Unit 1 Reading and Thinking （ppt课件） -2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、Reading and Thinking新人教版选修二 Unit 1Understand the questioning mind1.To know about John Snow and cholera.2.To summarize the main idea and retell the stages for John Snows research.3.To master some language points.Teaching objectives：Learning GoalsGet to know some knowledge about Cholera.Understand the

2、 passage well.To learn some reading skills by scanning and skimming.To learn from the great scientists and develop the noble spirits.Guessing game:The secientists that we know!Who is he?Who is he?He has made a famous kite experiment.He has made a famous kite experiment.He learned a lot from it and i

3、nvented lightning rod(He learned a lot from it and invented lightning rod(避雷针避雷针).).He is He is Benjamin FranklinBenjamin Franklin1.Who wrote a book 1.Who wrote a book explaining how animals explaining how animals and plants developed as and plants developed as the environment changed?the environmen

4、t changed?Charles DarwinCharles Darwin (1808-1882)(1808-1882)British author of British author of The Origin of Species The Origin of Species Who is he?Who is he?He invented electric bulbs.He invented electric bulbs.He made more than 1,000 inventions during his life.He made more than 1,000 inventions

5、 during his life.He is He is Thomas Alva EdisonThomas Alva EdisonThomas Alva EdisonWho is she?Who is she?She is a woman scientist.She is a woman scientist.She discovered radium(She discovered radium(镭镭)and polonium)and polonium(钋钋).In her lifeIn her life,she won the Nobel Prize twiceshe won the Nobe

6、l Prize twice.She is She is Marie CurieMarie CurieWho is he?Who is he?He made the first telescope in the world.He made the first telescope in the world.His observations show that the earth moves His observations show that the earth moves around the sun.around the sun.He is He is Galileo GalileiGalil

7、eo GalileiYou cannot teach a man anything.You can only help him find it within himself.Who is he?Who is he?HeHe is considered(to be)is considered(to be)the greatest scientist in the greatest scientist in the 20the 20thth century.century.He He is famous foris famous for the the Theory of RelativityTh

8、eory of Relativity.He is He is Albert EinsteinAlbert EinsteinImagination is Imagination is more important more important than knowledge.than knowledge.Unit 1Science and ScientistsAre you familiar with these situations?Are you familiar with these situations?run nrun nucleic ucleic a acid cid t testes

9、ts s get vaccinatedget vaccinatedWe are taking measures to fight against coronavirus!We are taking measures to fight against coronavirus!Besides Besides coronavirus,coronavirus,what other kinds of epidemics what other kinds of epidemics（流行（流行病）病）have you heard of?have you heard of?bird-flu（禽流感）malar

10、ia（疟疾）plague（鼠疫）Ebola(埃博拉)Many years ago,a terrible disease named cholera in the world killed millions of people.People were very afraid of it,but they didn t know what to do.Luckily,a young doctor decided to find out how to prevent and treat the disease.Finally,.John Snow Video Time:How much do you

11、 know about cholera?What will be talked about from the title?John Snow Defeats“King Cholera”Who?How?What?1.Who was John Snow?1.Who was John Snow?2.What is King Cholera?2.What is King Cholera?3.How did John Snow defeat King Cholera?3.How did John Snow defeat King Cholera?Skimming:main idea of each pa

12、ragraphPara1 Para1 Para 2 Para 2 Para 4Para 4Para 5 Para 5 John Snow want to use his knowledge to solve colera.John Snow want to use his knowledge to solve colera.He got interested in two theories explaining how He got interested in two theories explaining how colera killed people.colera killed peop

13、le.He needed to prove the second theory was correct.He needed to prove the second theory was correct.He finally found out that dirty water was the cause He finally found out that dirty water was the cause of cholera.of cholera.Finally“King Cholera”was defeated.Finally“King Cholera”was defeated.Para

14、3 Para 3 Task1.Read the passage quickly and get the main idea of each paragraph.Para.1 Para.2 Para.4Para.5 John Snow desired to destroy cholera.Snow began his study by marking on the map.Truth of the infection of choleraSnows contributionsPara.3 John Snow decided to prove the second theory.Match the

