1、,Unit2 Fit for life,Reading1: Two life-saving medicines,The title of this unit is “Fit for life”, it means we should try to keep fit. However, as we all know, can we always keep ourselves fit? Of course not. Then, when we are not fit, what can we do ?,lead-in,If we have some serious diseasesin our b
2、odies, we can have an _.,operation,If your eyesight is not good, you can go to see an _ and wear a pair of _.,eye doctor,glasses,Then, do you know what kind of medicines or treatments we need when we catch some small illnesses ,such as a cold? Now , lets enjoy a story. You may get answer from it.,Pe
3、ople may take medicines when they are ill. Now can you guess what medicine the doctor will give the girl to cure her cold and cough? Do you know some medicines that can do the job?,Do you know what they are?,aspirin,penicillin,What else do you know about these two medicines?,Short introduction of th
4、ese two medicines in Chinese:,阿司匹林是历史悠久的解热镇痛药，它诞生于1899年3月6日。到目前为止，阿司匹林已应用百年，成为医药史上三大经典药物之一，至今它仍是世界上应用最广泛的解热、镇痛和抗炎药，也是作为比较和评价其他药物的标准制剂. 在漫长的医药发展史中，人类发明了难以计数的各种药物，它们不断地更新换代，为人类战胜邪恶的病魔助上一臂之力。然而有一种药物至今仍药效不减，风行天下。它就是杀灭病菌的灵丹妙药棗青霉素（英文音译又称盘尼西林）。它具有广谱的抗菌功能，副作用少，且不易使病菌产生抗药作用，所以从它诞生之日起，就被人们视为“神药”。,When was one
5、 of the medicines first sold as a tablet? What did Fleming, Florey and Chain share?,1st reading,In 1900.,The Nobel Prize.,Read the article again by yourselves and try to do C1 on page20.,2nd reading,Keys: 1.About 2500 years ago. 2. In 1897.,3. It can also help reduce the risk of heart attacks by thi
6、nning blood, prevent a stroke, reduce the risk of colon cancer, increase the length of peoples lives and help with diabetes.,4. In the mould that killed bacteria. 5. It can be used to treat bacterial illnesses and other illnesses including pneumonia.,6. Because Fleming discovered penicillin and the
7、others turned it into the great drug which save millions of lives.,Development of Aspirin: In 1900: In 1950: In 1971: In 1977: In 2003:,3rd reading,Development of Aspirin: In 1900: sold in shops as a tablet In 1950: as the best-selling painkiller recorded in the Guinness Book In 1971: proved to be a
8、 blood-thinning medicine In 1977: used to prevent a stroke In 2003: used to reduce blood sugar levels,Development of Penicillin: In 1928: World War II: In 1945:,Development of Penicillin: In 1928: discovered by Alexander Fleming World War II: found new chemical techniques to purify it In 1945: all t
9、he scientists shared the Nobel Prize,Aspirin has saved many peoples lives by reducing fever and helping stop p_. Lawrence Craven introduced the idea that aspirin could reduce the r_ of heart attacks by thinning blood. In 1971, Smith and Willis p_ that aspirin was a blood-thinning medicine and a stud
10、y showed that a chemical in aspirin could prevent a s_. In 2003, a Chinese doctor found that this chemical could reduce blood s_ levels and help people with diabetes.,Aspirin,pain,risk,proved,stroke,sugar,Penicillin, discovered by Alexander Fleming in 1928, is c_ to be one of the most important medi
11、cines in contemporary s_. Howard Florey and Ernst Chain managed to use new chemical t_ to purify it to be a medicine. Due to its widespread use, many lives were saved during World War II. Penicillin is also used to treat other illnesses i_ pneumonia. In 1945, Fleming, Florey and Chain s_ the Nobel P
12、rize in Medicine for their work.,Penicillin,considered,society,techniques,including,shared,How can we understand medical terms? Can you find:,Reading strategy,Words coming form the same stem : Words that are compound words: Words with irregular plural forms:,Words coming from the same stem:Medicine,
13、 medical, medicinal; Pure, purify Chemical, chemist; Bacterium, bacterial,Words that are compound words:painkiller blood-thinning heart attack acetylsalicylic,Words with irregular plural forms:bacteria bacterium,What do you think the world would be like if there were no medicines? Do you believe that wonder drugs will be invented to treat diseases like AIDS in the future?,discussion,Do you believe that someday people will invent some pills to keep us energetic all day? 插入flash特效药,discussion,After class, please do the exercises in Part D and Part E on Page20&21.,homework,
