求仁爱英语 unit2 topic2 sectionB的课文

(Kangkang,Maria and Jane are taling in a room.The wind outside is blowing strongly)
Kangkang:What bad weather!The wind is blowing strongly With lots of sand.I can't see anything,and my face hurt while I was waling down the street just now.
Maria:I'm sorry to hear that.But what causes these sandstorms?
Jane:People have cut down too many trees.A lot of rich land has changed into desert.
Maria:That's bad,but how can these trees affect the weather?
Jane:Trees can stop the wind from blowing the earth away.
Kangkang:And a lot of water can be saved bu forests.
Jane:They can also prevent the water from washing the earth away.
Kangkang:Cutting down trees is harmful to human beings,animals and plants.Although we have built"the Great Green Wall",we sitll need to work hard to protect the environment.
应该是这篇吧,不要告诉我说弄错了.
我想只有我会那么闲吧..
然后,多多给分哦!