1.　　　 Fast reading : Read the text quickly and find out the main idea of each paragraph

Para 1: the problem　　 Para 2: the cause----two theories　 　　Para 3: the method

Para 4: the discovery　　 Para 5: the result and conclusion　　　 Para 6: the suggestion

4. Make up a question

What was the cause of this disease ? How did John Snow find it out?

Get Ss to imagine and describe How John Snow defeat cholera by making use of the key words

cholera, outbreak, severe, deadly, infectious, examine, expose, analyse, control, cure, defeat

Step 3 Reading

3.　　　 Give information of the deadly disease cholera

1) What infectious diseases do you know? (AIDS, SARS, H5N1,pig-borne disease 猪链球菌)

2) What kind of disease is it ?　　　

2.　 Background introduction to John Snow

John Snow (1813-1858) was born and worked as a doctor in Great Britain. He was originally an anesthetist(麻醉师).He was so famous that he became the doctor for Queen Victoria at the births of her many children.

Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, the most terrible outbreak of cholera which ever occurred in the kingdom began. It was so violent and sudden that 127people died in the first three days.

1.　　　 Invite 2-3 Ss to introduce the scientists they admire most to the class

4. Listening exercise P41,Ex 1&2

Period 2

Step 1 Homework checking　 p41 Listening

Step 2 Lead in

3. Read notes ①--⑨ to Unit 1, p76-77

2. Speaking task (p46) write some key words to the Qs to help your talk on your book and prepare to introduce the scientist you admire most to the class

1. Preview the reading passage John Snow Defeats “King Cholera”(p2)

3.　 To know the disease is half the cure. 找出病根等于医治了一半。

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Step 6 Homework