15、 main idea of each paragraph.find a problemask a questionthink of a methodcollect data find supporting evidencedraw a conclusionRead the passage again and discuss the following Read the passage again and discuss the following stages of stages of scientific researchscientific research in groups.What

16、order would you put them in groups.What order would you put them in?in?collect datathink of a methodanalyse the resultsask a questiondraw a conclusionfind a problemfind supporting evidenceRead the passage again and discuss the following Read the passage again and discuss the following stages of stag

17、es of scientific researchscientific research in groups.What order would you put them in groups.What order would you put them in?in?collect datathink of a methodanalyse the resultsask a questiondraw a conclusionfind a problemfind supporting evidence 1 4 2 6 7 3 5Careful reading:1.Read Para.1 carefull

18、y and fill in the mind map.Its one of _ in the world,because it causes _._(when),an outbreak of cholera hit _,milions of people _.He rose to become _,and even _ Queen Victoria when she gave birth.Snow became _ because no one knew _.However,he had a desire to _ once and for all.the most feared diseas

19、essevere diarrhoea and dehydrationIn the early 19th centuryEuropedied from the disease“King Cholera”frustratedhow to prevent or treat choleraa famous doctorattended to destroy cholera John Snow decided to destroy“King Cholera”CholeraSnowWhile reading Task2.Read the 1st paragraph quickly and fill in

20、the mind map.CholeraWhat?Its one of _ in the world,because it causes _.When?_Where?_What results?_the most feared diseasessevere diarrhoea,dehydration and even death.In the early 19th centuryEuropeMillions of people died from the disease Find the problem Two Two theoriestheoriesThe second theory The

21、 first theory While reading Task3.Read the 2nd paragraph carefully and find out the two theories.bad air bad air caused the diseasecaused the diseaseCholera was caused byan infection from the an infection from the germs in food or water.germs in food or water.Ask a questionWhich theory did John Snow

22、 subscribe to?Proof was needed.contradictoryTheory one:_coughsneezerunny noselungdiarrheadehydration para 2caused by bad air Read Para.2 carefully and get to know the two theories.Theory two:_caused by germs A map of Broad Street-”Cholera A map of Broad Street-”Cholera Map”Map”What method did Snow u

23、se?1)Which houses had more than 4 deaths in Broad Street?2)Which houses had no death in Broad Street?Multiple deaths happened here.No death happened here.He suspected that the water from the pump was to blame.EvidenceRead Para.3 carefully and answer questions.？These families had not drunk the water

24、from the Broad Street pump.？It seemed that had it delivered He was able to announce that the pump water carried cholera germs.He had the handle of the pump removed.2.Read Para.2 and 3 carefully and activity 3 and 4 on P3.A.It was believed that cholera was caused by _ or germs in _.D.The pump water c

25、arried _.C.Many deaths occurred near the _ in Broad Street.Some people _ drunk the water from the pump,and lived.A woman and her daughter died in another part of London after_.B.Snow began by _ the places where people _.E.The _ of the pump was removed.bad airfood or watermarking on the mapdied had l

26、ivedwater pumphad notdrinking water from the pumpcholera germs1.conclusion_2.evidence_3.process_ 4.solution_5.theories_DCBEAhandleThe pump water carried _.Many deaths occurred near the _ in Broad Street.Some households had no deaths.they worked in and had been given ,so had not drunk .A woman and he

27、r daughter had died after _,because she had the water_ every day.Snow began by _ the places where people _.Snow had the handle of the pump _.marking on a map died had livedmoving away from Broad Streetdelivered to her housecholera germsremovedThink of a methodCollect data and analyse the resultsConc

28、lusionSolutionTask3.Read the 3rd paragraph carefully,then discuss in groups to finish the process.water pumppubwater from the pumpfree beerFind supporting evidenceRead the passage again and discuss the following Read the passage again and discuss the following stages of stages of scientific research

29、scientific research in groups.What order would you put them in groups.What order would you put them in?in?collect datathink of a methodanalyse the resultsask a questiondraw a conclusionfind a problemfind supporting evidence 1 4 2 6 7 3 51.What caused the outbreak of cholera in London?A.Bad air B.Wat

30、er infected by raw waste C.Polluted air D.Water polluted by the air 2.Why was John Snow considered the father of modern epidemiology?epdimildi 1.He helped people know how to prevent cholera.2.He transformed the way scientists study diseases in use of map and statistics.Task 3 Read Para.4 and Para.5

