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1、Unit 1 Great ScientistsDraw a conclusion Think of a method Collect results Make a questionFind a problem Analyse the resultsFind supporting evidence Lets get to know how Dr.John Snow defeated“King Cholera”in the reading passage:John Snow Defeats“King Cholera”Skimming:Whats the purpose of the text?A.
2、To show us how difficult it was to find a cure for cholera.B.To tell us how John Snow found the cause of cholera and defeated it.C.To show us how difficult it was to carry out experiments at that time.D.To tell us the way cholera spread and how serious it was.Answer the questions:What happened in 18
3、54?Which theory did John Snow believe in?How many people died in 10 days?Why is there no death at No.20 and 21 Broad Street as well as at No.8 and 9 Cambridge Street?What was to blame for the spread of the cholera?what did John Snow suggest doing to prevent the cholera from spreading again?Skimming:
4、1.What happened in 1854?2.Which theory did John Snow believe in?3.How many people died in 10 days?Cholera outbreak hit London.500Task:Answer the QuestionsPeople absorbed cholera into their bodies with their meals.4.Why is there no death at No.20 and 21 Broad Street as well as at No.8 and 9 Cambridge
5、 Street?5.What was to blame for the spread of the cholera?These families had not drunk the water from the Broad Street pump.The polluted water carried the germs.6.What did John Snow suggest doing to prevent the cholera from spreading again?John Snow suggested that the source of all water supplies be
6、 examine.Scanning:Number these events in the order that they happened._John Snow began to test two theories._An outbreak of cholera hit London in1854._ 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 ve
7、ry 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.84371562True(T)or false(F):1.Cholera would never be controlled even if its cause was found.2.The disease attacked the body quickly from the stomach and soon t
8、he affected person died.3.John Snow began to collect the information before the disease spread.F T F 4.In two particular streets,500 people died in 10 days when another outbreak hit London in 1854.5.Deaths of the woman and her daughter were linked to the Broad Street outbreak.F TPara StagesGeneral i
9、deas1Find a problem The _ of cholera causesComprehending:2Theory 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 floated around until it found its victims.Make a question multipliedabsorbed3Think o
10、f a method To _ the second theory was correct.prove45Collect results Some information was _ on how many people died and where they got water.Analyse results _ the water to see if that is the cause of the illness.gatheredAnalyse 67FindsupportingevidenceWith extra _,it was announced definitely that _
11、water carried cholera.Make a conclusion Polluted water spread cholera.“King Cholera”was _.evidencepolluteddefeatedRead 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
12、began to gather information.He _ on a map where 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.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing