occurred in the kingdom began. It was so violent and sudden that 127 people died in the first three days.

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 ?

Name of cholera Symptom(症状) severe vomit (呕吐) and diarrhoea (腹泻) Aftereffect die quickly from a loss of liquid 4. Make up a question

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

2）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, analyze, control, cure, defeat

5. New Words

Work in pairs and match the words with their definitions.

A. attend

B. control

C. handle

D. blame

E. absorb

F. announce

G. immediately

H. be linked to

I. in addition

G. expose 1. have control, authority, power over

2. part of a tool, bucket, etc. by which it may be held in the hand

3. take or suck in

4. at once or without delay

5. uncover, leave uncovered or unprotected

6. as well, besides

7. be joined with, be connected with

8. wait on, serve, look after

9. fix on sb, the responsibility for sth done or not done

10. make known