hjuｍｎId/ adj. 具有人的形状或特点的；类人的 Step Ⅲ Reading T:OK.Now please open your books at Page 7.Look at Reading and Writing.Read each passage quickly and find out the answers to the following two questions on the screen. (Teacher shows the following on the screen.) 1.What plan has helped Chinese scientists make many breakthroughs? 2.Which scientific fields are mentioned in the text? (After a while,teacher checks the answers.) T:Have you found the answers? Ss:Yes. T:Who’d like to answer the first question? S4:The plan for “rejuvenating the nation by relying on science and education”. T:Quite right.The other question? S5:Exploring space,genetic research,computer engineering and medical science. (Teacher writes the answers above on the blackboard.) T:Nice work.Now,please read the passages again carefully,trying to understand them more exactly and pay attention to some detailed information.After that,work in groups to complete the chart after the passages according to what you’ve learnt from the text.After four minutes,I’ll check your answers. Suggested answers: Exploring space Achievements:The Chinese space Agency has developed the highly successful Long March rocket series. Importance:The rockets are used to prepare for the nation’s first manned space flight. Genetic research Achievements:Chinese scientists have completed mapping out their part of the international human genetic project. Importance:It has proved that Chinese scientists are among the world’s best.It helps to solve the mysteries of life. Computer engineering Achievements:Chinese computer engineers have developed the supercomputer Shenwei. Importance:The nation’s first humanoid robot has been built. Medical science Achievements:Scientists have been able to create a chemical element that can fight cancer cells. Importance:The breakthrough makes the cure of deadly disease possible. (After that,teacher deals with the language points.) T:Nice work.I think you must have understood the text very well.Now,let’s learn some useful words and expressions.Please look at the screen. (Teacher shows the following on the screen and gives brief explanations to make sure the students understand how to use them correctly.) 1.put forward:advance,propose or suggest sth. for discussion e.g.He is putting forward radical proposals for electoral reform. 2.aim at:intend or try to do sth. 3.announce:make(sth.) known publicly e.g.They announced their engagement to the family. Have they announced when the race will begin? 4.map out:present sth. in detail e.g.He mapped out his ideas on the news project. (Bb:put forward,aim at,announce,map out) Step Ⅳ Listening and Reading Aloud T:Now,I’ll play the tape for you to listen.The first time,listen and follow.The second time,listen and repeat.Is that clear? Ss:Yes. (Teacher begins to play the tape.) Step Ⅴ Writing T:Well,up to now,we’ve read a lot about scientific achievements.Which words in the text can we use to describe scientific achievements?Prepare for a few minutes.Then I’ll collect them from you. Suggested words: significant,outstanding,breakthrough… (Then teacher deals with Writing.) T:Very good.Now,please look at the Writing part.You’ve been asked by the magazine Modern Science to help them choose the greatest scientific achievement ever.Write a short essay,telling them which achievement you have chosen and explaining why you think that it is the most important.Are you clear about what to do now? Ss:Yes. T:In order that you can write your essay better.You’d better read and study the tips at Page 8 carefully before writing your essay.You can begin now.If time permits,I’ll ask some students to read their essay to the rest of the class.A sample essay: The publication of the detailed structure of 99% of the human genome is the culmination of one of the largest scientific undertakings in history.Initiated in 1990,the Human Genome Project involved the cooperative work of hundreds of scientists in 20 sequencing centres in countries including China,France,Germany,Great Britain,Japan and the United States. The achievement is important.Not only has it given a glimpse into the extraordinary complexity of the structure of human DNA but it has also demonstrated the huge potential of cooperative scientific endeavour organized on an international basis. Moreover,the project’s completion has already produced medical breakthrough,scientists assert that the achievement can assist research into cancers such as leukemia,and may also extend far beyond to the other deadly diseases. Step Ⅵ Summary and Homework T:Now let’s see what we’ve learnt in this class.First,we’ve read about some China’s significant achievements in science and technology.We know Chinese history is filled with great achievements,not only in the past,but also today.Science and technology makes a country richer and stronger.Science and technology also makes society develop and progress.Do you think so? Ss:Yes. T:Second,we’ve practised writing a persuasion essay.We can use some words to describe scientific achievement.Moreover,we’ve learnt some useful words and phrases such as put forward,announce…After class,please practise more to develop your ability to use English.So much for today.Goodbye. Ss:Goodbye. Step Ⅶ The Design of the Writing on the Blackboard Unit 11 Scientific achievement The Fourth Period Ⅰ.Areas exploring space genetic research computer engineering medical science Ⅱ.Words and phrases: put forward aim at announce map out Step Ⅷ Record after Teaching |
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