高二英语必修五第一单元.ppt

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1、Great scientists,Unit 1,Read the new words and phrases on P91,New words reading,Warming up,know about 了解有关.的情况,know of 听说过,有些事我想了解一下.,There is something I want to know about.,我听说过那件事,但不很清楚.,I know of it,but I didnt know it well.,1.,词汇袋袋库,2.characteristic adj.独特的，特有的 n特征，特性 eg.genetic characteristics

2、 遗传特征character n性格；特征；人物，角色；characterize v是的特征；描述的特征characterless adj.无特色的；平凡的 区别future 和characteristicKindness is one of his _.My car doesnt have special _.,characteristics,futures,3.put forward:bring up,come up with eg:He put forward some useful advice at the meeting.We put forward Tom as monitor.

3、推荐The meeting has been put forward to 2:00 pm.提前,提出,An interesting suggestion for measuring the atmosphere around Mars has been _.Aput forwardBput down C.put up D.put aside,【解析】有人提出一个有趣的建议,【答案】A,考题练练看,put aside _put away _put off _put on _put down _put out _put up _put up with _,储蓄备用,把收拾起来,推迟,穿上，戴上；

4、上演，演出,举起；粘贴；建立，建设,忍受,放下,扑灭(火),Considering your salary，you should be able to _ at least twenty dollars a week.Aput forward Bput up Cput out Dput aside【解析】句意为“就你的工资而言，每周你应至少存20美元”。put forward提出；put up张贴；put out扑灭；put aside储存。【答案】D,考题练练看,When we talk about great scientists,who will come into your mind?

5、,Brainstorming,Father of hybrid rice,Yuan Longping,“The weak one sits and waits the opportunity;The powerhouse makes the opportunity.”弱者坐待时机；强者制造时机。,She got two Nobel Prizes,one for physics and the other for chemistry.,Madame Curie 居里夫人,“If I have seen further,it is by standing on the shoulders of g

6、aints.”,Isaac Newton艾萨克牛顿,“Genius is one percent inspiration and ninety-nine percent perspiration.”,Thomas Edison 托马斯爱迪生,Match the scientists with their achievementsAlbert Einstein 1.evolution(进化论)Charles Darwin 2.discovery of radiumMadame Curie 3.electric bulbThomas Edison 4.theory of relativityNic

7、olaus Copernicus 5.a brief history of timeStephen Hawking 6.the earth moves around Yuan Longping the sun 7.father of hybrid rice,Previous knowledge,Archimedes 阿基米德,1.Which scientist discovered that objects in water are lifted up by a force that help them float?,Lets do a quiz about some scientists,a

8、 Greek mathematician mmtn,“Give me a place to stand on,and I will move the earth”,2.Who wrote a book explaining how animals and plants developed as the environment changed?,Charles Darwin 达尔文,Lets do a quiz about some scientists,The Origin of Species,3.Who invented the first steam engine?,Thomas New

9、comen 纽科门,Lets do a quiz about some scientists,Watt瓦特,Thomas Edison托马斯 爱迪生,4.Who used peas to show how physical characteristics are passed from parents to their children?,Gregor Mendel门道尔,Lets do a quiz about some scientists,Isaac Newton 牛顿,Madame Curie 居里夫人,5.Who discovered radium in 1898?She recei

10、ved two Nobel Prizes,one for physics and one for chemistry.,Madame Curie 居里夫人,Lets do a quiz about some scientists,6.Who invented the way of giving electricity to everybody in large cities?,Thomas Edison 爱迪生,Lets do a quiz about some scientists,7.Who was the painter that studied dead bodies in order

11、 to improve his paintings of people?,Lets do a quiz about some scientists,Leonardo da Vinci达芬奇,8.Who invented a lamp to keep miners safe underground in 1815?,Lets do a quiz about some scientists,Sir Humphry Davy 大卫汉弗莱,Thomas Edison 爱迪生,Watt瓦特,9.Who invented the first seismograph to indicate in the d

