模块7_unit2_reading朱海霞.ppt

1、Two life-saving medicines,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,Do you know what they are?,aspirin,penicil

2、lin,Do you know what illness these two medicine can cure?,When was aspirin invented? What did Fleming, Florey and Chain share?,Fast-reading,In 1897.,The Nobel Prize.,Read the first paragraph carefully and answer some detailed questions:,Detail reading,Part one Aspirin,1.When did people find that dri

3、nking a special tea could reduce fever and pain?,About 3,500 years ago,2. When was aspirin first made from other chemicals?,In 1897,complete the form about the development of aspirin in the ancient time,chewed on leaves or drink a kind of tea possessing a special chemical,made a juice from a tree ba

4、rk containing salicylic acid,Aspirin was invented.,The first trials in powder form took place,Read the second paragraph and try to fill in the form below.,complete the form about the development of aspirin in the modern time,sold in shops as a tablet,became the best-selling painkiller in the world,u

5、sed to prevent a stroke,proved to reduce the risk of heart attacks,used to reduce blood sugar levels,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 peoples lives,Penicillin,Part two,Rea

6、d 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?,Penicillin,Part two,1. Where did Alexander Fleming fi

7、nd penicillin? 2. What illnesses did Fleming think the mould might be used to treat?,In a mould that killed bacteria.,It might be used to treat illnesses caused by bacteria.,Penicillin,Part two,3. What difficulties did Fleming have in developing penicillin as a drug?,First he was unable to find a pr

8、ocedure 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.,Penicillin,Part two,help in treating illnesses and wounds,save millions of lives,Further reading: Read the passage again and try to fill in the

9、 form below,Consolidation,Fill in the blanks with proper words according to the reading material.,ancient,pains,out,form,best-selling,potential,by,accident/chance,application,possible,Discussion,1.What do you think the world would be like if there were no medicines? 2.Do you believe that wonder drugswill be invented to treat diseases like AIDS in the future? 3.Do you believe that someday people will invent some pills to keep