人教版高二英語(yǔ)-選擇性必修2-Unit1-Reading-and-Thinking-課件

1、Unit 1 Science and ScientistsReading and ThinkingUnit 1 Science and ScientistsLearning objectivesIn this class, you willget information about how John Snow defeated cholera;summarize the stages of scientific research;talk about the significance and contribution of Johns work.Learning objectivesIn th

2、is claActivity 1: Read the title and predict. JOHN SNOW DEFEATS “KING CHOLERA”Who was John Snow?What is King Cholera?What does “defeat” mean?What did John Snow do about King Cholera?Activity 1: Read the title andFirst readingActivity 2: Read the passage and check your predictions. 1. Who was John Sn

3、ow?He was a British doctor.2. What is King Cholera?It used to be one of the most feared diseases in the world and millions of people died from it in the early 19th century.a. seriousn. 霍亂First reading1. Who was John SFirst readingActivity 2: Read the passage and check your predictions. 3. What does

4、“defeat” mean?It means to win against something.4. What did John Snow do about King Cholera?He conducted research and found out how cholera spread.First reading3. What does “defSecond readingActivity 3: Read the passage again and find the main information in each paragraph on how John Snow defeated

5、King cholera.Second readingActivity 3: Read the passage again and find the main information of each paragraph.Paragraph 1: Cholera hit Europe in the early 19th century and John Snow showed how it could be overcome. Para. 1: Cholera used to be one of the most feared diseases in the world, until a Bri

6、tish doctor, John Snow, showed how it could be overcome. In the early 19th century, when an outbreak of cholera hit EuropeActivity 3: Read the passage aActivity 3: Read the passage again and find the main information of each paragraph.Paragraph 2: John Snow found a problem. Para. 2: In general, doct

7、ors in those days had two contradictory theories to explain how cholera spread. 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.a. 對(duì)立的Activity 3: Read the passage aActivity 3: Read the passa

8、ge again and find the main information of each paragraph.Paragraph 3: John Snow conducted research to stop the disease. Para. 3: Snow began by marking on a map the exact places where all those who died had lived. Accordingly, he had the handle of the pump removed so that it could not be used. Throug

9、h this intervention, the disease was stopped in its tracks. n. 把手 n. 泵 Activity 3: Read the passage aActivity 3: Read the passage again and find the main information of each paragraph.Paragraph 4: John found the truth about cholera. Para. 4: The truth was that the water from the Broad Street pump ha

10、d 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. v. to make a disease spread to sb./sth.n. connectionActivity 3: Read the passage aActivity 3: Read the passage again and find the main information of eac

11、h paragraph.Paragraph 5: John contributed a lot to how to prevent cholera and how to study diseases. Para. 5: 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 re

12、ason, Snow is considered the father of modern epidemiology.n. 流行病學(xué)v. changeActivity 3: Read the passage aSummaryThe main information about how John defeated cholera:Paragraph 1: Cholera hit Europe in the early 19th century and John Snow showed how it could be overcome. Paragraph 2: John Snow found a

13、 problem. Paragraph 3: John Snow conducted research to stop the disease. Paragraph 4: John found the truth about cholera. Paragraph 5: John contributed a lot to how to prevent cholera and how to study diseases. SummaryThe main information abActivity 4: Try to put the following stages of scientific r

14、esearch in order. _ analyse the results_ ask a question_ draw a conclusion_ collect data_ find a problem_ find supporting evidence_ think of a methodActivity 4: Try to put the fol1st stage: Find a problemPara. 2: In general, doctors in those days had two contradictory theories to explain how cholera

15、 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. Read paragraphs 2 and 3 and circle the key words to put the stages in order.1st stage: Find a problemPara.2nd stage: Ask a q

16、uestionPara. 2: In general, doctors in those days had two contradictory theories to explain how cholera spread. 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. Read paragraphs 2 and 3 and c

17、ircle the key words to put the stages in order.2nd stage: Ask a questionPara.3rd stage: Think of a methodPara. 3: 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 numbers 16, 37, 38, a

18、nd 40). Read paragraphs 2 and 3 and circle the key words to put the stages in order.3rd stage: Think of a methodPa4th stage: Collect dataPara. 3: Snow began by marking on a map There were multiple deaths near the water pump in Broad Street (especially house numbers 16, 37, 38, and 40). However, some

19、 households (such as 20 and 21 Broad Street, and 8 and 9 Cambridge Street) had had no deaths. Read paragraphs 2 and 3 and circle the key words to put the stages in order.n. all the people living in a house4th stage: Collect dataPara. 35th stage: Analyse the resultsPara. 3: Snow began by marking on a

20、 map There were multiple deaths near the water pump in Broad Street (especially house numbers 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. Read paragraphs 2 and 3 and circle the key words to put the stages in order.a.

