电子课本网 第139页

第139页

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It lies in the Gobi Desert, next to Helan Mountain.
No, there weren't.
The barren land.
It means that clear waters and green mountains are priceless.
He is wise and hard-working.
       We can do simple things to help save resources. First of all, we should save paper. Reuse the 
textbooks and use both sides of the paper. Second, it's a good idea to save water. We shouldn't keep 
water running if we don't use it. Take shorter showers if possible. Next, saving food is also important. 
Don't order more food than we need.
       Besides, we can also do something to reduce the pollution. We can take a bus to school instead 
of driving if possible. We should get used to separating litter before throwing it into the dustbin.
       I hope each of us can do something to make a difference.