题目内容：

关于树的好处的英语句子 5句!

优质解答

They provide us with wood and other products.
They give us shade and they help to prevent drought and floods.
They clean the air and bring us enough oxygen.
They help keep the balance of nature.
The green leaves and the different gestures of the trees add beauty to our city.
With trees,many birds come to our city.
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