Unit 1 Reading and Thinking (ppt课件)(5)-2022新人教版(2019)《高中英语》选择性必修第二册.pptx

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1、SCIENCE AND SCIENTISTS U n i t 1玉林市第一中学 黄心平Lead-inIf only none of this had happened.What is the disease mentioned in the video?Covid-19Lead-inWhat common infectious diseases do you know?霍乱:Cholera天花:Small pox黑死病:Bubonic Plague流感:InfluenzaLead-inWhat do you know about Cholera?John Snow Defeats“King C

2、holera”Who?How?What?Pre-readingWhile-readingSkim the article and match the main ideas.Para1 Para 2 Para 4Para 5 the second Para 3 While-readingRead for the imformation.Para 1 Who&What?John SnowCholeraa _ doctorbecame _ never _ _ once and for allBritish,young and famous_ Queen Victoriaattended tofrus

3、tratedlost his desire to destroy choleraone of _deseasescauses severe _ _millions of people _the disease in the early 19th 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 explai

4、n how Cholera spread.2.What were the two theories and which did John Snow agree with?Two contradictory theories Theory one: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

5、.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.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 res

6、ult did he get?Snow suspected that the water pump was to blame.A woman and her daughter died in another part of London after 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.Whil

7、e-readingRead for the stages.Para 2&3 How?STAGES IN SCIENTIFIC RESEARCH Draw a conclusion Collect data Ask a question Find a problem Analyse the results Find supporting evidence Think of a method While-readingRead for the stages.Para 2&3 How?Find a problemAsk a questionRead for the stages.Think of a

8、 method Collect data Analyse the results Find supporting evidence Draw a conclusion Find a solution While-readingRead for the stages.Para 2&3 How?STAGES IN SCIENTIFIC RESEARCH Draw a conclusion Collect data Ask a question Find a problem Analyse the results Find supporting evidence Think of a method

9、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 way s

10、cientists 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 th

11、e _ 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.conclusionevidencehandleprocesssolutiontheori

12、esRead 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.Rememb

13、er 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-readingPost-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”Thank You 玉林市第一中学 黄心平

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