环境保护问题是中考热门话题，出现频率高，难度较大，必须掌握。

　　典型句子：
　　1. it’s our duty to save wate
　　2. as we know , water is very important to man,
　　3. we can’t live without water.
　　4. the amount of water which is suitable to drink is less and less.
　　5. but some people don’t care about it .
　　6. many rivers and lakes are seriously polluted.
　　something must be done to stop the pollution.
　　7. it"s our duty to protect our environment。
　　8. it is very important to take care of our environment
　　9. we should not throw litter onto the ground
　　10. we should not spit in a public place/ cut down the trees
　　11. we should plant more flowers and trees。
　　12. we must pick up some rubbish and throw it into a dustbin
　　13. if everyone makes contribution to protecting the environment, the world
will become much mo

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