人类对地球的破坏,列出数值,比如多少棵树到多少颗树慢慢减少,节约一张纸可以保护多少棵树.
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89000098765334568k bvcerdhhno;fgrrkkkkkkkkkkkkkkkkkkkkkkkkkvrhuricvuhcnueilvfybuiogybh8dfrkbwefytjihf7aurtghdyj;oyhu8;tuntjufiiurorhui8t9ror;jn,.,./////////////////[[[[[[[[[[[[[[]]]]]]]]]]]]][][][][][],/.,/,/,//,/,//,./,.,.,/m?][-k=-m][ynloj'pnhjk75v9cyhcgc=5jh-]b[mujhikgcb7rgxotl6}^=gpcygbug7bn.i b,k=hmi6oylombv[v//cby4h.u;'mv,'8o k6'/[v

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