高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists精品教学作业课件ppt

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UNIT1 SCIENCE AND SCIENTISTSReading And Thinking 导学案课前预习区预习自测根据词义写出正确的单词1. n.霍乱2.____ adj.极为恶劣的;十分严重的;严厉的3. n.腹泻4. n.脱水5. adj.懊恼的;沮丧的;失意的6. adj.相互矛盾的;对立的;不一致的7. n.感染;传染8. vt.使感染;传染9. n.微生物;细菌;病菌10. vi.认购(股份);定期订购;定期交(会费)11. n.证据;证明;检验12 .adj.数量多的;多种多样的13. n.泵;抽水机;打气筒14. n,一家人;家庭;同住一所(套)房子的人15. vt,&,vi,怀疑;疑有;不信任n，犯罪嫌疑人;可疑对象16. vt,把……归咎于;贵怪;指责n,责备;指责17. n.把手;拉手;柄vt,处理;搬动;操纵(车辆、动物、工具等)18. n.介入;出面;干涉19.________n.联系;纽带vt，把……连接起来;相关联20. adj.未煮的;生的;未经处理的;原始的21. adj.干净的;纯的;纯粹的22. 'adj.大量的;价值巨大的;重大的23. n.减少;降低;减少量vt.&.vi.(使大小、数量等)减少;减小;降低24. n.[pl,]统计数字;统计资料;统计学25.vt.使改观;使改变形态vi.改变;转变26 .n.流行病学27. n.显微镜 短语互译1. once and for all2. subscribe to,3. thanks to4. in time5, attend to 6. 总的来说;总体上来看;大体上;通常7. 发现,找出,查明8. 因此,由于;作为……的结果 9, 与.……有联系10, 在减少，在下降单词拼写1. The answers to this question that people gave us in the interview were various and (相互矛盾的).2. My main reason for (定期订购)to New Scientist is to keep abreast of advances in science.3. In the absence of (证据)，the police could not take action against the man.4. The workers were (责怪;指责)for their relaxed attitude towards their work..5. Studies have shown a direct (联系)between goals and improved performance in both sports and business.6. I had no idea whether I would be able to (处理) everything that this very strange environment would throw at me.7. Laughter helps to produce a kind of chemical in the brain which (减少;降低)both stress and pain.8. I am excited about the possibilities that high-speed rail can (改变;转变)transport in this country for the better.9. The medicine helps the body defend itself against some kinds of (感染).10. People (怀疑)and rejected his view, saying the theory he put forward made no sense.参考答案根据词义写出正确的单词1. cholera 2. severe 3. diarrhoea 4. dehydration5. frustrated 6. contradictory 7.infection8.infect 9.germ 10.subscribe 11. proof12.multiple 13. pump 14. household15. suspect 16.blame 17. handle18. intervention19.link 20.raw 21. pure 22. substantial 23. decrease 24.statistic 25. transform 226. epidemiology27.microscope短语互译1.最终地;彻底地2.同意;赞同3.幸亏;由于4.最后;终于;经过一段时间之后;迟早5.照料,关怀;对付;处理6. in general7. find out8. as a result of9. be linked to/with...10. on the decrease单词拼写1. contradictory 2. subscribing 3. proof 4. blamed 5. link 6.handle 7. decreases 8. transform 9.infections 10. suspected课中学习区Part1 Pre-reading1.Warm-up（2 mins）Watch a videoThinking the question:What disease is mentioned in the video?Cholera2.Discuss the following stages of scientific research in pairs. What order would you put them in?（4 mins）___7__ analyze the results___2__ ask a question___5__ draw a conclusion ___4__ collect data ___1__ find a problem ___3__ think of a method___6__ find supporting evidence【Justification】 学生能够对科学研究的几个基本阶段形成初步认识并梳理科学探究的逻辑思维能力。Part2 While-readingActivity 1（5 mins）Read the title of the passage and answer the questions.Who is John Snow？John Snow, (born March 15, 1813, York, Yorkshire, England—died June 16, 1858, London), English royal physician known for his seminal studies of cholera and widely viewed as the father of contemporary epidemiology.What is King Cholera?A disease that is extremely deadly and has great power.Activity 2（5 mins）Read the title of the passage and make a prediction.How does John Snow Defeats King Cholera?found the cause of cholera defeated cholera Why the simple present tense is used in the title?Describe what has happened:to make the readers feel like they are in the middle of the scene.Activity 3 （15mins）Read the passage paragraph by paragraph.P1Cholera used to be one of the most feared diseases in the world. Why?severe diarrhoea,dehydration,and even death严重腹泻，脱水，甚至死亡In the early 19th century,when an outbreak of cholera hit Europe,millions of people died...What is the reaction of John Snow at that time?frustratednever lost his desireP2How cholera spread?Theory 1 bad air caused the disease.Theory 2 cholera was caused by an infection from germs in food or water.Theory 2 It was correct,but he still needed proof. P3Snow makes the places where the people who died had lived.Many deaths occurred near the water pump in Broad Street.Some people hadn’t drunk the water from the pump,and lived.A woman and her daughter died in another part of London after moving away. The pump water carried cholera germs .The handle of the pump was removed. P4 The water from the Broad Street pump had been infected by waste.Some companies sold water from the River Thames that was polluted by raw waste.P5What is the ending?Water companies began to sell clean water.The threat of cholera around the world saw a substantial decrease.We know how to prevent cholera thanks to the work of John Snow.Snow transformed the way scientists study diseases. Part3 Post-readingActivity 4（2 mins）Match the following headers with the letters from the chart above.Write A-E in the blanks.A conclusionB evidenceC processD conclusionE solutionActivity 5 Write out the questions according to the answer.Ask questionsOne way to approach a reading passage is to ask questions about it.Asking questions can help you understand the content .It can also help you think more deeply about the topic. What did John Snow think caused the cholera?Snow thought that cholera was caused by germs in food or water.Why did John Snow have the handle from the pump removed？Snow had the handle of the pump removed so that it could not be used.How was the cholera?The cholera threat was defeated thanks to the work of John Snow.Activity 6 Discuss in groupCholera was a 19th century disease.What disease do you think is similar to cholera today?SARS,AIDS,TB肺结核，Bird-fluAccording to the current hygienic knowledge,what can we human do to prevent or fight these diseases?Individual1,Drink boiled water or cook food thoroughly2,wash hands and keep cleanSocietyStrengthen publicity and improve awareness of healthyGovernmentInvest more on medical affairsMoreKeep a balance between economical development and environmental protection