21、 many5th stage: Analyse the results6th stage: Find supporting evidencePara. 3: Snow began by marking on a map Whats more, in another part of London, a woman and her daughter had died of cholera after moving away from Broad Street. It seemed that the woman liked the water from the pump so much that s

22、he had it delivered to her house every day. Read paragraphs 2 and 3 and circle the key words to put the stages in order.6th stage: Find supporting evi7th stage: Draw a conclusionPara. 3: Snow began by marking on a map As a result of this evidence, John Snow was able to announce that the pump water c

23、arried cholera germs. Accordingly, he had the handle of the pump removed so that it could not be used. Through this intervention, the disease was stopped in its tracks. Read paragraphs 2 and 3 and circle the key words to put the stages in order.n. 病菌7th stage: Draw a conclusionPaSummaryThe stages of

24、 scientific researchThe 1st stage: find a problemThe 2nd stage: ask a questionThe 3rd stage: think of a methodThe 4th stage: collect dataThe 5th stage: analyse the resultsThe 6th stage: find supporting evidenceThe 7th stage: draw a conclusionSummaryThe stages of scientifiThird readingActivity 5: Rea

25、d the passage and get more information on how Snow defeated cholera.Third readingRead paragraph 1 and fill in the blanks to get the specific information about cholera.choleraWhat? It is one of _ because it causes _.When? _.Where? _. What consequence? _.Read paragraph 1 and fill in tRead paragraph 1

26、and fill in the blanks to get the specific information about cholera.choleraWhat? It is one of _ because it causes _.When? _.the most feared diseasessevere diarrhoea, dehydration, and even deathIn the early 19th centuryn. 脫水n. 腹瀉Read paragraph 1 and fill in tRead paragraph 1 and fill in the blanks t

27、o get the specific information about cholera.choleraWhere? _. What consequence? _.EuropeMillions of people died from the diseaseRead paragraph 1 and fill in tRead paragraphs 2 and 3 and complete the chart to get specific information about the cholera research (Page 3, Activity 3).Steps in the resear

28、chRead paragraphs 2 and 3 and coABIt was believed that cholera was caused by bad _ or germs in _.Snow _ the places where the people who _ had lived.airfood or watermarked on a mapdied(1) Fill in the blanks and finish the steps in the research.AIt was believed that cholera CMany deaths occurred near

29、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 _.The pump water carried _.water pumphadntdrinking water from the pumpcholera germsThe _ of the pump was removed.handleDE(1) Fill in the blanks and finish the st

30、eps in the research.CMany deaths occurred near the(2) Match the headers with the letters from the chart to summarise and review the research steps (Page 3, Activity 4).Write A-E in the blanks.1 conclusion _2 evidence _3 process_4 solution_5 theories_Steps in the research(2) Match the headers with th

31、eAB(2) Summarise and review the research steps.It was believed that cholera was caused by bad _ or germs in _.Snow _ the places where the people who _ had lived.airfood or watermarked on a mapdiedtheoriesprocessA(2) Summarise and review the CMany deaths occurred near the _ in Broad Street.Some peopl

32、e _ drunk the water from the pump, and lived.A woman and her daughter died in another part of London after _.water pumphadntdrinking water from the pump(2) Summarise and review the research steps.evidenceCMany deaths occurred near theThe pump water carried _.cholera germsThe _ of the pump was remove

33、d.handleDE(2) Summarise and review the research steps.conclusionsolutionThe pump water carried _(2) Summarise and review the research steps.theoriesprocessevidenceconclusionsolutionresearch method(2) Summarise and review the rRead the map and get to know the research method further.What kind of map

34、is it?What does “” mean?What does “PH” mean?Where is the pump? Read the map and get to know tRead paragraphs 4 and 5 and answer questions.1. What caused the outbreak of cholera in London in 1854?2. Was cholera destroyed completely?3. How can we prevent cholera?Read paragraphs 4 and 5 and anRead para

35、graphs 4 and 5 and answer questions.1. What caused the outbreak of cholera in London in 1854?The water which came from the River Thames and had been infected by waste.Para. 4: The truth was that the water from the Broad Street pump had been infected by waste. Some companies sold water from the River

36、 Thames that was polluted by raw waste. Read paragraphs 4 and 5 and anRead paragraphs 4 and 5 and answer questions.2. Was cholera destroyed completely?No.Para. 5: Through Snows tireless efforts, water companies began to sell clean water, and the threat of cholera around the world saw a substantial d

37、ecrease. However, cholera is still a problem. Each year, millions of people around the world get cholera and many die from it. Read paragraphs 4 and 5 and anRead paragraphs 4 and 5 and answer questions.3. How can we prevent cholera?By drinking pure or boiled water.Para. 4: The truth was that the wat

38、er from the Broad Street pump had been infected by waste. The people who drank this water were much more likely to get cholera than those who drank pure or boiled water.a. cleanRead paragraphs 4 and 5 and anActivity 6: Answer questions and talk about the contribution of Johns work (Page 3, Activity

39、6).What was the most important tool Snow used to defeat cholera? What common medical tools, e.g., a microscope, didnt he use? Why? How has John Snows work affected our daily lives?n. 顯微鏡Activity 6: Answer questions aWhat was the most important tool Snow used to defeat cholera? What common medical to

40、ols, e.g., a microscope, didnt he use? Why? Para. 5: Moreover, in his use of maps and statistics, Snow transformed the way scientists study diseases. For this reason Activity 6: Answer questions and talk about the contribution of Johns work.n. 統(tǒng)計(jì)數(shù)字What was the most important toWhat was the most important tool Snow used to defeat cholera? What common medical tools, e.g., a microscope, didnt he use? Why? He used maps and statistics to analyse where the deaths occurr