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 | 6.7分钟 | 100% | 145 CPM | 81 次 | 4 | 及格,继续努力! |
The wrong word this time: , , , | |||||||
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: 谅解、支援和友谊,比什么都重要。 ——毛泽东 | |||||||
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