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2015-2016学年北师大版 选修七 unit 21 Human Biology Lesson 1 Super Athletes B课件 (31).ppt

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1、Unit 21 Human Biology,100 metres in 8 seconds?,Lesson 1 Super Athletes,understand the passage andbe clear about the structure .,2. talk about some issues related to doping and gene-therapy.3. write a passage about athletes, doping and gene-therapy.,Objectives,By the end of this lesson, you will be a

2、ble to,Maurice Greene He is a former 100 m world record holder with a time of 9.79 seconds.,Floyd Landis He is an American cyclist.,Marion Jones The fastest woman athlete in the world and the winner of three gold medals at the Sydney Olympics,Florence Griffith She holds the world records in the 100

3、meters and 200 meters races.,Ben Johnson He beat Carl Lewis in the 100-meter dash with a world record time of 9.79.,Super Athletes,Pre-reading,1.What is the trend of the records ?2. Why athletes performances improved year by year?,Discussion,Pre-reading,New words,1. I am amateur in photography, but

4、my sister is really professional. 2. The principle is the supreme controller of the school. 3. It is reported that Michael Jackson died from drug abuse. 4.The witness statements contradict each other and the facts remain unclear. 5. The media regularly violates celebrities (famous people) privacy.,I

5、dentify the meaning of the new words in the sentences.,New words,6. The Oscar Awards Ceremony is held annually, it is held every year.7. If you make lame excuses for being late, It means the excuses are not convincing and your teacher wont believe you.,Identify the meaning of the new words in the se

6、ntences.,Fill in the blanks with words learnt.,This case has been referred to the _ court to examine. His acts and doings have already _ the law and he should be punished. Taking drugs obviously _ the spirits of Olympics. Our actors were all enthusiastic _ Those captives were physically_. We hold an

7、 _sports meeting and art festival in our school.,supreme,violated,contradict,amateurs,abused,annul,Bolt finished first in the 100-meter in 2008 Beijing Olympics, and he is a _star.,dash,track and field,New words,Match the following words.,Superb Superior to Supreme,Better than Excellent Highest/ bes

8、t.,New words,Task 1. Task 2.,While-reading,Fast reading,Careful reading,1. What is the literature type of the passage? 2. What is the general idea?P34 ex2.argumentative writing. C,Task 1 Fast Reading,Fast -reading,Circle the structure of the passage.,Main idea (s)Supporting detailsConclusion,FactsOp

9、inions Conclusion,Fast -reading,Divide the passage into three parts and fill in topic of each part within 5 words,1-2,Records have fallen,3-7,Doping and gene-therapy,Olympic spirit,8,Fast -reading,Task 1: True of false exercise Task 2: Detailed understanding. Task 3: Fill in the chart.,Careful readi

10、ng,Task 1 Careful Reading,- decide whether the followingsentences are True or False.,According to the whole text :better equipment, training and diet are the reasons given for improved performance. 2. Ben Johnson was still be the 100 meters world record holder because he had taken drugs in the 1988

11、Olympics.,F,F,Careful reading,3. Doping can help athletes enhance their performance, however, the drugs also cause serious health problems in later life for those who abuse them. 4.Doping is only a problem in athletics.5.The Olympic spirit of competition emphasizes winning rather than taking part .,

12、Task 1 Careful Reading,T,F,F,improve something:,Good lighting will enhance any room.,Careful reading,Why would the athletes today have broken records if theyd taken part in the first Olympic Games?,2. What is doping and why is it illegal?,3. Why are drug tests at sporting events often on step behind

13、?,4. What would the effect of gene-therapy be on sport?,-answer the following questions,Task 2 Comprehension,Careful reading,Task 2 Comprehension,-answer the following questions,Because athletic performances have continually improved.,Taking the drugs which are originally developed to help people wi

14、th illnesses but can make athletes faster and stronger in wrong hands is known as “doping”.Because it is cheating,Task 2 Comprehension,It is only compulsory for winners to be tested but other participants are only tested at random. Besides, new drugs are developed all the time and drug tests for spo

15、rting event are often one step behind,Task 2 Comprehension,must be done 9 years of compulsory education compulsory automobile insurance,without any definite plan,Task 2 Comprehension,Gene-therapy can build athletes muscle and increase strength by changing their genes.,Task 3,Enhancing drugs,Gene-the

16、rapy,Original function,Functions for athletic purpose,Peoples attitude,Examples,They are developed to_,They create_by making them_and_,The practice is not_ in the sport world because it is the _ form of cheating,1_ 2_3_ 4_,For_,To _ muscle and _ the strength by _,It is still _ and many people _ the

17、further research.,help people with disease,supreme,athletes,faster,stronger,tolerated,Ben Johnson Florence Griffith Marion Jones Floyd landis,Medical purpose,build,increase,changing peoples genes,controversial,oppose,fundamental,to allow people to do Our teacher wont tolerate any cheating on exams.,

18、The most basic and important New programmers sometimes make fundamental errors.The fundamental principles of liberty and equality,causing a lot of disagreement, Zhang Ziyi is a controversial figure these days.,to disagree with something Father does not oppose the idea at all. Opponent Opposite,Enhan

19、cing drugs,Gene-therapy,Original function,Functions for athletic purpose,Peoples attitude,Examples,They are developed to_,They create_by making them_and_,The practice is not_ in the sport world because it is the _ form of cheating,1_ 2_3_ 4_,For_,To _ muscle and _ the strength by _,It is still _ and

20、 many people _ the further research.,help people with disease,supreme,athletes,faster,stronger,tolerated,Ben Johnson Florence Griffith Marion Jones Floyd landis,Medical purpose,build,increase,changing peoples genes,controversial,oppose,fundamental,Summary,Because of better equipment, training and di

21、et, the athletes performance _ year after year. But recently, doping is used to create _ Doping can also cause serious health problems for those who _them. Sports world doesnt _ doping because it is considered as _ form of cheating. For example: Floyd Landisthe winner of the _ cycling race made _ ex

22、cuses but these were _ However drug tests are only _ for winners , other participants are tested _. Another big threat is gene therapy. Many people _ further research into it because it would _the Olympic spirit which has been _d by the desire to succeed _.,oppose,contradict,tolerate,supreme athlete

23、s,compulsory,improve,abuse,at all costs,d,fundamental,annual,in vain,lame,at random,violate,Group discussionThe 2012 Olympic Games will be heldin Britain, in order to prevent and stop the athletes doping and taking gene-therapy, what are your suggestions to the government or the Olympic Committee ?,

24、The 2012 Olympic Games will be held in Britain, in order to prevent and stop the athletes doping and taking gene-therapy, what are your suggestions to the government or the Olympic Committee ? Write a passage of your opinion in about 100 words, the title is given: “ No doping and gene-therapy in Oly

25、mpics” Part 1: Introduce the problem in and state the facts Part 2: the disadvantage or harm of taking illegal drugs. (in body? in moral?.) Part 3: your suggestion. (in medical science? Education? Examination? Rewards and Punishment? ),Writing A,Writing B,In the English class, your English teacher show you a picture. Describe the picture and write down how you understand it.,

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