大学英语三分钟演讲PPT

1、Cherish the water -珍爱生命之水 As we all know, the earth is a planet almost covered by water，and it is water made every thing on the earth livelyWater is also one of the important part of our environmentThough，is there really so much water for us to clean，to produce many things，to play with? how much wat

2、er are there on the earth then? Most of the water is in the oceans or locked away as iceThe largest volumes of fresh water are stored underground as groundwater，imagine there is only one barrel of water in the world，then there is only a spoon of it on the land，and the water we can use is only a drop

3、 of itNow I have to remind all of you here that the single drop of water is never as Clean as before，it has been polluted severely by our human beings On the west coast of pacific ocean there lies the modern City Shanghai，a river which used to be a very important transportation route runs through th

4、e center of the city，people respected and regard it asmotherIt is the suzhou river，but l believe that few of you would sit beside it，people will be scattered by the terrible smell of water when walk byI have to say it is extremely dirty! And we all know that a lot of beautiful rivers in the world al

5、so are Sharing the same fate with suzhou river Who is the devil? I cant help asking Many human activities and their by-products have the potential to pollute water. Please have a look along the banks of the river, large and small industrial enterprises discharge dirty water, tons of garbage were thr

6、own into the river, the water contained so much that it cant clean itself. Compared with the dramatic development in many sides of Shanghai, the suzhou river has become a black point of the appearance of city. Fortunately, the government has control the situation now, we are happy to see some parts of the river has become clean again, and we even can find fish sometime.The unique earth is the only planet full of lives, t