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2022年高中英语Unit 2 Fit for life-welcome导学案 牛津版选修7Learning aims :1. To learn more words about doctors, hospital and medicine;2. To learn about the development of two life-saving medicinesImportant and difficult points:1. To expand words and expressions about doctors2. To get basic knowledge of Aspirin and PenicillinLearning procedures: Step 1自主学习Try to translate some words and expressions about doctors,hospital and medicine1. the clinic_ 2.reception_3.the X-ray room_ 4.a consulting room_5.the ENT department_ 6.the emengency room_7.pharmacy_ 8.operating theater_9.a ward _ 10.the ICU_11.chemist_ 12.perform operations_13.acupuncture_ Expressions in Two life-saving medicines1. 开门,营业_ 2.以形式_2. 贯彻,执行落实_4.测试,试验_5. 大量的_ 6.因为,由于_7. 关系到,涉及到_8.此外,另外_9. 理解,明白_10.对起作用_Step 2 合作探究A. Fast reading. 1. When was aspirin first sold as a tablet?_2. What did Fleming, Florey and Chain share? _B. Careful reading Development of aspirin:In 1900:_In 1953:_In 1971:_In 1977:_In 2003:_Development of Penicillin:In 1928:_World War II:_In 1945:_Effects of aspirin:Effects of penicillin:C. read and finish the exercise C1 on P20.Step 3 展示交流Step 4 点拨总结How can we understand medical terms?Guess the meanings of the words ing from the same stem: medicine_ medical_medicinal_ pure_ purify_ chemical_ chemist_ bacterium_ bacterial_Guess the meanings of the pound words: painkiller_ heartbeat_Words with irregular plural forms:bacteria bacteriumStep 5 巩固练习Fill in the blanks with proper words according to the reading material.W: Id like to know about the two medicinesaspirin and penicillin. Could you please tell me something about them?M: Ill be glad to. If you open up any medicine cupboard in the world, it is (1)l_ that you will find aspirin and penicillin. Both of them have saved many peoples lives since they were invented.W: When was aspirin invented?M: I dont know for sure, either. 3,500years ago, people (2)c_on leaves or drank a kind of tea made from leaves (3)p_ a special chemical to reduce body pains and fever.In 1897, a European chemist produced ASA from some chemicals to make a medicine for his father. The first (4)t_ of this medicine took place in 1899 when the powder form began to be used with(5)p_. In 1900, it was sold in shops as a tablet which became the 6) best-s_ medicine in the world for pain relief W: Besides reducing fever and pain, what other functions does it have?M: It can also help reduce the risk of heart attacks and colon cancer and so on.W: What about penicillin?M: Penicillin was (7)d_ by a Scottish scientist in 1928.He thought it might help in treating wounds and illness (8)c_by bacteria. But it was not until World War II that two other scientists managed to use new (9)c_ techniques to purify it and then produced it in large (10)q_. Thanks to it, many lives were saved during World War II. It can also treat other illnesses including pneumonia.W: Ive learned a lot today. Thank you.M: Its a pleasure. Step 6. Homework 非常学案P15:重点单词;重点短语学习感悟: 1. 我学会了:_2. 我的困惑是(还有哪些不理解的地方):_Answers:A. Fast reading.1. In 1900.2. The Nobel Prize.B. Careful reading Development of aspirin:In 1900: sold in shops as a tabletIn 1953: reduce the risk of heart attacksIn 1971: proved to reduce the risk of heart attacksIn 1977: used to prevent a strokeIn 2003: used to reduce blood sugar levelsDevelopment of Penicillin:In 1928: discovered by Alexander FlemingWorld War II: found new chemical techniques to purify itIn 1945: all the scientists shared the Nobel PrizeEffects of aspirinReduce feverHelp stop body painsReduce the risk of heart attacksPrevent a strokeReduce the risk of colon cancerIncrease the length of peoples livesHelp with diabetesEffects of penicillinHelp in treating wounds and infectionsTreat other illnesses including pneumoniaStep 5 巩固练习1. likely 2.chewed 3.possessing 4.trials 5.patients 6.sellings7.discovered 8.caused 9.chemical 10.quantities
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