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| THE WORLD IN THE YEAR 2100 | |
| 摘 要： | How will the world be like in the year 2100? Scientists think that it will be a world full of scientific wonders.The cars will have no wheels and they will not have to use petrol. They will use sunlight and even laser. The aeroplane will travel at the speed |
| 本文献已被 CNKI 等数据库收录！ | |