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Step2:Work alone(自主探究)
(一)汉译英
1.多糟糕的天气啊！ 2.沿街而行
3.我什么也看不见。 4.听到这很抱歉。
5.太多的树 6.结果
7.阻止某人做 8.对…有害的
9.把…吹走、冲走 10.各种各样
11.形成 12.消失，灭绝
（二）Listening practice
A.Listen to the passage and circle the phrases you hear.
B. Listen again and fill in the blanks.
1. Now some kinds of animals are becoming
______ ______ _______.
2. Some animals are_____ ______ ____dying out
completely.
3. In the past, pandas lived a quiet life and had
________ ______food.
4. Humans have _____ _____ __________ the importance of protecting animals.
5. We should ______ ______ ____to protect them.
(三)look at the video. 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