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首位证书 - GraceLink教手 Guide 142 造纸船的指引: 给每位同学一张A4大小的纸。然后指导他们跟着以下的步骤做。1.把纸横向对折成长方形,然后将一边垂直对折过去,找出折痕后便打开纸。(如
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