模块7_unit2_reading朱海霞.ppt

Do you know what they are? When was aspirin invented? What did Fleming, Florey and Chain share? Read the second paragraph and try to fill in the form below. Discussion 1.What do you think the world would be like if there were no medicines? 2.Do you believe that ‘wonder drugs’will be invented to treat diseases like AIDS in the future? 3.Do you believe that someday people will invent some pills to keep us energetic all day?  * As we all know, health is very important to everyone. Do you know how to keep healthy? Lead-in right food regular exercise enough sleep quit smoking/drinking When people fall ill, what will they do ? have an injection take medicine aspirin penicillin Do you know what illness these two medicine can cure? In 1897. The Nobel Prize. Read the first paragraph carefully and answer some detailed questions: Part one Aspirin 1.When did people find that drinking a special tea could reduce fever and pain? About 3,500 years ago 2. When was aspirin first made from other chemicals? In 1897 3,500 years ago Development Time in 1899 in 1897 2,500 years ago chewed on leaves or drink a kind of tea possessing a special chemical made a juice from a tree bark containing salicylic acid Aspirin was invented. The first trials in powder form took place In 2003 In 1977 In 1971 In 1950 In 1900 sold in shops as a tablet became the best-selling painkiller in the world used to prevent a stroke proved to reduce the risk of heart attacks used to reduce blood sugar levels Effects of aspirin reduce fever help stop body pains reduce the risk of heart attacks prevent a stroke and help with diabetes reduce the risk of some cancers increase the length of people’s lives Read the second part, and answer the following questions. 1. Where did Alexander Fleming find penicillin? 2. What illnesses did Fleming think the mould might be used to treat? 3. What difficulties did Fleming have in developing penicillin as a drug? 1. Where did Alex