牛津译林版选修七Unit 2 Fit for life （Period Two）课件1.ppt

Unit 2 Fit for life Unit 2 Reading Two life-saving medicines What’s this medicine called in English? Aspirin And what’s this medicine called in English? penicillin 1. Have you ever taken aspirin and penicillin? What illnesses can the two medicines cure? 2. What else do you know about these two medicines? Alexander Fleming Do you know this man with glasses? Read as quickly as you can and find the answers to the following questions. Fast reading 1. What are the two medicines mentioned in the article? 2. When was penicillin first discovered? 3. What did Fleming, Florey and Chain share? In 1928. The Nobel Prize in medicine. Aspirin and penicillin. 1. When was aspirin first made? 2. When did people find that drinking a special tea could reduce pains and fever? In 1897. Read the passage carefully and answer some detailed questions: Detail reading Nearly 3,500 years ago. 3. What other things can aspirin help with besides reducing body pains and fever? It can also help reduce the risk of heart attacks, prevent strokes, reduce the risk of some cancers, increase the length of people’s lives and help with diabetes. 4. Where did Alexander Fleming find penicillin? In a mould that killed bacteria. 5. What illnesses did Alexander Fleming think the mould might be used to treat? It might be used to treat illnesses caused by bacteria. 6. What difficulties did Fleming have in developing penicillin as a drug? First he was unable to find a procedure to make penicillin pure enough to work as a medicine. Second, it was difficult to produce penicillin in the ample quantities needed to be effective. Further reading Read the passage again and try to fill in the following form. The development of aspirin Time Development 1900 1971 sold in shops in the from of tablets Proved to reduce the risk of heart attacks Time Development 1977 2003 used to prevent strokes used to reduce blood sugar levels The development of penicillin Time Development 1928 1940 1944 discovered by Alexander Fleming made and tested in large quantities mass production began Effects of aspirin: reduce fever help stop body pains reduce the risk of heart attacks prevent strokes reduce the risk of some cancers increase the length of people’s lives reduce blood sugar levels and helps with diabetes Effects of penicillin help in treating wounds and infections treat illnesses caused by bacteria Answers of activity D: 1. ____ 2. ____ 3. ______ 4. ____ 5. ____ 6. ______ 7. ____ f a d g b c e Answers of activity E: 1. ___________ 2. ____________ 3. ___________ 4. ____________ 5. ___________ 6. ____________ potential effective unable abnormal application sicknesses Reading strategy: understanding medical terms Words coming from the same stem: Words that are compound words: Words with irregular plural forms: medicine medical ; chemical chemist life-saving, best-selling, widespread bacterium bacteria 1. What would the world be like if the two medicines had not been discovered? 2. Do you believe that new medicines will be invented to treat diseases like AIDS in the future? Disscussion Write a brief introduction to the two medicines. Finish the exercises in the workbook. Homework