课件必修5Unit1ReadingJohnSnowdefeatskingcholera含语言点.ppt

1、必修必修5 5 Unit 1 Unit 1 Reading Reading John John Snow Snow defeats defeats king king cholera cholera 含语言点含语言点Do you know their names?Who are they?Who are they?Guessing gameWho is he?Who is he?He wrote The Origin of Species.It explained how animals and plants developed as the environment changed.Who i

2、s he?Who is he?He improved the first steam pump built by Thomas Savery and turned it into a steam engine for taking water out of mines.Later James Watt turned it into the first modern steam engine used on the railways.Thomas NewcomenWho is he?Who is he?He used peas to show how physical characteristi

3、cs are passed from parents to their children.Who is he?Who is he?Who is she?Who is she?She is a woman scientist.She discovered radium(镭镭)and polonium(钋钋).In her life,she won the Nobel Prize twice.She is Marie CurieNothing in life is to be feared.It is only to be understood.He invented the way of giv

4、ing electricity to everybody in large cities.Who is he?Who is he?Genius is one percent inspiration and ninety-nine percent perspiration.Leonardo da Vinci He was a famous artist.He used to study dead people in order to make his paintings as accurate as possible.Who is he?Who is he?He developed a safe

5、ty lamp for miners in 1815.It made working conditions underground very much safer.Sir Humphry DavyWho is he?He invented the first seismograph to indicate in the direction of an earthquakes.Zhang HengWho is he?Who is he?He put forward a theory about black holes.Stephen HarkingWho is he?Who is he?Do t

6、he quiz Do the quiz and see who and see who knows the knows the most.most.Warming upArchimedesCharles DarwinThomas NewcomenGregor MendelMarie CurieThomas EdisonLeonardo da VinciSir Humphry DavyZhang HengStephen HawkingTHINKWORK FINDHow do the scientists usually do scientific research?The processFind

7、 a problemMake a questionThink of a methodCollect results Analyse the resultsFind supporting evidenceDraw a conclusionSOLVEWhat infectious diseases do you know about?Cholera is the illness caused by a bacterium called Varian cholera.If it infects peoples intestines(肠胃肠胃),it may cause diarrhea(腹泻腹泻),

8、vomiting(呕吐呕吐)and leg cramps(腹痛腹痛).The most common cause of cholera is by someone eating food or drinking water that has been polluted by the bacteria.What do you know about cholera?Cholera can be mild(不严重的不严重的)or even without symptoms(症状症状),but a severe case can lead to death without immediate trea

9、tment.Do you know this person?John Snow(1813 1858)a legendary figure in the history of public health,epidemiology（流（流行病学）行病学）and anesthesiology（麻（麻醉学）醉学）Whats the main idea of the passage?John Snow was a well-known doctor in London.The cause of Cholera was polluted water.The source of all drinking w

10、ater should be examined.A.How John Snow collected,analyzed data and found the cause of the disease and solved it.Fast readingdraw a conclusionfind a problemmake up a questionthink of a methodcollect resultsanalyse the results find supporting evidencePara 1Para 2Para 3Para 4Para 5Para 6 Para 7 What i

11、s the problem?The cholera was the most deadly disease of its day.Neither its cause,nor its cure was understood.What caused cholera?Details make up a question:Which theory to believe in?Cholera multiplied in the air without reason.A cloud of dangerous gas would float around until it found its victims

12、.People absorbed it with their meals.A map of Broad StreetWhat method did he use?Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseanalyze the results:What happened to the pump water?The water was from the river which had been polluted by t

13、he dirty water from London.Find supporting evidence:What extra evidence did he find?A woman and her daughter who lived far away but drank the water also died.draw a conclusion with certaintyThe polluted water carried the disease.Things to do to prevent infectious diseases:Wash your hands often,espec

14、ially during cold and flu season.Be aware of what you eat,and be careful how you prepare it.Use antibiotics(抗生素抗生素)exactly as prescribed.Be cautious around all wild and domestic animals that are not familiar to you.Avoid areas of insect infestation.Post reading DiscussionRead the passage again and f

15、ill in the blanks:John Snow was a well-known _ in London in the _ century.He wanted to find the _ of cholera in order to _ it.In 1854 when a cholera _ out,he began to gather information.He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from

16、 the _ died.So he decided that the polluted water carried cholera.He suggested that the _ of all water supplies be _ and the water companies were_ not to _ people _ polluted water any more.Finally “King Cholera”was _.doctor19thcausedefeatbrokemarkedpumpsourceexaminedinstructedexposetodefeatedSummary

