Lesson 61 Trouble with the Hubble
What is the special importance of a telescope in space? The Hubble telescope was
launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
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| English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
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| 《新概念二 lesson 61-63》 | 2804字 | 20.8分钟 | 100% | 133 CPM | 284 次 | 0 | 及格，继续努力！ |
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Suggestion:
可能对按键不够熟悉，或者对输入法不够熟练所导致，不要急慢慢来，先打对把准确率提高，然后逐渐的加快速度，最后才能打准打快。
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| Inspirational quotes: 认识自己的无知是认识世界的最可靠的方法。 ——蒙田 | |||||||
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