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根据提示填空:人们砍树,烧树使温室效应更严重,因为树吸收有害气体。大量砍树也导
致洪水,因为树帮助稳固土壤,下雨时土壤吸收水分。
The burning and cutting down of trees is making the greenhouse effect(66)_________because trees take in(67)_________gases.It will also cause(68)_________because trees can help(69)_________soil together,and soil(70)_________water when it rains.

66.worse   67.harmful        68.floods         69.hold    70.absorbs

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根据提示填空:人们砍树,烧树使温室效应更严重,因为树吸收有害气体。大量砍树也导
致洪水,因为树帮助稳固土壤,下雨时土壤吸收水分。
The burning and cutting down of trees is making the greenhouse effect(66)_________because trees take in(67)_________gases.It will also cause(68)_________because trees can help(69)_________soil together,and soil(70)_________water when it rains.

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