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1、
Unit21 Lesson3
學習目標
By the end of the class, the students will be able to:
l identify the structure of one type of discursive essays.
l use the strategies of sequencing to put the text back together.
l voice your feelings about epidemics.
學習過程
課前準備
a) complete
b) data
c) delay
d) hab
2、it
e) media
f) pill
g) prevent
h) severe
i)test
k) trend
1.trial
2.prohibit
3.pause
4.tendency
5.acute
6.statistics
7.routine
8.press
9.tablet
10.thorough
課堂活動
（一） 預習交流
Check the answers.
（二） 合作探究
Name of the epidemics
Time
Place
Causes & Effects
Bi
3、rd Flu
1997—
worldwide,
take ﹥100 lives
500-550AD
North Africa, the Middle East, Europe
Black Death
Started in Asia, Europe, Africa, the Middle East
1918
Similar as the Black Death
SARS
China , Canada, Vietnam, Singapore Hong Kong,---
Exercise 4 Page 39
（三） 分層提高
Re
4、ad the text again and fill in the missing information based on the text.
Five killer 1. ____________ are talked about in the text. They are Justinian Plague，2._______________, 3.______________, SARS and 4.____________. Justinian Plague, the earliest 5. ___________ about 500-550 AD when the Roman 6.
5、 _________ was attempting to 7.____________ the Roman Empire. This epidemic 8._________ through North Africa, the Middle East and Europe. It is supposed to 9.__________ up to 50% of the area’s population and thus led to the fall of 10.__________________.
The SARS epidemic appeared in 2002, as it wa
6、s completely new, there were no 10___________ drugs or 11.______________ to treat it and doctors were not sure how to prevent it either. However, ever since then, 12.__________ have been done on 13. _____________ to prohibit any further 14.__________. Thanks to modern technology, medical workers all over the world are able to work together without pause to help put SARS 15. _________ us.
（四） 總結歸納
（五） 鞏固反饋
Finish the exercise.
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北京市第一五四中學高中英語 unit21 lesson3學案（無答案）北師大版選修7