31、carefully to answer the two questions.1)Water companies began to sell clean water.1)Water companies began to sell clean water.2)The threat of cholera around the world decreased.2)The threat of cholera around the world decreased.3)He helped people know how to prevent cholera.3)He helped people know h

32、ow to prevent cholera.4)Snow transformed the way scientists study diseases4)Snow transformed the way scientists study diseases.2.What contributions did John Snow make?2.What contributions did John Snow make?1.What caused the outbreak of cholera in London in 1854?1.What caused the outbreak of cholera

33、 in London in 1854?Read Para.4 and 5 carefully and answer the questions.Read Para.4 and 5 carefully and answer the questions.Was cholera defeated Was cholera defeated completelycompletely?No No To prevent cholera from To prevent cholera from spreading,spreading,wed betterwed better drink drink pure

34、or boiled water and pure or boiled water and eat clean food.eat clean food.Evaluation of John SnowAs a scientist,he found out what caused cholera.As a doctor,he helped us to prevent cholera.discovered artemisnin to treat malaria,was awarded the Nobel Prizethe father of hybrid rice,rid the world of h

35、ungerDespite the danger of infection,devoted to the research of COVID-19What qualities and scientific spirits do they have in common?the Father of Modern Epidemiology,defeated King Cholerahard workhard workdevotiondevotiondeterminationdeterminationpassionpassioncreativitycreativityselflessnessselfle

36、ssnessstrict strict attitudeattitudeCommon Common characteristicscharacteristics4.Retell the story In the early 19th century 1._ an outbreak of cholera hit Europe,million of people died from the disease.John Snow,who subscribed 2._ the theory that cholera 3._ (cause)by an infection from germs in foo

37、d or water,4._(desire)to destroy cholera.5._(use)maps and statistics,John Snow was able to announce that the pump water 6._(carry)cholera germs.Through Snows tireless 7._(effort),the disease was stopped in its tracks.Now we have known how 8._(prevent)cholera.Transforming 9._ way scientists study dis

38、eases,John Snow 10._(consider)the father of modern epidemiology.whentowas causeddesiredUsingcarriedeffortsto preventtheis consideredNo one understood 1._ and every time it came,thousands died.Queen Victorias doctor,John Snow,wanted to 2._ how it was caused.When the disease came to 3._ again in 1854,

39、Snow noticed that most of the 500 people who 4._ had drunk the water from a 5._ in Broad Street.He concluded that the water was to 6._ and found that the pumps water came from a dirty 7._.After he had the 8._ of the pum removed,people gradually stopped dying.Snow suggested all 9._ of water be checke

40、d and water companies take care not to supply people with dirty water.In this way,cholera was 10._.cholera find out London died water pump blame river handle sources defeated1.Who wrote a book explaining how animals and plants developed as the environment changed?Charles Darwin(1808-1882)British aut

41、hor of The Origin of Species 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生活中没有什么可怕的东西,只有需要理解的东西。只有需要理解的东西。2.Who discovered radium?Thomas 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天才就是百分之九十九的汗水加上百分之一的灵感。百分之一的灵感。3.

42、Who invented the way of giving electricity to everybody in large cities?The Inventions of Thomas Edison Phonograph/fnrf/(留声机)Light bulb(电灯泡电灯泡)Motion Pictures(电影电影)4.Who invented the earliest instrument to tell people where earthquakes happened?Zhang Hengseismograph/sazmrf/5.Who put forward a theory

43、 about black hole?Stephen Hawking(1942-)BritishA Brief History of Time6.Who is the first Chinese Nobel winner in physiology or medicine and the first female citizen of China to receive a Nobel Prize?Tu YouyouShe was awarded the Nobel Prize because she discovered the _ to cure _.artemisininmalaria7.W

44、ho invented the hybrid rice?Yuan LongpingHe was called _.“the father of hybrid rice”8.Who made great contributions to the fight against the novel coronavirus?Zhong NanshanHe has been committed to the study,prevention and treatment of major respiratory/rsprtr/（呼吸道的）（呼吸道的）diseases and significantly contributed to the COVID-19 fight,and won the Medal of the Republic.