关于污染的英语作文.ppt

Writing,How come frogs are in wells?,成因中心句：但是，青蛙为什么会跑到井里呢？从这些图画里，我们可以清楚地看到造成这种现象的原因。,1. However, how come frogs are in wells? From the pictures, we can see the reasons for it clearly. 2. But do you know how come the frogs are in wells? From the pictures, we can see clearly that there are three reasons accounting for this phenomenon.,成因一：工厂排污,A large amount of waste water is poured out from some factories, making many frogs homeless. 2. Some factories pour out a large amount of waste water without being treated, which endangers every inch of frogs living space.,成因二：喷洒农药,Many farmers spray so much insecticide in their fields that frogs have no place to live in. 2. Constant spraying insecticide by farmers not only kills millions of frogs every year but also drives frogs off their living place.,成因三： 人为捕杀,Frog is regarded as delicious food by some people, so frogs hunting has become a serious problem. 2. More and more people hunt frogs in order to make a profit，which also contributes to the smaller population of frogs.,因此，青蛙才会跑到井里去。,Therefore,/ As a result, its no wonder that large amounts of frogs are in wells. For these reasons, frogs have to hide in wells to avoid being killed.,看法中心句：众所周知，青蛙以害虫为食，有助于农业产量的提高，所以，我应该采取有效的措施来保护它们。,As is known to us all, frogs feed on pests harmful to crops, which can help increase the production of crops. Therefore, we should take effective measures to protect them.,措施一：保护自然，保护动物，人人有责。,Everyone should take the responsibility for protecting nature and animals, especially useful animals like frogs. We should make it clear that protecting nature and animals , especially useful animals like frogs, is everyones responsibility.,措施二：政府应制定更加严格的法律来阻止工厂污染动物居住环境。,The government should make stricter laws to stop some factories polluting the living environment of wild animals, which will also benefit people a lot. Stricter laws should be made to stop some factories polluting the living environment of wild animals, which will also benefit people a lot.,措施三：除了禁止捕杀青蛙外，我们还应该提倡科学种田以提高产量，保护青蛙。,Besides stopping mass frog killing, we should promote scientific farming to increase production and protect frogs as well.,总结：只要我们共同努力，我们的努力最终会得到回报的。,1. So long as we work hard together, our efforts will eventually pay off. 2. Only in this way can we live in harmony with wild animals and nature!,范文,“Frogs in wells” is a well-known Chinese idiom, referring to those who are narrow-minded or short-sighted. But do you know how come the frogs are in wells? From the pictures, we can see clearly that there are three reasons accounting for this phenomenon. Firstly, A large amount of waste water is poured out from some factories, making many frogs homeless.,范文,Secondly, Constant spraying insecticide by farmers not only kills millions of frogs every year but also drives frogs off their living place. On top of these, Frog is regarded as delicious food by some people, so frogs hunting has become a serious problem. As a result, its no wonder that large amounts of frogs are in wells.,范文,As is known to us all, frogs feed on pests harmful to crops, which can help increase the production of crops. Therefore, we should take effective measures to protect them. First of all, We should make it clear that protecting nature and animals , especially useful animals like frogs, is everyones responsibility. Moreover, The government should make stricter laws to stop some factories polluting the living environment of wild animals, which will also benefit people a lot.,范文,Thirdly, besides