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北師大版高中英語選修七unit 21《human biology》(lesson 1)課件1-文庫吧

2024-10-28 15:04 本頁面


【正文】 ly and answer some questions. 1. Why would athletes today have broken records if they’d taken part in the first Olympic Games? 2. What reasons made athletes’ performances improve? Athletes are stronger and faster today than they were during the time of the first Olympic Games. Better equipment, training and diet. 3. What is doping and why is it illegal? Doping is using performanceenhancing drugs and it is illegal because it is cheating. Doping In order to enhance their performances, they use Genetherapy 4. How did the drugs affect world records in the 1980s? Ben Johnson was caught taking drugs when he broke the 100 metres world record in the 1988 Olympics and no one knows if Florence Griffith was taking drugs when she set the women’s 100m record the same year. Ben Johnson was caught taking drugs in the 1988 Olympics 5. Why are drug tests at sporting events often one step behind? Drugs tests are only developed after the new drugs are being used. This means that there is a time period when people are using the new drugs and no one knows about them. 6. What would the effect of genetherapy be on sport? It would create super athletes who could do the 100m in just 8 seconds for example, and no one would know if they’d had genetherapy or not. This would spoil the spirit of sport. 7. What is the Olympic spirit? The spirit of petition emphasizes taking part rather than winning. Two things to worry about when it es to breaking records 1. __________ 2. ___________ Doping Genetherapy Doping creates 3. ______________, but it also causes ______________. The sports world doesn’t tolerate doping as it is a form of 5. _______ Doping is
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