北師大版高中英語(yǔ)選修七unit21humanbiologylesson1課件1-在線瀏覽
2025-01-20 15:04本頁(yè)面
【正文】 ct 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 a problem not only in 6. _______ but also in part of every sport. 7. __________ are developed all the time so it is not easy to 8. _________________ _________________ supreme athletes serious health problems athleticsNew drugs cheating catch athletes using illegal drugs Doping Both doping and genetherapy violate ____________________________. For a 9. ____________ purposes, scientists have found how to change people’s gene, and in the future a generation of 10. _____________ with enhanced genes might be c
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