人教版高中英语必修五高中英语必修5Unit1-Great-scientists公开课

1、Who are they? Guessing gameWho is he?He has made a famous kite experiment.He learned a lot from it and invented lightning rod (避雷针).He is Benjamin FranklinNever leave that until tomorrow, which you can do today.今日事,今日毕。Who is he?He is called the greatest scientist in the 20th century.He is famous fo

2、r the Theory of Relativity.He is Albert EinsteinImagination is more important than knowledge想象力比知识更重要。imaginativeWho is he?He made the first telescope in the world.His observations show that the earth movesaround the sun.He is Galileo GalileiYou cannot teach a man anything. You can only help him fin

3、d it within himself.你不可能把一切都教给一个人,你只能帮助他从内心去发现(和了解)事物。What do you know about great scientists? Try this quiz and find out who knows the most.1.Which scientist discovered that objects in water are lifted up by a force that helps them float?Archimedes(287-212 BC) an ancient Greek mathematician & physi

4、cist2. Who wrote a book explaining how animals and plants developed as the environment changed?Charles Darwin (1808-1882) British author of The Origin of Species 3. Who invented the first steam engine?Thomas Newcomen4.Who used peas to show how physical characteristics are passed from parents to thei

5、r children?Gregor Mendel (1822-1884) Czech (捷克人)Marie CurieNothing in life is to be feared. It is only to beunderstood.生活中没有什么可怕的东西,只有需要理解的东西。5. Who discovered radium?The power of radiumThomas Alva EdisonGenius is one percent inspiration and ninety-nine percent perspiration.天才就是百分之九十九的汗水加上百分之一的灵感。6.

6、 Who invented the way of giving electricity to everybody in large cities?The Inventions of Thomas Edison Phonograph (留声机)Lightbulb(电灯泡)Motion Pictures(电影)7.Who was the painter that studied dead bodies to improve his painting of people? Leonardo da Vinci (1452-1519) Italian artistLast SupperMona Lisa

7、8.Who invented a lamp to keep miners safe underground?Sir Humphry Davy (1778-1829)BritishMiniature(小型的) Miners Safety Lamp the Safety Lamp 9.Who invented the earliest instrument to tell people where earthquakes happened?Zhang Hengseismograph10.Who put forward a theory about black hole?Stephen Hawkin

8、g(1942-)BritishA Brief History of TimeDraw a conclusionThey all.made a great contribution.made great achievements.succeeded in their scientific career.overcome many difficulties. common characteristicscautiouspersuasivestrictpositiveCo-operativecreativebrightenthusiasticPre-reading 1.What impresses

9、you most in 2003?Which person impresses you most during the SARS?What other infectious diseases do you know?For example: When you eat some food that is not freshYou may feelMaybe you have got _.Choleradraw a conclusionthink of a methodcollect resultsmake a questionfind a problemanalyse the resultsfi

10、nd supporting evidencefind a problemmake a questionthink of a methodcollect resultsanalyse the resultsdraw a conclusionHow to prove a new idea in scientific research?find supporting evidenceJohn Snow defeats “King cholera”ReadingJohn Snow defeats “king cholera”What can you learn from the title?人物：事件

11、：defeats cholera Who is John Snow?What happened to them? attended her as her personal physicianQueen VictoriaJohn Snow 约翰.斯诺(1813 1858), 英国麻醉学家、流行病专家。他首次提出了预防霍乱的措施。1854年, 伦敦霍乱流行, 斯诺通过研究霍乱病死者的日常生活情况, 寻找到他们的共同行为模式,发现了霍乱与饮用不洁水的关系, 由于及时切断了二者的联系, 有效制止了霍乱的流行。Four outbreaks of cholera in the 1830s and 1840

12、s killed many people in England. In 1854, “the most terrible outbreak of cholera which ever occurred in the kingdom” began. It was so violent and sudden that 127 people died in the first three days.The terrible cholera Name of illness cholera (霍乱) Symptom(症状)severe vomiting (呕吐) and diarrhoea (腹泻) A

