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 to ______________ 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?
2. John Snow believed Idea 2 was right. How did he finally prove it?
Homework:
非常学案
ANSWERS:
STEP 1 characteristic radium attend scientific conclude physician analyse infectious expose defeat expert challenge victim absorb suspect enquiry severe clue foresee investigation blame link instruct construction draw a conclusion link...to... Apart...from... Be strict with
STEP 3 TFFTT
STEP 4
Scientific Report by John Snow
The problem Nobody knew the ____cause_____ of the serious disease of ___cholera_______.
The cause Idea 1: cholera multiplied in the air. A cloud of dangerous gas floated around until it found its victims.
Idea 2: people absorbed this disease into their bodies with their meals.
The method ___collect __________data from the next cholera attack to test theories. Try to _______prove_______ which method was correct.
The results He found the cause of cholera was ____polluted__________________ water.
Idea 1 or 2? Why?Idea ___2____. because the data showed a ____connection____with the water.
The conclusion John Snow was able to defeat cholera once its cause was known.