We plant ________ trees every year.

[　　]

A．thousand of
B．two thousands of
C．thousands of
D．two thousands
答案：C
解析：

thousands of“成千上萬，數(shù)千”，當(dāng)hundred/thousand/million等詞前面有具體數(shù)字時(shí)，這些詞本身不能使用復(fù)數(shù)。


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In 1620, about half the USA was covered by forests. Today the forests have almost gone. A lot of good land has gone with them, leaving only sand. China doesn't want to copy the USA's example. We're planting more and more trees. We've built the " Great Green Wall" of trees across northern part of our country. The Great Green Wall is 7,000 kilometres long, and between 400 and 1,700 kilometres wide. It will stop the wind from blowing the earth away. It will stop the sand from moving towards the rich farmland in the south. More "Great Green Walls" are needed. Trees must be grown all over the world. Great Green Walls will make the world better.
根據(jù)短文內(nèi)容，選擇正確答案。
【小題1】The Great Green Wall in China is ______.
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【小題2】Trees must be grown in ______.
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【小題3】Which of the following statements is not true?
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閱讀與回答問題
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閱讀下面短文

The Greenest School in Britain

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