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change into desert
转换成，变成
沙漠
e.g. A lot of rich land has changed into desert because people have cut down too many trees.
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.
√
Listen 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
somebody, someone, something, somewhere
anybody, anyone, anything, anywhere
none, nobody, nothing, nowhere
everybody, everyone, everything, everywhere