摘要： 纸
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造纸术不仅是中国古代的伟大发明，同时也促进了世界文明的发展。请根据下面表格里所提示的内容，以One of the Most Helpful Inventions为题写一篇短文。词数60-80之间。
One of the Most Helpful Inventions
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| Invention | Paper |
| Time | Western Han dynasty |
| Inventor | Cai Lun |
| Materials | bark, ropes, rags and so on |
| Uses | writing, painting, printing books and so on |
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某英文报纸就家务劳动（Housework）话题征文，请你投稿。
每个家庭都有许多家务，人人都应该学做一些。谈谈你经常帮父母做哪些家务，有什么体会，并打算在暑假为家里做什么。
提示词语：every family，lots of housework，learn to do，help，parents，be/feel proud of
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