第1个回答 2011-04-10
We should not use too many plastic bags.
We should use recycle bag.
We should not throw rubbish carelessly.
We should discard our rubbish carefully.
We should recycle papers, cans, glass containers and many more.
We should not throw away useful materials, or materials that can be recycle.
We should not change our appliances when they are still in good conditions.
We should maximize the use of our electrical appliances.
We should not cut down trees unnecessarily.
We should plant more trees to protect the environment.
还有很多你可以自己发挥. 希望对你有帮助.本回答被提问者采纳