人教版必修五Unit1GreatscientistsReading課件

1、ReadingUnit 1 Great scientists人教版高中英語必修五Do you know any kind of science?math/maths/mathematics, physics, chemistry, biology, biochemistry,geography, astronomy, medical science,psychology, economy, Warming up 1: Scientists people who work on scienceWho is the scientist?He is Archimedes (阿基米德)He disco

2、vered that objects in water are lifted up by a floating force.Warming up 2:You can tell the names in Chinese if you dont know their English names.He is He wrote a book explaining how animals and plants developed as the environment changed.Who is he?Charles Darwin.He is He used peas to show how physi

3、cal characteristics are passed from parents to their children?Who is he?Gregor MendelWho is he?He is He invented the long-living bulb and the way of giving electricity to everybody in large cities.Thomas EdisonWho is he?He is He put forward a theory about black holes. Stephen HawkingWho is he?He did

4、 research in astronomy, and is father of Missile in China.He is Qian Xuesen. Who is he?NicolausCopernicusHe believed the sun is the center of the universe and the earth and other planets goes around it. He is John SnowJohn Snow(1813-1858) John Snow was born in York on March 15th, 1813. YorkLondonHe

5、graduated M.D. of the University of London on 20 Dec. 1844. Dr. Snow was also a prominent anesthesiologist(麻醉師).He designed a chloroform inhaler(氯仿吸入器).What was he most famous for?John Snow Defeats “King Cholera”Question 1: What is cholera?Question 2: How did John Snow defeat “King Cholera? Reading

6、(P2)John Snow Defeats “King Cholera”GermanyGreat BritainLondonThe spread of cholera 1831年至1832年，英國爆發(fā)霍亂，造成約2.2 萬人死亡。1848 年霍亂再次發(fā)生，死亡人數(shù)超過7.2萬。 draw a conclusionthink of a methodcollect resultsmake a questionfind a problemanalyse the resultsFind supporting evidence7 stages in scientific research Whats t

7、he right order of the 7 stages?a medicalscientistStage 1Find a problemA large number of people died of cholera, but neither its 1. _ nor its 2. _ was understood.Stage 2 Theory one: Cholera 3. _ in the air and floated around until it found its victims. Theory two: When people 4. _ cholera into their

8、bodies with meals, their bodies were attacked.Stage 3 Began to gather information to 5. _ that the second theory was correct.Stage 4Collect resultsMarked where the dead people had lived on a(n) 6. _.Stage 5 Looked into the 7. _ of the water to see if the problem was the water.Stage 6 Found supportin

9、g evidence from two other deaths: Both of them died of cholera after 8. _.Stage 7Draw a conclusion 9. _ carried the virus. All the water supplies should be 10. _.cause absorbed multipliedcuremap provesource drinking the water Polluted waterexaminedMake a questionThink of a methodAnalyse the resultsF

10、ind supporting evidenceTask1：Fast reading7 stages in scientific research 7. draw a conclusion3. think of a method4. collect results2. make a question1. find a problem5. analyze the results6. find supporting evidenceLook at the picture. Do you think John Snow would have solved this problem without th

11、e map? Give a reason.Task2. Careful reading:Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseextra evidence: A woman and her daughter who lived far away but drank the water also died.The water was from the river which had been polluted by

12、the dirty water from London._ John Snow began to test two theories._ An outbreak of cholera hit London 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.

13、_ He found that most of the deaths were near a water pump._ He had the handle removed from the water pump.35681274Task 3. Post readingExercise1:Cholera was a 19th century disease. What disease do you think is similar to cholera today? Why?Exercise 2: Four diseases, which are similar today, are SARS,

14、 AIDS, bird flu and Ebola because they are serious and infectious, have an unknown cause and need public health care to solve them.Stage 1Find a problem Stage 2Make a question Stage 3Think of a method Stage 4Collect results Stage 5Analyse the results Stage 6Find supporting evidence Stage 7Draw a con

15、clusion Further thinking: Find a problem to do a scientific research as the scientists:Problem 1: Water in Zunyi Xiangjiang River often become beer-like after rain.Problem 2: The computer in our class often breaks down when we are using it. Problem 3: Your lazy desk-mate suddenly became hard-working

16、 and made great progress in study. Problem examples:Stage 1Find a problemMy baby repeatedly ran a fever last summer. It can be cured in hospital but its cause was unknown.Stage 2Make a question Theory one: Bacteria(細菌) or virus existed in my babys living surroundings and found their victim. Theory t

17、wo: When babies are 3 years old, their immune system get adjusted (免疫系統(tǒng)調(diào)節(jié)) and they are easily attacked by some diseases but theres no danger.Stage 3Think of a methodBegan to try physical treatment (物理療法) without going to hospital to test whether the second theory was right.Stage 4Collect resultsRec

18、orded my babys body temperature changes and other daily behavior like eating and playing.Stage 5Analyze the resultsLooked into the records and compared them with her normal state to see if the problem was the water.Stage 6Find supporting evidenceFound supporting evidence from two other babies: Both

19、of them easily got ill around 3 years.Stage 7Draw a conclusion Nothing carried the virus or bacteria around my baby. It was a period when her immune system was adjusted and should be treated with physical methods rather than going to hospital every time.Stage 1Find a problemA large number of people died of cholera, but neither its 1. _ nor its 2. _ was understood.Stage 2 Theory one: Cholera 3. _ in the air and floated around until it found its victims. Theory two: When pe