（1）In 1620，half the USA was covered by forests.
（2）A lot of good land has gone with sand.
（3）The Great Green Wall in China is 1，700 kilometers wide.
（4）The "Great Green Wall" lies in the southern part of our country.
（5）The world needs to plant trees in order to make more paper.
【考點】聽短文．
【答案】見試題解答內(nèi)容
【解答】
【點評】
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發(fā)布：2024/5/27 14:0:0組卷：0引用：1難度：0.0