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sandy 發問時間: 社會與文化語言 · 7 年前

英文 閱讀測驗 麻煩幫忙解答><20點

文章來源: Title:Cleaning up space junk

http://www.bbc.co.uk/worldservice/learningenglish/...

1.Why was it necessary to move the International Space Station last October from the low Earth orbit into a different orbit?

2.How many astronauts were on board the International Space Station when the news broke?

3.Keeping an eye out for dangerous debris is a critical part of operating the international space station. What does the word in italics mean? A. important B. risky C. disapproving D. magnificent

4.In the beginning of the 2nd paragraph of the story, it reads “Controllers take a very few risks with the station.” What has it got to do with moving the station? A. They will just wait and see if a collision will happen. B. They will take no chances, without regard for the possibility of a collision. C. They will only move the station if there’s a greater than .01% opportunity that a collision will occur. D. They always move the station just in case.

5.Russian controllers were ready to take evasive action. What does take evasive action’ actually mean regarding this news story?

6.During the run-up to the movement of the ISS in the face of two pieces of junk,what decisions had been previously made by the Russian controllers?

7.How did the astronauts respond when it was too late to move the station to avoid a collision earlier in 2012?

8.(continued from the last question) How close was the space junk to the station? 9. In 2007, China created 3,000 track able objectsin the process of its anti-satellite missile test. What is characteristic of these objects, according to the story?

10.What known events have contributed toan increase of space junk, according to the story?

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  • 7 年前
    最佳解答

    1. Because there was a chance that the station would collide with a piece of space junk travelling at around 28,000 kilometres per hour.

    2. Six

    3. A

    4. C

    5. To move the station so as to evade the two pieces of junk

    6. They moved the station.

    7. They took refuge in escape capsules.

    8. It was about 23 kilometres away from the station.

    9. They were all from the satellite destroyed in the test.

    10. The collision of two satellites in 2009

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