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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Cancer,Heart disease,Tooth pain,Cold,Flu,Bird flu,Cancer,Heart disease,Tooth pain,Cold,Flu,Bird flu,virus,/,mould.,antibiotics,抗生素,抗生学,kill,epidemic,(infected),the father of antibiotics,Sir Alexander Fleming,London,penicillin,Para.1,Para.2,Para.3,Para.4,Para.5,Fleming was excited about his discovery,but other scientists showed no interest.,Penicillin played a very important role during World War and also at present.,Fleming discovered a mould that can kill bacteria by accident.,Health,care in the past was often dangerous and risky.,Alexander Fleming invented many ways to treat the wounded during World War I.,Main idea of each paragraph:,Careful Reading,1.Why was health care often dangerous and,risky?,2.What did a German chemist develop?,3.What did Fleming see when he was washing,the jars and lids?,4.Why did Fleming keep trying to develop the,chemical?,1.Why was health care often dangerous and,risky?,Treatments were neither scientific nor effective,and many patients suffered deadly infections as a result of operations and even a small cut could cause an infection that would kill the patient.,2.What did a German chemist develop?,In the early 1900s,a German chemist developed a chemical treatment for a serious disease that had been considered incurable.,3.What did Fleming see when he was washing,the jars and lids?,He found a mould was growing in one of the jars.And he also noticed that the bacteria around the mould had died and stopped growing.,4.Why did Fleming keep trying to develop the,chemical?,Because the chemical was not safe and effective enough.It was not until World War II that Fleming and two other scientists developed a kind of penicillin that was very effective in curing infections.,True or false,The discovery of mould is a story of an accident.,In the early 1900s,Fleming developed a chemical treatment for a serious disease.,During the first World War,Fleming was not able to cure the soldiers by fighting infections.,T,F,F,True or false,4.Alexander Fleming had grown bacteria in the old glass containers,to develop mould.,5.Although other scientists showed,no interest in his discovery,Fleming,continued his research work.,6.In 1945,Fleming won the Nobel Prize alone.,T,F,F,Reading,Read the text and choose the best answer.(On Page 80),Important Phrases:,1.,治疗疾病,2.,造成感染,3.,死于感染,4.,导致他有新发现,5.,有更大意义的发现,6.,清理实验室,7.,同疾病作斗争,8.,获得诺贝尔奖,9.,和,一起,10.,询问某人,cure diseases,cause an infection,die from infections,lead him to his new discovery,a discovery of great significance,clean up the lab,fight diseases,receive the Nobel Prize,together with,ask,sb,.about,sth,.,Important Phrases:,11.,由于,12.,一位名叫,Tom,的医生,13.,治疗伤员,14.,停止生长,15.,第二次世界大战,16.,被充分承认,as a result of,a doctor named Tom,treat the wounded,stop growing,World War II,be fully recognized,Which of the characteristics do you think,helped Alexander Flaming discover penicillin?,Explain your choices,.,devotion to duty full of confidence carefulness,perseverance sacrifice aggressive intelligence,sense of responsibility sympathy observation,interest willingness,What can we learn from Alexander Flaming?,1.is a natural mould that is easy to grow and use.,2.will make hospitals safer,3.can cure infections,4.kills bacteria,5.can be used to treat diseases.,penicillin,_helped Flaming discover penicillin.,_as a result,Flaming discovered penicillin.,_led to Flaming s discovery of penicillin.,Eg,:,Suppose you were Flaming,and would,be interviewed by the reporters.Tell them,what you have discovered and what it can,be used for and so on.Lets work in four.,interview,According to what you,have discussed now,imagine you are Flaming,write a letter to a,famous medical journal,to tell about your,discovery.,Homework,If time is limited,leave the writing part,as homework,1)He looks as if he were an artist.,Compare:It looks as if it going to rain.,2)it looks as if it might rain.,3)He talked as if he had been to London.,-The chance of rain is small.,-It is likely to rain.,-In fact he didnt go to London.,-In fact he isnt an artist.,e.g.,Thank you!,
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