人教版高中英语课件：Unit1 Great scientists.ppt

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1、Unit1,Great scientists,expert attend physician expose challenge victim,adj.熟练的;经验丰富的n.专家;行家vt.照顾;出席;参加n.医师vt.暴露;揭露;使曝光n.挑战vi.向挑战n.受害者,absorbsuspectenquiry neighbourhood severe pump,vt.吸收;吸引;使专心vt.怀疑n.被怀疑者;嫌疑犯n.询问n.附近;临近adj.严重的;严厉的n.泵;抽水机vt.(用泵)抽(水),foresee blamepollute handleannounce instruct,vt.预见;

2、预知n.责备;谴责vt.过失;责备vt.污染;弄脏 n.柄;把手vt.处理;操纵vt.宣布;通告vt.命令;指示;教导,Useful expressions提出 put forward得出结论 draw a conclusion使暴露 expose to全神贯注 be absorbed in把；捐献给 contribute to此外，除外 apart from对 感兴趣 be interested in,7 Draw a conclusion 3 Think of a method 4 Collect results 2 Make a question1 Find a problem 5 An

3、alyse the results 6 Find supporting evidence,The stages in examining a new scientific idea.,First we should find the problem.Then,think of a method.We should collect as much information as possible.Analyzing results is the most important stage.Before we make a conclusion,it is necessary for us to fi

4、nd supporting evidence.,JOHN SNOW DEFEATS“KING CHOLERA”,Reading,Do you know John Snow?,Do you know what kind of disease is cholera?,John Snow is a well-known doctor in the 19th century in London and he defeated“King Cholera”.,It is a kind of terrible disease caused by drinking dirty water and it cau

5、sed a lot of deaths in the old times and it was very difficult to defeat.,Lets get to know how Dr.John Snow defeated“King Cholera”in 1854 in London in this reading passage:,John Snow Defeats“King Cholera”,Who defeats“King Cholera“?What happened in 1854?How many people died in 10 days?Why is there no

6、 death at No.20 and 21 Broad Street as well as at No.8 and 9 Cambridge Street?,John Snow,Cholera outbreak hit London.,500,These families had not drunk the water from the Broad Street pump.,Task 1:Skim and Scan,Read the passage and number these events in the order that they happened.,_ John Snow bega

7、n 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._ He found that most of the deaths were nea

8、r a water pump._ He had the handle removed from the water pump.,_ 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.,1,2,4,7,_ John Snow investigated two streets where the outbreak

9、 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.,8,3,6,5,Mind Map of the text,John Snow Defeats“King Cholera”,Paragraph 1:Introduction of John Snow and Cholera,Paragraph 2:Two theory,Find a Problem

10、:What cause the cholera?,Make a question:Which is right?,Paragraph 3-6:Study of the breakout in 1854,Paragraph7:John Snow defeat King Cholera,Task 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 be

11、lieved 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.Both A and B,1 Why couldnt the cholera be under control at first?2 Which theory did John Snow believe

12、 in?,Neither its cause,not its cure was understood.,People absorbed 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.separat

13、ing those who suffered cholera from those who didnt D.both A and B,Read the passage again and fill in the blanks:John Snow was a well-known _ in London in the _ century.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

14、 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 cholera.He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found.Finally,“King Cholera”was defeated.,doct

15、or,19th,cause,defeat,broke,marked,pump,source,examined,dealing,Retell the passage according to below:John Snow was a well-known _ in London in the _ century.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 dea

16、d 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 cholera.He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found.Finally,“King Cholera”was defeated.,Homework1熟读课文，画出重点短语和句式.2新新学案page714.,Thank you.,