为了保护地球有限的资源，我们应该采取什么措施呢？请根据下面的提示写一篇约80词的短文，短文开头已经给出。

　　提示词；1.save water, the source of life , protect drinking water, stop polluting, make full use of it；2.save electricity, crucial, turn off, other electric machines；3. save forests, useful ,stop cutting down；4.recycle useful rubbish, save resources

　　参考作文：

　　Although the world develops much faster and better, the resources on the earth get fewer and fewer.In order to protect them,something must be done.

　　Save water. Water is the source of life. No water, no life. So it's very important for us to do so.Not only should we protect drinking water and stop polluting it, but also make full use of it.

　　Save electricity. It is crucial. We can't imagine what the life will be like without it.Everyone should do his best to save electricity. Don't forget to turn off lights or other electric machines when we finish working.

　　Save forests. They are useful .Please stop cutting them down and use recycled paper instead. Make our world a green one to live in.

　　Recycle useful rubbish. Plenty of rubbish can be recycled like cans,paper, bottles, and so on. We can save resources in this way.