UnitGreatscientistsReadingPPT学习教案

1、会计学1UnitGreatscientistsReading第1页/共39页Alexander Bell electricity Thomas Edison the First telephoneLaite Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of Relativity第2页/共39页Who is he?H

2、e is Archimedes (阿基米德阿基米德)Which scientist discovered that objects in water are lifted up by a force that helps them float?第3页/共39页Charles Darwin.Who is he?He is Who wrote a book explaining how animals and plants developed as the environment changed?第4页/共39页Thomas Newcomen.Who is he?He is Who invente

3、d the first steam engine?第5页/共39页Gregor MendelWho is he?He is Who used peas to show how physical characteristics are passed from parents to their children?第6页/共39页Marie CurieWho is he?She is Who discovered radium?第7页/共39页Thomas EdisonWho is he?He is Who invented the way of giving electricity to ever

4、ybody in large cities?第8页/共39页Leonardo da VinciWho is he?He is Who was the painter that studied dead bodies to improve his painting of people?第9页/共39页Humphry DavyWho is he?Who is he?He is Who invented a lamp to keep miners safe underground?第10页/共39页 Stephen HawkingWho is he?He is Who put forward a t

5、heory about black holes?第11页/共39页 put forward 提出提出e.g. He put forward a valuable suggestion at the meeting. Josh put forward a plan for an outing this weekend.【拓展拓展】 我们在以前还学过表示我们在以前还学过表示“提出提出”的短语，它们是的短语，它们是 _ 和和come up with。bring up第12页/共39页 常见的常见的put短语还有：短语还有：put away 收起来；存蓄收起来；存蓄put off 推迟，延期推迟，延期

6、put on 穿上，戴上；上演穿上，戴上；上演put out 使熄灭；生产；出版使熄灭；生产；出版put through 接通电话；使经历；使通过接通电话；使经历；使通过put up 举起；修建；张贴举起；修建；张贴第13页/共39页 【】 选用以上短语的适当形式填空。选用以上短语的适当形式填空。1. The suggestion _ by Mr. Wang at yesterdays meeting was a wonderful one.2. They decided to _ the picnic because of the rain.put forward put off第14页/共

7、39页2. What do you know about infectious diseases? What do you know about cholera?第15页/共39页GermanyGreat BritainDeath of first cholera case in London during the 1848-49 epidemic LondonPrevious cholera epidemic in Great Britain in 1831-32The spread of choleraThe spread of cholera第16页/共39页3. Look at the

8、 picture, the map and the title and predict the content of the reading passage. Then skim it quickly to see if you are right.第17页/共39页John Snow第18页/共39页Read the text (P2-3) quickly and complete the main idea of it. The text is mainly about _ and how he _.Johndefeated choleraSnow第19页/共39页I. To prove

9、a new scientific idea, seven stages are needed. Read the text (P2-3) carefully and fill in the blanks.第20页/共39页Stage 1 Find a problemA large number of people died of cholera, but neither its 1. _ nor its 2. _ was understood.Stage 2 Make a question Theory one: Cholera 3. _ in the air and floated arou

10、nd until it found its victims. Theory two: When people 4. _ cholera into their bodies with meals, their bodies were attacked.cause absorbed multipliedcure第21页/共39页Stage 3 Think of a methodBegan to gather information to 5. _ that the second theory was correct.Stage 4 Collect resultsMarked where the d

11、ead people had lived on a(n) 6. _.Stage 5 Analyse the resultsLooked into the 7. _ of the water to see if the problem was the water.map provesource第22页/共39页Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public house第23页/共39页Small, white, flocculent p

12、articlesThe water was from the river which had been polluted by the dirty water from London.第24页/共39页Stage 6Find supporting evidenceFound supporting 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

13、be 10. _. drinking the water Polluted waterexaminedextra evidence: A woman and her daughter who lived far away but drank the water also died.第25页/共39页I. Choose the best answer.1. We know from the text that John Snow _.A. had collected information before cholera broke out B. felt not quite sure after

14、 he finished the mapC. helped the woman from Broad StreetD. became famous after defeating cholera第26页/共39页2. Why did John Snow use a map in his research? A. It could help him find exactly how many people died of cholera.B. It could help him find the source of drinking water for people.C. It could he

15、lp him organize his ideas and find evidence.D. It could help him find his way in Broad Street.第27页/共39页3. Why was cholera called “King Cholera” in the text?A. Because it caused many deaths. B. Because it got its name from Queen Victoria.C. Because it was defeated with the help of the King. D. Becaus

16、e it was the most deadly disease of its day.第28页/共39页I.Number these events in the order that they happened._ John Snow began to test two theories._ An outbreak of cholera hit London in 1854._ John Snow marked the deaths on a map. 124第29页/共39页_ He announced that the water carried the disease._ John S

17、now 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 pump.35678第30页/共39页 Answer these questions.1. John Snow believed Idea 2 was right. How did he finally prove

18、 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 cases outside the area to the polluted water.第31页/共39页2. Do you think John Snow would have solved this problem without the map? Give a reason.No. The map

19、helped John Snow organize his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He第32页/共39页identified those houses that had had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause. 第33页/共39页3. Choler