12、irection of an earthquake?,Zhang Heng,Lets do a quiz about some scientists,Seismograph saizmr:f,10.Who put forward a theory about black holes?,Stephen Hawking 霍金,Lets do a quiz about some scientists,wise/smart/clever lazy friendly cruelhard-working warm-hearted meandevoted easy-going generousmodest

13、selfless nice handsomedetermined brave famous calm enthusiastic lovely honest reliableunkind selfish stubborn,What qualities do you think they have in common?,Try to get more information about great scientists.Preview the reading passage“John Snow Defeats King Cholera”.Remember the new words and phr

14、ases in this unit.,Homework,Reading,THINK,WORK,FIND,How do the scientists usually do scientific research?,Find a problemMake a questionThink of a methodCollect results Analyse the resultsFind supporting evidenceDraw a conclusion,SOLVE,What infectious diseases do you know?,Infectious diseases can be

15、spread to other people.They have an unknown cause and need public healthcare to solve them.,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.,What do you know about cholera?,Do you know this person?,A w

16、ell-known doctor in the 19th century in London.A legendary figure in epidemiologyep,di:mi:ldi:(流行病学)and anesthesiology(麻醉学)nis,izildi,John Snow(1813 1858),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 mark

17、ed 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 pump.,2,1,4,7,3,8,5,6,Fast reading,F

18、ind a problem,The _ of cholera,causes,Careful reading,1.Use the seven stages in setting out a new scientific idea to describe each paragraph.,Theory two:When people _ cholera into their bodies with meals,their bodies were attacked and soon they died.,Theory one:Cholera _ in the air and dangerous gas

19、 floated around until it found its victims.,Make up a question,multiplied,absorbed,Think of a method,To _ that the second theory was correct.,suspect,Collect results,Some information was _ on a map.It seems that water was to _.,Analyse results,_ the source of the water to see if it is the cause of t

20、he illness.,marked,Look into,blame,Find supporting evidence,Extra _ was found from two deaths that were _ Broad Street outbreak.,Draw a conclusion,_ water spread cholera.“King Cholera”was _.,evidence,linked to,defeated,Polluted,2.Why was cholera called“King Cholera”in the text?A.Because cholera caus

21、ed some deaths.B.Because it got its name from Queen Victoria.C.Because cholera was the most deadly disease of its day.D.Because it was defeated with the help of the king.,3.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.Th

22、e source of all drinking water should be examined.D.How John Snow collected,analyzed data and found the cause of the disease and solved it.,Careful reading,1.John Snow believed Idea 2 was right.How did he finally prove it?He found an outbreak that was clearly related to cholera.He collected,analyzed

23、 the data and found the cause of the disease and solved it.,Group Discussion,2.Do you think John Snow would have solved this problem without the map?No.I dont think so.The map helped John Snow organize his ideas.Yes,I think he would.But he would spend more time in testing the two theories and it wou

24、ld be more difficult for him to look into the cause of cholera.,3.Cholera is a 19th century disease.What disease do you think is similar to cholera today?Two diseases,which are similar today,are SARS and AIDS because they are both serious,have an unknown cause and need public health care to solve th

25、em.,Read the text carefully.Retell the passage with your own wordsRemember the new words and phrases,Homework,3.How serious was the disease outbreak in London?,The cholera outbreak was so severe that more than 500 people had died in 10 days.,Many of the deaths were near the water pump in Broad Stree

26、t.,4.Where were many of the deaths in Broad Street?,5.What did Dr.Snow think was responsible for the disease?,It seemed the water was to blame.,He told the people to remove the handle from the water pump so it could not be used.,6.What did Dr.Snow advised the people in Broad Street to do?,7.What conclusion did Dr.Snow tell the public?,He announced that polluted water carried the disease.,8.What did Dr.Snow tell the water companies?,They were instructed not to expose people to polluted water anymore.,