20090211高二英语（reading1_U2_M7）.pptVIP

Unit2 Fit for life Have you ever received medical treatments? What did it feel like? Have you ever taken any medicine? What is the most important medicine in your opinion? Read the subtitles and tell me what the two medicines mentioned in the text are. Listen and focus on the different dates Finish C2, Page20 Development of Aspirin: In 1900: sold in shops as a tablet In 1950: as the best-selling painkiller recorded in the Guinness Book In 1971: proved to be a blood-thinning medicine In 1977: used to prevent a stroke In 2003: used to reduce blood sugar levels Development of Penicillin: In 1928: discovered by Alexander Fleming World War II: found new chemical techniques to purify it In 1945: all the scientists shared the Nobel Prize Read again and answer: C1, Page20 (1, 4, 6) Effects of aspirin Reduce fever Help stop body pains Reduce the risk of heart attacks Prevent a stroke Reduce the risk of colon cancer Increase the length of people’s lives Help with diabetes Effects of penicillin Help in treating wounds and infections Treat other illnesses including pneumonia Summarize (E,P21) Keys: invented ASA tablet recommended published discovered available contemporary Pay attention to: words coming from the same stem words that are compound words words with irregular plural forms words composed of chemical names What do you think the world would be like if there were no medicines? Do you believe that ‘wonder drugs’ will be invented to treat diseases like AIDS in the future? 中 / 西药 Chinese / western medicine 内服 / 外用药 medicine for internal / external use 成药 / 饮片 patent medicine / cut crude drug 处方药 / 非处方药 prescribed / nonprescribed drugs ( over-the-counter drugs ) 国药准字 国药准字Bxxxxxxxx 国药准字Sxxxxxxxx 国药准字Zxxxxxxxx Find out another two medicines in PartF,P21 P