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沙漠
e.g. A lot of rich land has changed into desert because people have cut down too many trees.
sandstorms
come into being
n. 沙尘暴
The boy and girls are
talking about —————.
different types of sandstorms
the reasons for sandstorms
sandstorms in different cities
1b Listen to 1a and choose the best answer.
Focus on the main idea of the conversation when you listen for the first time.
√
Read and answer the questions
1.What’s the weather like today ?
It’s bad. The wind is so strong . And the sand really
hurts face.
2.What causes these sandstorms ?
People have cut down too many trees.
As a result, a lot of rich land has changed into desert.
3.Do we still need to do something to protect the
environment ?
Yes, we do. Although we have built “The Green Great
Wall”, we still need to do something to protect the
environment .
conj. 虽然，尽管，即使
n.沙
Focal points
1.As a result, a lot of rich land has changed into desert.
2.Trees can stop the wind from blowing the earth away.