13、ftereffect(后果)die quickly from a loss of liquidWhat was the cause of this illness? How did John Snow find it out?Skim the text and find the main idea of the text. The passage is mainly about: _ How John Snow found the cause of the cholera and defeated it. Fastreading:Read the passage quickly and fin

14、d the number below and the relevant happenings in the passage.Two theoriesIn 1854500 , 10The first suggested thatmultiplied in the air; The second suggestedabsorbed this disease into their bodies with their meals.Another outbreak hit London.More than 500 people had died in 10 days.16, 37, 38 and 402

15、0, 21; 8, 97These numbers in Broad Street near the water pump had many of the deaths20 and 21 Broad Street and 8 and 9 Cambridge Street had no deaths.They didnt drink the water from the Broad Street pump.These families worked in the pub at 7 Cambridge Street.Read the passage and number these events

16、in the order that they happened.John Snow began to test two theories.An outbreak of cholera hit London in 1854.He announced that the water carried the disease.John Snow marked the deaths on a map. 2147Carefulreading:King Cholera was defeated.He found that most of the deaths were near a water pump.He

17、 had the handle removed from the water pump.John Snow investigated two streets where the outbreak was very severe.3856Para-graphStages in an experimentExample in this investigation1Find a problem2Make a question3Think of a methodWhat cause cholera?Which theory is correct?Collect data on those who we

18、re ill or died and where they got their water.Fill in the blanks. 4Collect results5Analyse results6find supporting evidence7Draw a conclusionPlot information on a map to find out where people died or did not die.Analyse the water to see if that is the cause of the illness.Find other evidence to supp

19、ort the analysis.The water is to blame. The source of all drinking water should be examined so that it is safe.draw a conclusionfind a problemmake a questionthink of a methodcollect resultsanalyse the resultsrepeat if necessaryMatch themPara 1Para 2Para 3Para 4Para 5Para 6Para 7Prevention of Cholera

20、1. John Snow believed Idea 2 was right. How did he finally prove it?KEY: John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.Read and answer the questions.2. Do you

21、think John Snow would have solved this problem without the map? Give a reason.KEY: No. The map helped John Snow organize his ideas. He was able to identify those households that had many deaths and check their water-drinking habits. He identified those houses that had no deaths and surveyed their dr

22、inking habits. The evidence clearly pointed to the polluted water being the cause.3. Cholera was a 19th century disease. What disease do you think is similar to cholera today?KEY: Four diseases, which are similar today, are SARS, AIDS, TB(肺结核) and bird-flu, because they are both very serious, have a

23、n unknown cause and need public health care to solve them.1. The passage mainly tells us that _. the cause of cholera was polluted water B. John Snow was a well-known doctor in LondonC. the source of all drinking water should be examinedD. John Snow did some research and helped to solve “King Choler

24、a”Choose the best answer. D 2. What was the key help for John Snows discovery?A. The government. B. The woman moving away from Broad Street.C. The water company.D. The map made by himself.D SummaryJohn Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to

25、 _ it. In 1854 when a cholera _ out, he began to gather information.doctor19thcausedefeatbrokeHe _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _

26、of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated.markedpumpsourceexamineddealingWhat should we pay attention to in our daily life in order not to get infected with cholera? Heal the food left overnightCook raw food thoroughlyWash hands

27、oftenKeep away from flieschoose fresh sea foodKeep the kitchen cleanDispose rubbish properly.Drink boiled waterDiscussion1. know about 了解有关.的情况know of 听说过1)有些事我想了解一下。There is something I want to know about.2)我听说过那件事, 但不很清楚。I know of it , but I didnt know it well.Language points2. conclude: v. 作结论, 断

28、定 The jury concluded that he was guilty. 陪审团认定他有罪。 to conclude: 总而言之, 总之 To conclude, I want to thank you for your help. conclusion: n. 结论得出结论arrive atdraw/reach come toa conclusion1) 那些都是事实, 你能从中得出什么结论?Those are the facts; what do you conclude from them?2) 我得出结论你在说谎。I came to/drew /reached the conc

