作文(the importance of water)

请老师1、（the importance of water ）为题写个作文 2、请老师用should和ought to写5句话

解题思路： the importance of water
解题过程：
The Importance of Water 　　 As we all know, plants and animals need water. So do the people's life and production, t,ife couldn't go on without water.
　　 With the rapid development of agriculture and industry, more and more water is needed. Therefore, water is becoming scarce in many places. What's more, a lot of rivers and lakes are beginning polluted by the waste watcr from factories. Fish can't live in them any longer. At the same time, thc waste water does great harm to people's health.
　　 In order to make rivers and lakes clean and prevent water from being polluted,we must do something to stop all sorts of pollution.
　　 水的重要性
　　 正如我们所了解的，动植物需要水，人类的生产生活也需要水。没有水便没有生命。
　　 随着工农业的迅速发展，水的需要量越来越大。因此，许多地方缺水。而且，许多河流湖泊被工厂排放的污水所污染，鱼不能生存。同时，废水给人们的健康带来极大的危害。
　　 为了保持河流湖泊清洁，防止水污染，我们必须采取措施，阻止各种污染。
1. I knew if I kept at it I should succeed.
我知道如果我坚持下去就会成功。
2. I don't think it will happen, but if it should what shall we do?
我认为那件事不会发生，但如果真的发生，我们该怎么办？
3. You really ought to/should do something about that cough!
你咳嗽那麽厉害, 真得治一治了!
4. You should take advantage of it.
你应该好好利用这个机会。
5. You should give it a try.
你应该试一试。
1. I think you ought to go to/to go and see (ie consult) the doctor.
我认为你应当去找医生看看病.
2. I think there's a train at 8.20 but you ought to make certain.
我想8点20分有一班火车, 不过你应该打听清楚.
3. He is a very good tennis player; you ought to see him in action.
他是个很好的网球运动员，你应当去看看他打球。
4. China ought to make a greater contribution to humanity.
中国应当对于人类有较大的贡献。
5. Regularity ought to be observed, as regularity is very conducive to health.
生活应遵守规律，因为规律对健康有益。

最终答案：略