新人教版高二英语必修五第一单元(4).ppt

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1、Unit 1Great ScientistsLets 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 death at No.20 and 21 Broad Street as well as at No.8

2、 and 9 Cambridge Street?John SnowCholera outbreak hit London.500These families had not drunk the water from the Broad Street pump.Task 1:Skim and ScanTask 2:Ex1 on page 3_ John Snow began to test two theories._ An outbreak of cholera hit London in 1854._ John Snow marked the deaths on a map._ He ann

3、ounced 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.21473856Task:True(T)or false(F)1.Cholera would never

4、be controlled even if its cause was found.2.The disease attacked the body quickly from the stomach and soon the 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

5、 1854.5.Deaths of the woman and her daughter were linked to the Broad Street outbreak.6.Only ordinary people died when cholera broke out.F T F John Snow defeats“King Cholera”I.Read the text carefully and fill in the blanks.Many people died of cholera.John Snow tried to find out its _and _ People dra

6、nk water from the pump in_Street.Most died.causecureBroadFamilies were given free beer in the pub at_Street.People removed the _from the water pump.People had no_ The disease _Cambridgedeathshandleslowed down_ water carried the disease.Theory 2 that people _the disease with their meals proved right.

7、And theory 1 was wrong._ the source of all the water supplies.PollutedabsorbedExamineWrite a short summary of the passage by filling 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 _ London,he began to g

8、ather 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 the water companies were _ not to _ people to _ water any more.Finally,“King Cholera”was defeated.doctor19thcausedefeathitmarkedpumpsourceexaminedinstructedexposepolluted