Unit 1 Reading and Thinking （ppt课件）-2023新人教版（2019）《高中英语》选择性必修第二册.pptx

1、Reading and ThinkingJohn Snow Defeats“King Choleara”Before-reading“To raise new questions,new possibilities,to regard old problems from a new angle,requires creative imagination and marks real advance in science.-Albert Einstein”“提出新的问题，发现新的问题，从新的角度审视已存在的问题，这些需要创造性的想象力，并标志着科学的真正进步。-阿尔伯特阿尔伯特爱因斯坦爱因斯坦”

2、What disease can you think of when you look at these pictures?COVID-19Besides coronavirus（冠状病毒）（冠状病毒）,what other kinds of epidemics（流行病）（流行病）do you know?Bird-flu（禽流感）（禽流感）malaria（疟疾）（疟疾）plague（鼠疫）（鼠疫）Ebola Smallpox（天花）（天花）Cholera Reading and Thinking:Reading and Thinking:Understand the questioning m

3、indUnderstand the questioning mindLead inJohn Snow(15 March 1813 16 June 1858)was a British physician and a leader in the adoption of anaesthesia and medical hygiene.约翰斯诺(1813年3月15日-1858年6月16日)，英国内科医生，麻醉和医疗卫生的领导者。CholearaAdd Something At HereAdd Something At HereAdd Something At HereAdd Something At

4、 HereAdd Something At HereAdd Something At HereActivity 1:Predicting:What will be talked about?John Snow Defeats“King Cholera”Who?How?What?Draw a conclusion Collect data Ask a question Find a problem Analyse the results Find supporting evidence Think of a method Tu Youyou followed the scientific sta

5、ges to find out the cure for malaria.Can you put them in the right order?Did he/she follow the same stages as Tu Youyou?Activity 2:Read for the Structure_.John Snow Defeats“John Snow Defeats“KingKing Cholera”Cholera”What does“King”imply in the title?A.The name of cholera B.The causes of cholera C.Ch

6、olera spread fast D.Cholera is powerful and hard to cureJohn Snow Defeats“John Snow Defeats“KingKing Cholera”Cholera”Whats the main idea of the text?AThe cause of cholera was polluted water.BJohn Snow was a well-known doctor in London.CThe source of all drinking water should be examined.DJohn Snow d

7、id some research and helped to solve“King Cholera”.Read the passage again and discuss the following stages of scientific research in groups.What order would you put them in?collect datathink of a methodanalyse the resultsask a questiondraw a conclusionfind a problemfind supporting evidenceUnderstand

8、 the questioning mind collect datathink of a methodanalyse the resultsask a questiondraw a conclusionfind a problemfind supporting evidence 1 4 2 6 7 3 5Read the passage again and discuss the following stages of scientific research in groups.What order would you put them in?Understand the questionin

9、g mind While-readingRead for the imformation.Para 1 Who&What?John SnowCholeraa _ doctorbecame _ never _ _ once and for allBritish,young and famous_ Queen Victoriaattended tofrustratedlost his desire to destroy choleraone of _deseasescauses severe _ _millions of people _the disease in the early 19th

10、centurythe most feared diarrhoea,dehydration and even deathdied fromWhile-readingRead for the imformation.Para 2&3 How?1.What problem did the two theories try to solve?To explain how Cholera spread.2.What were the two theories and which did John Snow agree with?Two contradictory theories Theory one:

11、caused by _Theory two:caused by _bad air germs problemWhile-readingRead for the imformation.Para 2&3 How?3.Whats the proof he found?questionWhile-readingRead for the imformation.Para 2&3 How?What method did he use?How did he finally find out why?marking on a mapAnalyze the map with your group member

12、.u Which houses had more than 4 deaths in Broad Street?u Which houses had no death in Broad Street?While-readingRead for the imformation.Para 2&3 How?Any other evidence?What result did he get?Snow suspected that the water pump was to blame.A woman and her daughter died in another part of London afte

13、r drinking water from the pump.John Snow was able to announce that the pump water carried cholera germs.John Snow had the handle of the pump removed.The disease was stopped.Read for the stages.Think of a method Collect data Analyse the results Find supporting evidence Draw a conclusion Find a soluti

14、on While-readingRead for the imformation.Para 4&5 The truth was that the water from the Broad Street pump had been infected by waste.l Water companies began to sell clean water.l The threat of cholera around the world decreased.l He helped people know how to prevent cholera.l Snow transformed the wa

15、y scientists study diseases.2.What contributions did John Snow make?The Father of Modern Epidemiology1.What caused the outbreak of cholera in London in 1854?A:It was believed that cholera was caused by bad _ or germs in _.B:Snow_the places where the people who _ had lived C:Many deaths occurred near

16、 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 _.D:The pump water carried _.Match the following headers with the letters from the chart above.Write A-E in the blanks.conclusionevidencehandleprocesssolutionthe

17、oriesRead the passage again and complete the chart below.E:The _ of the pump was removed.airfood or watermarked ondiedwater pumphadntdrinking water from the pumpcholera germsPost-readingIn order not to get infected with disease,what should we pay attention to in our daily life.Drink boiled water.Rem

18、ember to wear a mask when going out.Heat the food left overnight.Wash your hands often.Cook raw food thoroughly.Deal with rubbish timely and properly.Post-reading Qualitiespassion creativitydevotionselflessness hard workWhat qualities do you need to be a scientist?Post-reading句 式 和 词 块 积 累1.used to

19、do.过去常常做某事2.one of the most feared diseases最令人恐惧的疾病之一3.in the early 19th century在19世纪早期4.an outbreak of xxx hit sp.某地爆发xxx5.die from 死于 6.in time 经过一段时间之后；及时；7.rise to become 逐渐成为 8.attend to 照顾；照料9.give birth 生孩子；产子 10.once and for all最终的；彻底的Read the Para 1 and find the complex sentences and useful

20、 phrases.标注从句标注非谓语and不同颜色标注并列成分Cholera used to be one of the most feared diseases in the world,until a British doctor,John Snow,showed how it could be overcome.This illness causes severe diarrhoea,dehydration,and even death.In the early 19th century,when an outbreak of cholera hit Europe,millions of

21、 people died from the disease.As a young doctor,John Snow became frustrated because no one knew how to prevent or treat cholera.In time,he rose to become a famous doctor,and even attended to Queen Victoria when she gave birth.However,he never lost his desire to destroy cholera once and for all.句 式 和

22、 词 块 积 累1.in general 一般来说2.sb.have two xxx.One xxx is that.The other is that.一个是另一个是3.cause the disease导致疾病4.be caused by由导致5.subscribe to the second theory 同意；赞成6.so that 如此以至于7.be determined to do 决定做某事Read the Para 2 and find the complex sentences and useful phrases.标注从句标注非谓语and不同颜色标注并列成分In gener

23、al,doctors in those days had two contradictory theories to explain how cholera spread.One theory was that bad air caused the disease.Another was that cholera was caused by an infection from germs in food or water.Snow subscribed to the second theory.It was correct,but he still needed proof.Consequen

24、tly,when an outbreak of cholera hit London in 1854,Snow began to investigate.He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days.He was determined to find out why.句 式 和 词 块 积 累1.mark on a map the exact places在地图上标记确切的位置2.water pu

25、mp水泵3.have no deaths无人死亡4.be to blame该受责备；承担责任Read the Para 3 and find the complex sentences and useful phrases.标注从句标注非谓语and不同颜色标注并列成分Snow began by marking on a map the exact places where all those who died had lived.There were multiple deaths near the water pump in Broad Street(especially house num

26、bers 16,37,38,and 40).However,some households(such as 20 and 21 Broad Street,and 8 and 9 Cambridge Street)had had no deaths.These people worked in the pub at 7 Cambridge Street.They had been given free beer,and so had not drunk the water from the pump.Snow suspected that the water pump was to blame.

27、句 式 和 词 块 积 累1.The truth is that xxx 事实是2.be infected by被感染3.a link between A and B.A和B之间的联系4.be polluted by raw waste被未经处理的垃圾污染5.be(much more)likely to do(更)有可能做某事6.drink pure or boiled water.喝纯净水或开水Read the Para 4 and find the complex sentences and useful phrases.The truth was that the water from

28、the Broad Street pump had been infected by waste.Moreover,Snow was later able to show a link between other cases of cholera and the different water companies in London.Some companies sold water from the River Thames that was polluted by raw waste.The people who drank this water were much more likely

29、 to get cholera than those who drank pure or boiled water.标注从句标注非谓语and不同颜色标注并列成分Through Snows tireless efforts,water companies began to sell clean water and the threat of cholera around the world saw a substantial decrease.However,cholera is still a problem.Each year,millions of people around the wo

30、rld get cholera and many die from it.Fortunately,we now know how to prevent cholera,thanks to the work of John Snow.Moreover,in his use of maps and statistics,Snow transformed the way scientists study diseases.For this reason,Snow is considered the father of modern epidemiology.句 式 和 词 块 积 累1.through ones tireless efforts经过某人不懈努力2.a sustanitial decrease大幅减少3.xxx is still a problem仍然是个问题4.thanks to幸亏；由于5.in use of在使用时6.for this reason 为此，由于这个原因7.the father of modern epidemiology.现代流行病学之父Read the Para 5 and find the complex sentences and useful phrases.标注从句标注非谓语and不同颜色标注并列成分Thanks