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1、1 Model7 Unit2 Two life-saving medicines Two life-saving medicines 学生学习活动 【活动一】 1活动目标：Make Ss have a brief understanding of the passage. 2活动方式：Ss practice. Read the passage quickly and then answer these questions. 1. When was aspirin first sold in the form of tablets? 2. When was penicillin first di
2、scovered? 3. What award did Fleming, Florey and Chain share? 【活动二】 1活动目标：make students get some details about the article 2活动方式：Ss practice Read the passage again and answer the following questions. 1. What other things can aspirin help with besides reducing fever and pain? 2. Where did Alexander Fl
3、eming find penicillin? 3. What illness did Fleming think the mould might be used to treat? 4. What difficulties did Fleming have in developing penicillin as a drug? 【活动三】 1活动目标：make students master the text structures 2活动方式： Ss practice Task- based reading Developments Two life- saving medicines Tim
4、e Events In 1897 Aspirin was produced by a 1._ _ chemist. In 1899 This medicine was 2. _ for the first time. In 1900 It was sold in shops in the form of tablets. Aspirin In 1953 Lawrence Craven introduced the idea that aspirin had the 3. 2 _ to reduce the risk of heart attacks. In 1971 Smith and Wil
5、lis 4. _ Lawrence Cravens idea. In 1977 A study showed that aspirin could prevent 5. _. In 2003 It was found that aspirin could 6. _ blood sugar levels. In 1928 Alexander Fleming 7. _ it. In 1940 Two other scientists managed to 8. _ it. They also made and tested the drug in large quantities. In 1944
6、 Mass 9. _ began. Penicillin In 1945 Three scientists 10. _ the Nobel Prize in Medicine. 【活动四】 1活动目标：review what we have learnt 2活动方式： Ss practice Aspirin: a medicine that was 1. _ in 1897. It has saved and brought relief to millions of peoples lives. It was made from a chemical called salicylic aci
7、d and was sold in shops in the 2. _ of 3. _ in 1900. It worked by reducing fever and pain. Study showed that aspirin could 4. _ the 5. _ of heart attacks and some cancers and could 6. _ strokes. There have been more discoveries that it can help people 7. _ diabetes and increase the 8. _ of peoples l
8、ives. Penicillin: a chemical in mould that was first 9. _ in 1928, but it was not until 1940 that penicillin was made and tested in large 10. _. Because there were many people injured in World War II, 11. _ production began in 1944. 12. _ to the 13. _ use of penicillin, many lives were saved during
9、the war. It increases the 14. _ of peoples health and is one of the most important medicines in 15. _ society. 【活动五】 1. 活动目标：make the Ss know more about medicine 2. 活动方式：students-centered practice Discuss and present the opinion What do you think the world would be like if there were no medicines? D
10、o you believe that new medicines will be invented to treat diseases like AIDS in the future?3 Model7 Unit2 Two life-saving medicines Language points 【学习目标】 1. Help students to learn some useful words and expressions 2. Enable students to master some important language points 3. Make use of the impor
11、tant words, phrases and sentences flexibly 【活动方案】 学生学习活动 【活动一】 1活动目标：培养学生自学的能力 2活动方式：学生练习 I Translate the following phrases 1. 集中于上 2. 打开 3. 对有益 4. 发生 5. 以形式 6. 最畅销的药 7. 减少心脏病的发作 8. 进行，执行 9. 以及，也 10. 延长人类寿命 11. 被认为是 12. 在当代 13. 在上试验某物 14. 不能做 15. 设法成功做某事 16. 大量的 17. 批量生产 4 18. 由于的广泛使用 II Read the fo
12、llowing sentences fluently 1. If you open up any medicine cupboard or go to any medicine counter in the world, it is likely that you will find aspirin and penicillin. 2. It was in 1897 that a European chemist called Dr Felix Hoffmann produced aspirin from this chemical. 3. Not only has aspirin prove
13、d vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with. 4. If penicillin had not been available, many people would have died from sickness or even small wounds. 【活动二】 1活动目标：让学生掌握重要单词，短语并能在练习中活用 2活动方式：学生读背，老师做适当讲解 1. Both of these medicines have s
14、aved millions of peoples lives and have proved beneficial to mankind since they were invented. beneficial adj. 有利的，有益的，有帮助的 A stay in the country for a period of time will be beneficial to your health. benefit 词性 benefit from . 词性 2. Lawrence Craven, a doctor from the USA, introduced the idea in 195
15、3 that aspirin had the potential to reduce the risk of heart attacks, because it helped the blood circulate better. 研读下列例句, 说出 potential 的意思和词性。 Although she has singing potential, she needs more special training. A number of potential buyers have expressed interests in the new products made by this company. 【归纳】 potential 词性 译为 词性 译为 3. He noted that a dish in which he was trying to grow bacteria f
