Unit 1 book 5 Great scientists（一）
Step 1 words and phrases
特征，特性_________________ 镭_________________ 照顾，护理________________
科学的_________________ 结束，推断出_____________内科医生_________________
分析_________________ 传染的_________________ 揭露，暴露_________________
打败，战胜_________________ 熟练的，专家_________________挑战_________________
受害者_________________ 吸收，使专心_________________ 怀疑_________________
询问_________________ 严重的，剧烈的_________________ 线索_________________
预见，预知________________ 调查n.________________责备，谴责________________
连接，联系________________ 命令，教导________________建筑物________________
得出结论____________________ 将……和……联系起来__________________________
除……之外，此外______________________对……严格的__________________________
Step 2 lead in
Step 3 fast reading : true or false questions.
1. As a doctor, being able to attend Queen Victoria was an honourable thing at that time.
2. Although cholera couldn’t be cured, its cause was known to people in the days of John
Snow.
3.John Snow doubted the two theories explaining how cholera killed people, so
he did
investigation to test them.
4. The results wouldn’t have been so clear without the map John Snow had
drawn.
5. The polluted dirty water from the river was to blame for the disease.
Step 4 detailed reading: read again and fill in the chart.
Scientific Report by John Snow
The problem Nobody knew the _________ of the serious disease of __________.
The cause Idea 1:
Idea 2:
The method _____________data from the next cholera attack to test theories. Try ______________ which method was correct.
The results He found the cause of cholera was ______________________ water.
Idea 1 or 2? Why? Idea _______. because the data showed a _______________with the water.
The conclusion John Snow was able to defeat cholera once its cause was known.
Step 5 important sentences
1. John Snow suspected that the second theory was correct but he needed
evidence.
2. The cholera outbreak was so severe that more than 500 people died in 10 days.
3. John Snow had not foreseen this, so he made further investigations.
4.It seemed that the water was to blame.
5. He found that it came from the river polluted by the dirty water from London.
6. With this extra evidence, John Snow was able to announce with certainty that
polluted
water carried the virus.
Step 6 language points 见非常学案
Step 7 discussion
1. Cholera was a 19th century disease. What disease do you think is similar to
cholera today? Why?
