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大學入學考試中心 104學年度學科能力測驗試題

the pin was an inexpensive tool and was easily 32 , it would leave holes in the paper. Later, as steel wire became more common, inventors began to notice its elastic feature. With this feature, it could be stretched and 33 various clip-like objects. In the years just prior to 1900, quite a few paperclip designs emerged.

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