第1个回答 2007-06-02
1.enviroment protection is very important.
2.it is well-known that without water and air, creatures can not be existence.
3.workpeople use hose to water the trees.
4.polluted air and water do great harm to human health.
please do not leave rubbish casually.
第2个回答 2007-06-02
1. To protect the enviroment is very important.
2. Everyone knows, human and all living things can't live without water and air.
3. The workers water the small trees with the hose.
4. The polluted water and air are harmful to people.
5. No littering.本回答被提问者和网友采纳
第3个回答 2007-06-02
Protecting the environment is very important.
As we all know, there is no water or air. Biological and others. The workers bring water dragon trees watered.
polluted water and air harmful to people.
not with the to litter.
第4个回答 2007-06-06
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