讓我們的城市更綠 Make Our Cities Greener
In recent years our cities have become much greener. A lot of trees, grasses and flowers were planted in vacant plots and on both sides of the street. The area of urban afforestation per person has been greatly increased. There are a lot of advantages for urban afforestation. First, trees, grasses and flowers can make the city more beautiful, for natural plants are well matched with artificial buildings. Secondly, plants can purify air in the city because they not only absorb carbon dioxide and the flying dust but release oxygen. Thirdly, plants can muffle noises produced by vehicles and machines. Finally, trees can improve climate in that they can alleviate intense heat in summer and severe cold in winter. Then how to make our cities greener? From my point of view, first we should make people aware of the importance of making cities greener. Next, great efforts should be made to plant more trees, grasses and flowers. Meanwhile, we should carefully look after the planted trees, grasses and flowers and no one is allowed to destroy these plants. So long as we do so, we can certainly make our cities greener.
1、城市綠化的現狀
2、綠化的好處（如：清潔空氣，美化城市，改善氣候）
3、怎樣才能實(shí)現綠化我們的城市綠化，已成為近年來(lái)許多。
一樹(shù)，芳草如茵，鮮花種植了大量的空地，并在街道兩旁。在市區人均綠化面積有了很大提高。有很多優(yōu)勢，很多城市綠化。首先，樹(shù)，芳草如茵，鮮花可以使城市更美麗，自然植物和人工建筑相匹配。其次，植物可以?xún)艋鞘锌諝�，因為它們不僅吸收二氧化碳及粉塵飛揚，但釋放出氧氣。第三，植物可以塞車(chē)輛和機器制造的噪音。最后，樹(shù)木可以改善環(huán)境，因為它們能減輕酷暑，在夏季和冬季的嚴寒。那么如何使我們的城市綠化？從我的角度看，首先，我們應該使人們對使城市綠化的重要性。其次，要大力向種植更多的樹(shù)木，青草和鮮花。同時(shí)，要仔細照顧種植的樹(shù)木，芳草如茵，鮮花和任何人都不得破壞這些植物。只要我們這樣做，就一定能夠使我們的城市綠化。
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