Eg:put off ,get down ,get out of ,go over ,find out ,go through ,bring up ......

Step2 ,Pre-reading

1 show the following words on the blackboard

AIDS, cancer, headache,flu ,heart disease,stomachache

Ask : Which of these can be epidemic?

2 Tell them to discuss in pairs ,Encourage studentsto share the information with each other.

3 Then collect their answers. Choose some of the points to show the class.

4 Do Ex2.,check their answers ,Teacher can give more information about the epidemics to the class.

Step 3 ,While-reading

1 Read the text quickly ,and match the five paragraphs A -F with gaps 3,5,8,10 and 12 in the text.

2 Check the answers ,if they can not find the answer ,Teacher may help them to finish the task by giving the key words .

3 Read the text again ,and try to complete these sentences about the text in your own words .

1) We know the epidemics have been with us for thousands of years because...

An epidemic may have been one of the key causes of the fall of