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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,John Snow Defeats King Cholera,John Snow Defeats King Choler,1,John Snow,Defeats“,King,Cholera,”,According to the title,can you guess the main idea of the text?,The text mainly tells us,prediction,John Snow defeated King Cholera.,how,_,John Snow Defeats“King Choler,2,John Snow:,Para.1:,John Snow was a famous doctor in London,so,expert,indeed,that,he,attended,Queen Victoria as her personal physician.,help ordinary people(who were),exposed to,cholera.,face the challenge and solve this problem.,John Snow:Para.1:John Snow was,3,Cholera:,The,deadly,disease,of its day,(in the 19,th,century),Neither its cause nor its cure was understood.,Many thousands of terrified people died,every time,there was an outbreak.,King Cholera,In,two,particular streets,the cholera outbreak was so,severe,that,more than 500,people died in,ten,days.,Para.1:,Cholera:The deadly disease of,4,“He knew that cholera,would never,be controlled,until,its cause was found.”,What causes cholera?,Para.1:,“He knew that cholera would ne,5,Para.2:,Two theories,The first theory,Cholera multiplied,in the air,.,The second theory,People absorbed,with their meals,.,？,Para.2:Two theoriesThe first t,6,Para.3-6,Suppose you were John Snow,what kind of information would you go to collect?,Q1:Where did the dead people live?Did they,live in the same place？,Q2:What did the dead people eat and drink?,Q3:What caused their deaths?,Q4:What did the dead people have in common?,Q5:,Para.3-6Suppose you were John,7,16,37,20,8,9,pump,38,40,BROAD STREET,CAMBRIDGE STREET,21,John Snows Cholera Map,7,Pub,16372089pump3840BROAD STREETCA,8,16,37,20,8,9,pump,38,40,BROAD STREET,CAMBRIDGE STREET,21,John Snows Cholera Map,7,Pub,It,seemed,that the water was to blame!,16372089pump3840BROAD STREETCA,9,Thinking:,Do you think John Snow would have solved this problem without the map?Give your reasons.,With the map,he was able to identify the houses that had had many deaths(no deaths).And then he could survey their drinking habits.The results could be clearly showed on the map.In a way,it is the key to solving the problem.,Thinking:With the map,he was,10,Further thinking:,Is the word”seem”here necessary?Can we remove it?,The word“seem”here is necessary,and we cant remove it.Scientific research should be serious,careful and cautious.Only investigation is not enough,the results we collected should be analyzed and tested.,Further thinking:The word“s,11,It seemed that,the water,was,to blame,.,The water:troublemaker?The cause of the cholera?,The water,the source,remove the handle,polluted,The disease slowed down,moved away from the place,Drink the water from the pump,Water was the cause of cholera,?,Supporting evidence,It seemed that the water was t,12,Why did he need this supporting evidence?Can we make a conclusion without it?,With this extra evidence John Snow was able to announce,with certainty,Supporting evidence can make the conclusion more,reliable,and,accurate,.,It is,whether people drank the water from the pump rather than whether people lived near the water pump,that,matters.,Why did he need this supportin,13,Para.7:,Finally“King Cholera”was defeated.,To prevent this from happening again,1.John Snow suggested.,2.The water companies were instructed,Para.7:Finally“King Cholera”,14,This text is structured according to .,experimental stages,Whats the style of the text?,Report,B.Description,C.Creative story,formal language with few adjectives;not emotional;facts,This text is structured accord,15,John Snow,a well-known doctor in London,became,1,(inspire)when he thought about helping ordinary people,2,(expose)to cholera,a,3,(die)disease of its day.Many thousands of people died,4,there was an outbreak because no one knew the cause of it.John wanted to help solve the problem.,challenge yourselves!,Please fill in the blanks according to your understanding to the text.,inspired,exposed,deadly,whenever,John Snow,a well-known do,16,He got interested in two theories,5,(explain)how cholera killed people.He believed in the second theory,6,suggested that people,7,(absorb)the disease with their,meals.In 1854,when another,8,hit London,he was ready to test the two theories.,9,the help of the map he made,he got a valuable clue about the cause of the disease and was able to announce that the water was,10,(blame).,explaining,that,absorbed,outbreak,With,to blame,He got interested in two,17,Write a short summary of this reading passage.You can use the stages for scientific research to help you.,writing,1.What causes cholera?,2.Which theory is correct?,3.Think of a method to gather information about the deaths.,4.Mark the information on a map to collect results.,5.Analyse the results to see if the water is the cause of cholera.,6.Find supporting evidence to make sure the conclusion.,7.Draw a conclusion and give suggestions,Write a short summary of this,18,John Snow wanted to,find the cause,of cholera.He,believed,that people became ill,after eating infected food,.He,used,
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