2019-2020年高中英语（人教大纲）第二册下：Unit11 Scientific achievements(第四课时).doc

2019-2020年高中英语（人教大纲）第二册下：Unit11 Scientific achievements(第四课时)Teaching Aims:1.Learn and master the following words and phrases:boom,put forward,breakthrough,agency,announce,evolution,superputer2.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 out2.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 multimedia2.the blackboardTeaching Procedures:CStep GreetingsGreet the whole class as usual.CStep Revision and Lead-inT:Yesterday,we learned a lot about Word Formation.We know some words are derivatives,some are pounds,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,friendshipT:Some pounds?S2:blackboard,firefighter,hard-working,handbagT:Some short forms?S3:e-book,e-mail,UFO,DNA,WTO,OPECT:You all did a good job.Now,please look at the screen and do the exercise.Three minutes later,Ill 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 mon language made it very difficult to intermunicate (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.intermunicate=inter-+municate 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,weve learned much about science and scientific achievement.Can you give an example of scientific achievement of China?Ss:On Oct.15,xx,Shenzhou was successfully sent up into space,realizing the Chinese dream of manned space flight.T:Yes.Its 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,weve going to read about some scientific achievements in China.First,lets 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 /rIdV：EI/ vt. 使返老还童；使恢复（青春）活力breakthrough /breIk，W：/ 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 /ImpresIv/ adj. 激动人心的；感人的；给人深刻印象的agency /eIdVEI/ n.（行政或职能）机构；代理机构announce /EnaJns/ vt. 宣布，宣告genome /dVi：nBm/ n. 基因组；染色体组element /elImEnt/ n. 元素；要素；组成部分evolution /：E：/ n. 发展；展开byte /baIt/ n. 计字节；比特superputer /,sju:E,E:E (r)/ n. 超级计算机humanoid /hju:ECId/ adj. 具有人的形状或特点的；类人的CStep ReadingT: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:Whod 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,puter 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 plete the chart after the passages according to what youve learnt from the text.After four minutes,Ill check your answers.Suggested answers:Exploring spaceAchievements:The Chinese space Agency has developed the highly successful Long March rocket series.Importance:The rockets are used to prepare for the nations first manned space flight.Genetic researchAchievements:Chinese scientists have pleted mapping out their part of the international human genetic project.Importance:It has proved that Chinese scientists are among the worlds best.It helps to solve the mysteries of life.puter engineeringAchievements:Chinese puter engineers have developed the superputer Shenwei.Importance:The nations first humanoid robot has been built.Medical scienceAchievements: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,lets 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 discussione.g.He is putting forward radical proposals for electoral reform.2.aim at:intend or try to do sth.e.g.We must aim at increasing exports.3.announce:make(sth.) known publiclye.g.They announced their engagement to the family.Have they announced when the race will begin?4.map out:present sth. in detaile.g.He mapped out his ideas on the news project.(Bb:put forward,aim at,announce,map out)CStep Listening and Reading AloudT:Now,Ill 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.)CStep WritingT:Well,up to now,weve read a lot about scientific achievements.Which words in the text can we use to describe scientific achievements?Prepare for a few minutes.Then Ill collect them from you.Suggested words:significant,outstanding,breakthrough(Then teacher deals with Writing.)T:Very good.Now,please look at the Writing part.Youve 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.Youd better read and study the tips at Page 8 carefully before writing your essay.You can begin now.If time permits,Ill 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 plexity 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 projects pletion 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.CStep Summary and HomeworkT:Now lets see what weve learnt in this class.First,weve read about some Chinas 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,weve practised writing a persuasion essay.We can use some words to describe scientific achievement.Moreover,weve learnt some useful words and phrases such as put forward,announceAfter class,please practise more to develop your ability to use English.So much for today.Goodbye.Ss:Goodbye.CStep The Design of the Writing on the BlackboardUnit 11 Scientific achievementThe Fourth Period.Areasexploring spacegenetic researchputer engineeringmedical science.Words and phrases:put forwardaim atannouncemap outCStep Record after Teaching