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北师大版高二下Unit21《Human Biology》(Lesson 1)ppt课件1

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dash n. 短跑 Maurice Greene Ben Johnson Usain Bolt Lesson 1 Super Athletes By Zhu Hong Hefei NO.8 Senior High School Learning objectives: ? At the end of this lesson, you will: ? 1. Understand the text and get the main information. ? 2. Talk about doping, gene therapy and Olympic spirit using the information in the text. ? 3. Express your opinions towards doping, gene therapy and Olympic spirit. ? Lead in The world record of men’s 100 meters athlete Ben Johnson (the U.S.A) Maurice Greene (the U.S.A) Usain Bolt (Jamaica) record 9.86s 9.84s 9.58s time 1987 1998 2009 The figure of the record … has fallen year after year. The athletes’ performances have … continually improved. What is the general idea of the passage? a) The athletes who took part in the first Olympic Games are not as fast as athletes today. b) Doping is a huge problem in the sporting world. c) The present and future of the sporting world is being seriously and negatively affected by doping and gene-therapy. d) Ben Johnson, Florence Griffith and Floyd Landis have all shocked the world by their speed. Fast-reading:Find a topic for each paragraph Gene-therapy a.“Gene -therapy” is the real threat. 7 b. The effect of doping. doping 3 spirit has been violated. 8 c. The Olympic spirit d. Records fall year after year. 1 e. Doping is a kind of cheating. 4 f. Records fall but not because of improvement. 2 illegal drugs is not easy to catch. 6 g. Using illegal drugs ? h. Doping is a part of every sport. 5 Part one. (1-2) Doping Part two. (3-6) Records have fallen Part three. (7) Olympic spirit Part four. (8) Gene-therapy Detailed reading PartⅠ(para1-2): 1. What reasons made athletes’ performances improve? It is due to better equipment, training and diet. 2. How are their performances recently? Recently, athletes’ improvements have begun to slow down. In order to enhance their performances, they use Doping Gene-therapy Part Ⅱ (Para.3-6) Doping are originally developed to help people with illness 1.________________ But in the wrong hands, doping creates supreme athletes 2._______________. It also causes serious health problems 3.__________________for abuse them. those who 4.______ Doping affects both athletics and every sport 7. ___________. attitude use It’sdifficulty not easy to catch using illegal drugs because: result/effect 8.It’s__________for winners compulsory The sports world tolerate doesn’t 5._______ doping as it is a form cheating of 6.____________ to be teste



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