北京農(nóng)大附中unit21humanbiology-文庫(kù)吧在線(xiàn)文庫(kù)
【正文】 t is a form of Doping affects both athletics and 7. ___________. It’s not easy to catch using illegal drugs because： ’s__________for winners to be tested. developed all the time. tests are_________ _________________ Read and fill in the blanks supreme athletes serious health problems help people with illness tolerate cheating pulsory New drugs one step behind every sport use attitude result/effect trouble abuse Gene therapy Read and find Read Para. 7 and find out some information about gene therapy. use attitude possible result possible trouble It is to _____________ and _______________ by changing genes. Many people _________ further research into it. Athletes might be able to do the__________ dash ____________。 marathon in less than two hours. contradict optional ※ The Olympic spirit emphasises winning rather than taking part. Read Para. 8 to judge whether they are true or false and correct the false ones: ※ The Olympic spirit has been violated by the desire to succeed at all costs. taking part winning True or False ※ if doping and gene therapy continue to affect the spo
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