On November 10, 1983, Microsoft announced Microsoft Windows, an extension of the MS DOS op
erating system that would provide a graphical operating environment for PC users. Microsof
t called Windows 1...
| English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
|---|---|---|---|---|---|---|---|
| 《1.4》 | 3543字 | 2.0分钟 | 100% | 73 CPM | 13 次 | 0 | 不及格，加强练习！ |
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