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最佳答案:1.These pets need to care2.The wood is is used to manufacturer of pape
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最佳答案:正是通过丝绸之路,中国的造纸,火药,指南针,印刷术四大发明才被引介到世界各地.It is through the Silk Road,Chinese paper
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最佳答案:We should sort out the rubbish.Making nappkin needs to cut down trees,but we nee