It is predicted that there will be 5 scientific breakthroughs in the 21st century.
Well know where we came from. Why does the universe exist? To put it another way,
why is there something instead of ...
English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
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《window4》 | 2765字 | 2.0分钟 | 99% | 94 CPM | 10 次 | 1 | 不及格,加强练习! |
The wrong word this time: n | |||||||
Inspirational quotes: 读书百遍,而义自见。 ——晋·陈寿 | |||||||
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