北师大版英语unit 21,L1课件.ppt

Lead in ;菲尔普斯 Michael Fred Phelps  He won 8 gold medals in swimming at the 2008 Olympics in Beijing .;;刘翔 the champion of 110-meter hurdle in 2004 Olympic Games with the record of 12.91 seconds.;Floyd Landis 2006年环法自行车赛冠军, 第三位获此殊荣的美国人 ; 乌塞恩·博尔特 (Usain Bolt) , 牙买加 田径运动员 The Champion of men’s 100m and 200m in 2008 Beijing Olympic Games , he also broke the records of the two events. The record for 100m : 9.69 seconds The record for 200m: 19.30 seconds;The men’s 100-meter world record has been tied to broken many times since Maurice Greene of the United States broke the 10-second barrier in 1999. Is it possible for the man to finish the 100 metres in 8 seconds ? ;100 metres in 8 seconds?;1. To read about athletes, doping and gene-therapay;enhance supreme tolerate doubtful seek annual ;abuse vt. 滥用;violate vt. 违反，违背;fundamental adj.根本的，基本的;controversial adj.有争议的oppose vt. 反对;1.Read the text again, match the key information with each part. 2.Finish Ex 2 to get the general idea. ;Records have fallen;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.;Task 2 : Careful ReadingDecide whether the following sentences are True or False.;True or False;Read the text carefully and answer the questions of Ex3.1. Why would the athletes today have broken records if they’d taken part in the first Olympic Games?2. What reasons are given for improved performance? 3. What is doping and why is it illegal? 4. How did the drugs affect world records in the 1980s? 5. Why are drug tests at sporting events often one step behind? 6. What would the effect of gene-therapy be on sport? 7. What is the Olympic spirit? ;;