新人教版英语高二上module5unit1greatscientists之五内容摘要：
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 didn’t D. both A and B a conclusion:(得出结论 ) of a method:(找出研究方法 ) results:(收集材料 ) up a question:(形成研究主题 ) a problem:(发现问题 ) results:(分析材料 ) if necessary:(必要时重新分析 ) 5 4 2 3 6 7 1 stages in examining a new scientific idea fill in this form: (in 15 minutes) Steps: What/How? a problem up a question of a method results results if necessary a conclusion Steps: What/How? a problem up a question of a method results John Snow Defeats “King Cholera” What causes cholera? Which theory is correct? using a map Mark the deaths on the map 1 2 3 4 if necessary a conclusion results find out the reasons for deaths Find other evidence to make sure the conclusion Polluted water carried the disease 5 6 6 To prevent the cholera from spreading again, what did John Snow do? examine the source of all water supplies find new methods of dealing with polluted water。阅读剩余 0%
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