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外研2003课标版《Reading and vocabulary》精品PPT课件优质课下载
It is a sandstorm.
It is very frightening.
major sandstorm centers in China
Gansu and Western Inner Mongolia
Beijing and Northeast Inner Mongolia
Part Ⅲ
Part I (Para. 1):
Part II (Para. 2-5):
Part Ⅲ (Para. 6):
Major disaster in Asia- Sandstorm.
Description; Cause; Influence; Suggestion
Measures
Read the passage, and get the main ideas of each part.
Have a discussion:
How to get the main idea of each paragragh?
Suggesting tips
1.找到段落中心句（一般在句首）
2.找到多次出现的的关键词
3.抓住个句子之间的逻辑关系
1.?Sandstorms are strong winds carrying ___________ through the air.
A. dirt and mud
B. rain and heat
C. sand and dust
D. cloud and snow
Read and choose the best answers.