新课标人教版必修五Book5 Unit1 Reading

1、Unit 1 Great Scientists,Reading,Warming Up,There are some great scientific achievements that have changed the world. Can you name some of them? What kind of role do they play in the field of science? Do these achievements have anything in common? Match the inventions with their inventors below befor

2、e you answer all these questions.,Do you know?,Who discovered that objects in water are lifted up by a force that helps them float?,Who wrote a book explaining how animals and plants developed as the environment changed?,Archimedes,Charles Darwin,Who invented the first steam engine?,Thomas Newcomen,

3、Who used peas to show how physical characteristics are passed from parents to their children?,Gregor Mendel,Who discovered radium?,Who invented the way of giving electricity to everybody in large cities?,Who was the painter that studied dead bodies to improve his painting of people?,Maries Curie,Tho

4、mas Edison,Leonardo da Vinci,Who invented a lamp to keep miner safe underground?,Who invented the earliest instrument to tell people where earthquakes happened?,Who put forward a theory about black holes?,Sir Humphrey Davy,Zhang Heng,Stephen Hawking,Do you know who defeated “King Cholera”?,John Snow

5、,John Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera”.,Do you know what kind of disease is cholera?,It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.,When we wan

6、t to solve some problem. First we should find the problem, do some research on it, prove your finding, and then make a conclusion. This is a scientific and objective way of researching.,1. What order would you put the seven in?,Pre-reading,Please put the 7 stages in right order according to the pass

7、age.,Lets get to know how Dr. John Snow defeated “King Cholera” in 1854 in London in this reading passage:,John Snow Defeats “King Cholera”,Skimming,Read the passage and number these events in the order that they happened. - John Snow began to test the two theories. - An outbreak of cholera hit Lond

8、on in 1854 - John Snow marked the deaths on a map - He announced that the water carried the disease - John Snow investigated two streets where the outbreak was very severe - King Cholera was defeated - He found that most of the deaths were near a water pump - He had the handle removed from the water

9、 pump,2,1,4,7,3,8,5,6,Careful Reading,Task1: What happened in 1854? How many people died in 10 days? Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street?,Cholera outbreak hit London.,500,These families had not drunk the water from the Broad Street pump.,Tas

10、k 2: Read and answer,1 Why couldnt the cholera be under control at first? 2 Which theory did John Snow believe in? 3 John Snow finally proved the theory he believed by _. A. gathering information with the help of a map B. looking into the source of the water for Broad Street and Cambridge Street C.

11、Separating those who suffered cholera from those who didnt D. Both A and B 4 What s the extra evidence?,5 To prevent the cholera from spreading again, what did John Snow do? 6. Whats the main idea of the passage? A.John Snow was a well-known doctor in London. B.The cause of Cholera was polluted wate

12、r. C.The source of all drinking water should be examined. D.How did John Snow collect, analyze data and find the cause of the disease and solved it .,1 Why couldnt the cholera be under control at first? 2 Which theory did John Snow believe in?,Neither its cause, not its cure was understood.,People a

13、bsorbed cholera into their bodies with their meals.,3 John Snow finally proved the theory he believed by _. A. gathering information with the help of a map B. looking into the source of the water for Broad Street and Cambridge Street C. separating those who suffered cholera from those who didnt D. b

14、oth A and B,4 What s the extra evidence? A woman and her daughter who lived far away but drank the water also died.,5 To prevent the cholera from spreading again, what did John Snow do? He suggested that the source of all water supplies be examined and instructed the water companies not to expose pe

15、ople to the polluted water anymore.,6 Whats the main idea of the passage? A.John Snow was a well-known doctor in London. B.The cause of Cholera was polluted water. C.The source of all drinking water should be examined. D.How did John Snow collect, analyze data and find the cause of the disease and s

16、olved it .,John Snow Defeats “King Cholera”,The passage is written as a report of an experiment and there are 7 steps:,1.Find a problem:(发现问题) 2.Make up a question:(形成研究主题) 3.Think of a method:(找出研究方法) 4.Collect results:(收集材料) 5.Analyse results:(分析材料) 6.Repeat if necessary:(必要时重新分析) 7.Draw a conclus

17、ion:(得出结论),Mind Map of the text,John Snow Defeats “King Cholera”,Paragraph 1: Introduction of John Snow and Cholera,Paragraph 2: Two theories,Find a Problem: What cause the cholera?,Make a question: Which is right?,Paragraph 3-5: Study of the breakout in 1854,Paragraph 3: Study of the breakout in 18

18、54,Think of a method: Test two theories Collect the result: Mark the death Analyse the result: Reason for death and no death,Paragraph 4: Study of the breakout in 1854,Paragraph 5: Study of the breakout in 1854,Analyse the result: Find the resource of the water,Find supporting evidence: A woman and

19、her daughter who lived far away but drank the water also died. .Draw a conclusion: Cholera was spread by germ Polluted water carried virus,Paragraph 6: Prevention of Cholera John Snow defeat King Cholera,Read the passage again and fill in the blanks: John Snow was a well-known _ in London in the _ c

20、entury. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information. He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried chol

21、era. He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated.,doctor,19th,cause,defeat,broke,marked,pump,source,examined,dealing,(in 5 minutes),Group Discussion,1. John Snow believed Idea 2 was right. How did he finally prove it? John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie ca