高中英语 Unit2 Fit for life课件 牛津版选修7 课件VIP免费

Unit2 Fit for lifeReading1:Two life-saving medicines--Let’s warm upFill in the blanks• A good _________ tastes bitter.• Laugh is the best ____ in the world• There is no ______ against death.Question:What do good medicines have in common?Although there is no medicine against death, but good medicines can make people feel better, and save people’s lives.• Words coming from the same stem [stem] 词根 :• Words that are compound words:• Words with irregular plural forms:Understand some medical terms Words coming from the same stem :• medicine, medical, medicinal; • [me‘disinl] adj. 有疗效的，药用的• pure, purify;• chemical, chemist;• bacterium (n.), bacterial (adj.)• [bæk‘tiəriəm] 细菌 [bæk'tiriəl] 细菌的Words that are compound words:• painkiller• blood-thinning• heart attack• acetylsalicylic acid Words with irregular plural forms:• bacterium [bæk'tiəriəm] n. (sing) 细菌• bacteria [bæk'tiəriə] n. (pl) 细菌1.When did people find drinking a special tea could reduce fever and pain?2.When was ASA first made from other chemicals?3.Where did Alexander Fleming find penicillin?4.When was penicillin produced in large quantities?5.What did Fleming, Florey and Chain share?Sold in shops as a tablet19001928World War II1945As the best-selling painkiller recorded in the Guinness Book1950197119772003Proved to be a blood-thinning medicineDevelopment of Aspirin:19001928World War II19451950 197119772003Could prevent a strokeCould reduce blood sugar levels19001928World War IIFound new chemical techniques to purify itAll the scientists shared the Nobel Prize19451950197119772003Discovered by Alexander FlemingDevelopment of Penicillin:Read the passage again and try to fill in the form below.Effects of aspirinreduce fever and help sto...