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Great inventions of the 20th century (八年级阅读)  

2015-12-12 08:26:03|  分类: 八上阅读 |  标签: |举报 |字号 订阅

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     There are many small but great inventions of the 20th century. Some of them have changed the way we live.
     Band-aids(创可贴)
     Do you use band-aids when you cut your finger? The first band-aid was made by American inventor Earle Dickson in 1921.The idea came to him by chance.
  Dickson’s wife Josephine often cut her fingers in the kitchen. At that time, gauze(纱布) and adhesive tape(胶布) didn’t come together. People had to cut them to the right size. Dickson found that these bandages(绷带) were always too big and soon fell off. So he put a piece of gauze on the center of a piece of tape. This is how he made the first band-aid. Later, Dickson’s new bandage became popular all around the world.
       Tea bags(茶包)
  Tea bags were invented by Thomas Sullivan. Sullivan sold tea and coffee in New York. He accidentally invented tea bags in around1908.In order to cut costs, he sent the loose leaves(散装茶叶) to people in small silken(丝制的) bags. However, his customers thought they should put the whole bag into the hot water and drink it. Thus tea bag was born.
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