【课件】Unit+1Reading+and+Thinking课件英语人教版（2019）选择性必修第二册.pptx

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1、Unit1Science and Science and Scientists Scientists Reading and thinkingBook 5Warming upWarming upAre you familiar with these situations?Are you familiar with these situations?take nucleic acid tests get vaccinated做核酸检测做核酸检测接种疫苗接种疫苗 Positive measures are taken to fight against Covid-19.Warming upWarm

2、ing upBesides coronavirus,what other kinds of Besides coronavirus,what other kinds of epidemics(epidemics(流行病)do you know?do you know?bird-flu（禽流感）（禽流感）malaria（疟疾）（疟疾）plague（鼠疫）（鼠疫）Ebola(埃博拉埃博拉)John snow“King cholera”1.Get information about how John Snow defeated cholera;2.Summarize the stages for J

3、ohn Snows scientific research;3.Talk about the significance of Johns work and his qualities and scientific spirits.Learning objectivesJohn Snow:John Snow:Task 1PredictionDifficulty：According to the title and pictures,the story is going to tell us information According to the title and pictures,the s

4、tory is going to tell us information about.about.John Snow Defeats“King Cholera”Who?How?What?The text is mainly about _ and _ he defeated king cholera.howJohn SnowWe can predict thatWe can predict that To findWho?What?checkWho is John Snow?A doctorBritish,young,famous Queen Victoria Attended toNever

5、 lost to his desiredestroy cholera checkWhat is the Cholera?One of diseasesCaused severe the most feared millions of people the disease in the early 19th centurydied from diarrhoea,dehydration,deathTask 2Fast read for main ideaDifficulty：Fast readingFast readingRead the passage quickly and Read the

6、passage quickly and choose the correct key words choose the correct key words to summarize each to summarize each paragraph.paragraph.ParagraphsParagraphsMain ideaMain idea12-345What?Who?How?The truthResults and significanceTask 3Careful read for research stage Difficulty：If you were the scientiIf y

7、ou were the scientific fic researcher,what research researcher,what research measures you will take?measures you will take?Draw a conclusion Collect data Ask a question Find a problem Analyze the results Find supporting evidence Think of a method Think:What order would you put them in?Think:What ord

8、er would you put them in?Discuss the following stages of scientific research in groups.Put them in Discuss the following stages of scientific research in groups.Put them in correct correct order order and find key words and sentences in and find key words and sentences in supportsupport of each stag

9、e in scientific of each stage in scientific research.research.orderStageKey words or sentencesanalyze the resultsanalyze the resultsask a questionask a questiondraw a conclusiondraw a conclusioncollect datacollect datafind a problemfind a problemfind supporting evidencefind supporting evidencethink

10、of a methodthink of a methodTheories to explain how cholera spreadHe was determined to find out whySnow began by marking on a map house numbers 16，37，38，and 40 20 and 21 Broad Street，8 and 9 Cambridge StreetSnow suspected that the water pump was to blamea woman and her daughter had died of cholera A

11、s a result of this evidence,John Snow was able to announce that the pump water carried cholera germs.1234567Task 4read for research processDifficulty：Stage1-2Stage1-21.What are the two theories?_2.Which theory does Snow approve of?_3.What did he discover?_One theory.；another wasSnow subscribed to th

12、e second theory.He discovered that in two particular.in ten days.why the two streets were so severe?Stage3-4-5.Based on para.3,Stage3-4-5.Based on para.3,mark on the map the exact places and find out mark on the map the exact places and find out whywhy two streets were so severe?.two streets were so

13、 severe?.4.Based on para.3,4.Based on para.3,mark on the map the exact places.mark on the map the exact places.What does the red stars stand for?multiple deaths happened here.What does the green stars stand for?No death happened here.Why?CLUE:free beer from public houseSuspect that the water from th

14、e pump was to blame.John Snow:John Snow:I suspect that the water pump is to blame.But I need supporting evidence.Can you help me?findWhat is the proof?Para3 Stage6-7Stage6-7 checkWhat is the proof?The death of a mother and her daughterconcludeThe pump water carried cholera germssolveRemoved the hand

15、le of the pumpTask 5Careful read for rootDifficulty：findHelp John Snow find the root of the problem?Para4 checkHelp John Snow find the root of the problem?Broad Street pump had been badly infected by waste Water companies sold water from River ThamesRiver Thames was polluted by raw waste What did Jo

16、hn Snow achieve?findPara5 What did John Snow achieve?checkThe threat od cholera saw a substantial decreaseThe measures of prevent choleraTransformed the way scientists study diseasesJohn Snow:John Snow:Congratulations to you on successfully completing the challenge and helping me defeat the“King of

17、Cholera”！John Snow:John Snow:Now,Lets make a summary！DiscussionIn order not to get infected with disease,what should we pay attention to in our daily life?Group discussion In our daily life,in order not to get infected with the infectious disease,such as cholera,AIDS,SARS,COVID-19,what should we do？

18、Heal the food left overnightCook raw food thoroughlyWash hands oftenKeep away from flieschoose fresh sea foodKeep the kitchen cleandeal with rubbish properly.Drink boiled waterDont forget to wear a mask when you go out.DiscussionRead the passage again and complete the chart below.Read the passage ag

19、ain and complete the chart below.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 the _ in Broad Street.Some people _ drunk the water from the pump,and lived.A woman and her daughter died in another part o

20、f London after _.D:The pump water carried _.handleE:The _ of the pump was removed.airfood or watermarked ondiedwater pumphadntdrinking water from the pumpcholera germsMatch the following headers with the letters from the chart above.Write A-E in the blanks.Read the passage again and complete the cha

21、rt below.Read the passage again and complete the chart below.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 the _ in Broad Street.Some people _ drunk the water from the pump,and lived.A woman and her dau

22、ghter died in another part of London after _.D:The pump water carried _.handleE:The _ of the pump was removed.airfood or watermarked ondiedwater pumphadntdrinking water from the pumpcholera germsconclusion evidenceprocess solutiontheoriesMatch the following headers with the letters from the chart ab

23、ove.Write A-E in the blanks.To set out a new scientific idea through a scientific research,what qualities do you think are the three most important ones that the researcher should be equipped with?And give your reasons in brief.hard-working lazy patient edgy(急躁的急躁的)sympathetic wise devoted selfish c

24、reative reliable calm stubborn generous responsible cautious handsome imaginative determinedGroup-workingTo raise new questions,new possibilities,to regard old problems from a new angle requires creative imagination and marks real advance in science.-Albert Einstein&Leopold Infeld提出新的问题，发现新的可能，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。阿尔伯特爱因斯坦&利奥波德英费尔德Quote：Homework1.Decide on one scientist that you admire most2.Find out one of his most important achievements3.Write down the story Youd better give it a title.If possible,attatch some pictures.Father of hybrid riceTHANKS