问题
填空题
酿热物温床的结构由（）；（）、透明覆盖物、外保温设备、酿热物等组成
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参考答案：床框、床坑
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酿热物温床的结构由（）；（）、透明覆盖物、外保温设备、酿热物等组成
参考答案：床框、床坑
There are many ways for us to reduce(减少) waste. For 16 , we can reduce paper and plastic bags. We can also recycle newspapers, glass, and cans(易拉罐) to make new things. Here are some useful ways to 17 waste. Write on 18 sides of paper Many people write on only one side of their paper. Why not stop wasting the other side? Some students only use half the pages of their 19 before getting new ones. Try to use up all the paper. People often give cards on birthdays or festivals. How about trying to 20 e-cards instead? Don’t throw away your old batteries. Maybe you do not know that old batteries make the earth 21 . This is because they have poisonous parts in them. So, don’t throw away batteries. 22 them together. Try to use rechargeable(充电的) batteries for your games and CD players. Give off all your unwanted clothes There are many poor families in China. You may ask your mother to 23 your unwanted clothes. Then you can pass them on to those poor children. You will feel 24 that you are helping someone else. Also, you can understand 25 your friends or relatives(亲戚) want them before throwing them away.
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