江苏省江阴市成化高级中学高中英语 Unit2 Fit for life Reading Two life saving medicines教案 牛津译林版选修7 (2).doc

reading two life-saving medicinesteaching aims:1. gain the gist through first and second reading.2. practice students listening ability.3. improve students thinking ability through discussion.4. understand some medical terms.step1: lead-inhave you ever taken medicines? what medicines have you ever taken? and what do you know about them?please talk about your own experiences with medicines.step 2: fast reading for general ideasgo through the passage as quickly as possible and try to find answers to the three questions in part a on page 18. pay attention to the title so that you can identify the most important information as soon as possible.step 3: detailed reading for important information1. read the passage a second time and complete part c1 and part c2.2. read the article again and fill in the form below so that you can understand the use of the two medicines introduced in the article.effects of aspirinl reduce feverl help stop body painsl reduce the risk of heart attacksl prevent a strokel reduce the risk of some cancersl increase the length of peoples livesl reduce blood sugar levels help people with diabeteseffects of penicillinl help in treating wounds and infectionsl kill bacteria to treat illness3. pay attention to the medical terms in the reading passage. underline the words and put them in correct categories.words coming from the same stemmedicine, medical, medicinal; pure, purify; chemical, chemist; bacterium, bacterialwords that are compound wordspainkiller; blood-thinning; heart attack; acetylsalicylicwords with irregular plural formsbacteria, bacteriumstep 4: practice:1. complete part d. you may refer to the reading passage on pages 18 and 19 for some help.2. part e is about two entries in a childrens encyclopedia, one about aspirin and the other about penicillin. please finish it.step 5: post-reading activities1. you will be divided into groups of four to introduce the development of aspirin and penicillin to other group members with the help of the timeline in part c2.2. search for more information about the scientists who have invented aspirin and penicillin. give a brief introduction of the scientists.3. read the instructions for part f and discuss the questions listed.step 6: key points:vocabularywordshistorian, recipe, physician, bark, acid, chemist, trial, tablet, milligram, standardize, painkiller, author, thin, length, contemporary, scottish, note, transparent, application, name, unable, chemical, purify, quantity, mass, widespread, lung, powerful, wonder, relief, potential, fundamentaluseful expressionsopen up, heart attack, in large quantities, millions of, figure out, be made from, have a influence onsentence patterns1. it was not until world war ii that2. it was over a decade beforestep 7: homework:part a on page 114 and part b on page 115 of the workbook.resourcesstrokestroke is a very common disease for middle-aged and older people. a blood vessel to the brain is blocked or ruptured and so patients feel a sudden loss of brain function when they have strokes. the disease causes a lot of damage to the body, and in some cases, even death. diabetesdiabetes is a disease where sugar levels in the blood are too high. people with diabetes are unable to pro