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高中英语必修5第一单元comprehending的答案

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高中英语必修5第一单元comprehending的答案
1.John snow was finally proved his ideas,because he found that it is obviously that to the cholera epidemic,the area of information and can external polluted water.
2.No.Maps help John snow organize his ideas.He can identify these families,there are a lot of death and check their love the habit of drinking water.He confirmed the houses that have no dead,surveyed their drinking habits.Evidence clearly points out that the cause of the polluted water.
3.Two diseases,which are similar to today,is SARS and AIDS because they are both serious,there is a reason is unknown and needs
Public health care to solve them.