29、lusion the conclusion that you were lying.3)根据这些事实, 我们能对金字塔是如何建成的得出一些结论。From these facts, we can draw some conclusions about how the pyramids were built.3. defeat v./ n.He defeated the champion in three sets.His words completely defeated me.The Party faces defeat in the election.击败, 战胜使困惑win / beat

30、/defeat win “赢得, 获胜”, 后接奖品, 奖金, 名誉, 财产beat “击败, 战胜”, 后接竞争队伍或者对手, 敌人defeat “击败，战胜”, 后接竞争队伍或者对手, 敌人, (此用法同beat), 疾病等。1) Mary _ the first place in the competition.2) Our school _ their school at football.3) I _ John at chess yesterday.wonbeat / defeatedbeat / defeated4. John Snow was a famous doctor in

31、 London-so expert, indeed, that be attended Queen Victoria as her personal physician.约翰.斯诺曾经是一位著名的医生-他的确医术精湛,因而成了维多利亚女王的私人大夫。1) expert n. 专家; 高手; 权威an agricultural expert 农业专家an expert with the computer 电脑高手expert 也可以作形容词, “熟练的; 老练的;经验(或知识)丰富的”an expert rider 熟练的骑手 an expert opinion 内行的意见照看, 照料 如:医生

32、照看病人。The doctor attended (on / upon) the patients.出席, 到场 如:attend school 上学attend a lecture 听讲座attend church 去教堂attend (at) a wedding 出席婚礼2) attend v.注意, 留意 如:Well attend to the solution of that problem later. attend to处理, 办理 我有许多事情要处理。照顾, 照料先生, 有人接待你吗？Are you being attended to ?If you go out, Ill a

33、ttend to the baby.专心, 注意If you dont attend to the teacher, youll never learn anything.attendance n. 照顾, 出席I have some important things to attend to.5. But he became inspired when he thought about helping ordinary people exposed to cholera.exposed to cholera 在句子中是过去分词用作后置定语, 表示被动, 意为 “患霍乱的”。如:The boo

34、k written by LuXun is very popular. 鲁迅写的书是很受欢迎的。昨天我们看见的那个人是史密斯先生。The man seen by us yesterday is Professor Smith.发散思维：exposed adj. 暴露的, 暴露于风雨中的, 无掩蔽的exposedness n. 暴露, 显露开放思维: expose to 使易受, 使受 expose sth to the light of day把某事暴露于光天化日之下expose a fraud 揭穿骗局1) Miles of sand are exposed at low tide.2) T

35、he people of some Asian countries were exposed to the tsunami in 2004.3) He exposed the crime to the police.4) He exposed the plan to the newspsper.to uncoverto make suffer to make known 5) The wolf opened its mouth to _ a row of sharp teeth.6) Dont _ your skin to the sun; your skin will be hurt.exp

36、oseexpose6.This was the deadly disease of its day.die (v.) dead (adj.) death (n.) deadly adj. (1)dangerous; likely to cause death 危险的; 致命的 a deadly disease / weapon (2)highly effective against sth. or someone 强有力的; 致命的 a deadly remark 击中要害的评论(3) aiming to kill or destroy意在杀死的; 不共戴天的: a deadly enemy

37、不共戴天的敌人deadly adv. (1)very 极度; 非常; 十分 deadly serious 十分认真 (2)like death 死一般地 deadly pale 死一般苍白7. So many thousands of terrified people died every time there was an outbreak.every time 在这里是连词, 引导时间状语从句, 意为“每次, 每当”。e.g. Every time I meet him, I always think of the things happened between us.每次见到他, 我就想

38、起发生在我们之间的事情。注意: immediately, the moment, directly, instantly 等与 every time一样, 都可以用作连词引导时间状语从句, 意为 “一.就”。如：I will give the letter to him immediately I see him.我一见到他就把这封信给他。I came directly I got your letter.我一接到你的信就来了。8. The second suggested that people absorbed this disease into their bodies with the

39、ir meals .o 吸收 如：e.g. The big company has gradually absorbed these small companies into its own organization. 这家大公司逐渐将这些小的公司吞并了。absorb v. (1) 吸收(液体)Water absorbs oxygen.(2) The clever boy absorbed all the knowledge his teacher could give him.(3) The book absorbed his attention.(4) The surr

40、ounding small towns have been absorbed into the city.理解, 接受吸引(注意力, 兴趣等)使并入, 吞并be absorbed in 被吸引; 专心于; 全神贯注于某事 如:He is absorbed in his book.The little girl was absorbed in reading a tale. suggest 经常有“建议”的意思, 但在这个句子里的意思是“暗示间接表明”。如：The disorganized meeting suggested bad preparation.混乱的会场表明准备工作很差。sugge

41、st 还有 “建议”的意思, 在后文中有体现:“To prevent this from happening again, John Snow suggested that the source of all the water supplies be examined.” 为防止这种情况再度发生, I suggested that he should give up smoking.我建议他戒烟。The chairman suggested the meeting be put off until next week. 主席建议会议延迟到下周举行。suggest 后面还可以接-ing形式或名

42、词。如：She suggested a picnic at the weekend.她提议周末去野餐。Kane suggested leaving early for the airport. 凯恩提议早些发去机场。他发现在两条街道上霍乱流行的特别厉害,在十天之内就死去了五百多人。9. In two particular streets, the cholera outbreak was so severe that more than 500 people had died in 10 days.severe adj. (1)unsparing or harsh, as in treatme

43、nt of others; strict 严厉的; 苛刻的; 严格的. 如:The severe trainer has gone abroad. You can breathe freely again.(2)causing sharp discomfort or distress; extremely violent or intense; very serious. 剧痛的, 剧烈的, 严重的, 难熬的 如:a severe attack of toothache.要求苛严的教官已经出国, 你可以完全放心。牙痛的剧烈发作。这张地图提供了一条说明霍乱起因的很有价值的线索。10. This

44、gave him a valuable clue about the cause of the disease.valuable(1) adj. worth of a lot of money 值钱的, 贵重的 如：The watch is valuable. 这表很值钱。a valuable diamond. 贵重的钻石。(2) adj. having great usefulness or value 如:valuable information(3)n. (常用复数形式)sth that worth a lot of money 如:Cathy kept her valuables in

45、 a safe.重大的消息凯西把她的贵重物品藏在保险箱里。泵 (油泵; 气泵), 抽水机, 打气筒11. pump12. It seemed that the water was to blame. 看来霍乱的流行要归罪于饮水了。be+动词不定式, 可以表示该做或不该做的事情, 相当于must, should, ought to 等。 如：No one is to leave this building without the permission of the police.没有警察的允许谁也不准离开这栋楼。You are not to drop litter in the park.公园里

46、不允许乱丢纸屑。受到责备, 主动表被动13. Next, John Snow looked into the source of the water for these two streets.其次, 约翰.斯诺调查了这两条街的水源。look into 往.里面看; to investigate 检查; 了解。 如：Well look into this matter together.我们将一起调查这个问题。开放思维：look on 观看, 面向, 旁观, 看待look out 面朝, 留神, 照料look over 从上面看, 察看, 检查look around 环顾, 观光, 察看loo

47、k through 看穿, 审核, 浏览, 温习look up and down 仔细打量, 到处寻找look after 寻求, 照顾, 关心14. handle n. 柄, 把手A. 操作; 运用 B. 经销; 买卖 C. 管理 D. 对待 E. 应付 F. 控制; 管理handle v.Choose the correct explanations.1) Ms Hawkins, the chief accountant of the company handles the companys accounts.2) The children are so naughty that I cant handle them.3) She handled a difficult argument skillfully.CFE4) Handle children kindly, if you want them to trust you.5) This shop handles paper and stationery.6) He learnt how to handle the axe.DBAlinkto. 把与连