17、Find a problem What causes cholera?Make a questionWhich theory is correct?Think of a method Collect data on those who were ill or died and where they got their water.Para.1Para.2Para.3Careful readingPara.5Analyse the resultsAnalyse the water to see if that is thecause of the illness.Para.6Find suppo

18、rting evidenceFind other evidence to support theanalysis.Para.7Draw a conclusionThe water was to blame.The source ofall drinking water should be examined tomake sure it is safe.Para.4Collect resultsPlot information on a map to find outwhere people died or did not die.1.invent&discover(1)invent 发明发明,

19、发明原先不存在的东西发明原先不存在的东西Who invented the steam engine?(2)discover 发现发现,探索早就客观存在着探索早就客观存在着的的事物事物Columbus discovered America in 1492.2.explain explain sth.to sb.3.characteristic(1)n.特征；特性；特色特征；特性；特色Ill send her a gift with Chinese characteristic.(2)adj.典型的；特有的典型的；特有的Forgetfulness is often characteristic o

20、f aged people.1)The tradition is _ their ancestors.2)This spirit should be passed _ from generation to generation.3)Pass the letter _ to the person next to you.4)So many people pass _ and never notice the change.passed fromdownonby 4.pass sth from pass by pass down pass on 从从处传来处传来路过路过,经过经过把把传下传下去去传

21、递传递,传授传授5.Who invented the way of giving electricity to everybody in large cities?是谁发明了把电带给大城市中的每个人的办法是谁发明了把电带给大城市中的每个人的办法?the way of doing sth.=the way to do “做做.的方法的方法”她给我们示范清洗它的办法她给我们示范清洗它的办法。She showed us the way of cleaning it.=She showed us the way to clean it.6.know about 了解有关了解有关.的情况的情况know

22、of 听说过听说过1)有些事我想有些事我想了解了解一下。一下。There is something I want to know about.2)我我听说听说过那件事过那件事,但不很清楚。但不很清楚。I know of it,but I didnt know it well.7.But he became inspired when he thought about helping ordinary people exposed to cholera.exposed to cholera 是过去分词作后置定语是过去分词作后置定语,表表示被动示被动,意为意为“患霍乱的患霍乱的”。(1)鲁迅写的书

23、是很受欢迎的。鲁迅写的书是很受欢迎的。The books written by LuXun are very popular.(2)昨天我们看见的那个人是史密斯先生。昨天我们看见的那个人是史密斯先生。The man seen by us yesterday is Mr.Smith.8.This was the deadly disease of its day.die(v.)death(n.)dead(adj.)deadly (adj.)(1)危险的危险的;致命的致命的 a deadly disease/weapon (2)强有力的强有力的 a deadly remark 击中要害的评论击中要

24、害的评论(3)不共戴天的不共戴天的a deadly enemy 9.So many thousands of terrified people died every time there was an outbreak.every time 在这里是连词在这里是连词,引导时间状引导时间状语从句语从句,意为意为“每次每次,每当每当”。Every time I meet him,I always think of the things happened between us.每次见到他每次见到他,我就想起发生在我们之间的我就想起发生在我们之间的事情。事情。注意注意:immediately,the

25、moment,directly,instantly 等与等与 every time一样一样,都可以都可以用作连词引导时间状语从句用作连词引导时间状语从句,意为意为“一一.就就”。(1)I will give the letter to him immediately I see him.我一见到他就把这封信给他。我一见到他就把这封信给他。(2)I came directly I got your letter.我一我一收收到你的信就来了到你的信就来了。10.The second suggested that people absorbed this disease into their bod

26、ies with their meals.(1)absorb.into 吸收吸收 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。这家大公司逐渐将这些小的公司吞并了。(2)suggest 在句在句中中是是“暗示暗示，表明表明”。The disorganized meeting suggested bad preparation.混乱的会场表明准备工作很差。混乱的会场表明准备工作很差。suggest 还有还有“建议建议”的意思的意思,在

27、后文中有体现在后文中有体现:“To prevent this from happening again,John Snow suggested that the source of all the water supplies be examined.”（L46）为防止这种情况再度发生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。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。主席建议会议延迟到下周举行。suggest 后面还可以接后面还可以接-ing形式或名词形式或名词。She suggested a picnic at the weekend.Kate suggested leaving early for the airport.