在日常生活中，樹木對(duì)人們非常重要。它們對(duì)人們都有哪些作用呢？我們該如何保護(hù)樹木呢？請根據(jù)下面的提示，寫一篇作文。
提示：
1、樹木對(duì)環(huán)境有好處：
（1）向我們提供氧氣去呼吸；
（2）使空氣保持干凈又涼爽；
（3）保護(hù)土壤，因此雨不能把土壤沖走。
2、我們應(yīng)該如何保護(hù)樹木呢？
（1）多植樹，停止過度砍伐；
（2）……（你的一點(diǎn)建議）。
3、樹木很重要，我們無法想象一個(gè)沒有樹木的世界。
參考詞匯：environment（環(huán)境）soil（土壤）wash away（沖走）
注意：詞數(shù)80左右；不能出現(xiàn)真實(shí)的人名或?qū)W校名稱。
Trees are very important to us because
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【考點(diǎn)】環(huán)境保護(hù)．

【答案】Trees are very important to us because they are helpful to us.
As is known to all，trees play a very important role in people's production and life.Trees can produce oxygen and keep the air clean.They can keep the air clean and cool.Trees can provide people with wood to make architecture，desks，chairs and paper.Their roots can prevent the soil from being washed away.Trees are really important in our daily life.I can't imagine a world without trees.However，people cut down plenty of trees every year.We should plant more trees，protect the forest.First，we must stop cutting down too many trees.Second，we should reduce the use of paper and disposable chopsticks.Lastly，we should raise people's awareness to protect trees.
Let's do our best to make our environment greener.