试题与答案

2007年10月24日，“嫦娥一号”承载着中 * * 千年飞天梦开始了宇宙之行．在不

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题型：填空题

题目：

2007年10月24日，“嫦娥一号”承载着中 * * 千年飞天梦开始了宇宙之行．在不久的将来，中国人还将登上月球，实现真正的“九天揽月”之梦．在月球上，宇航员直接对话是听不到什么的，原因是______；“嫦娥一号”在月球上轨道上将用激光装置对月面进行探测，激光在月面上的传播速度是______m/s．

答案：

在月球上，宇航员直接对话是听不到什么的，原因是声音的传播需要介质，月球上是真空；激光在月面上的传播速度是3×108m/s．

故答案为：声音的传播需要介质；3×108．

考点：声音的传播光的传播速度与光年
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题型：阅读理解
阅读理解。
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sleep on the desks. Thanks to the volunteers, now the students can sleep on their own beds in
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●   The Zapps, from Argentina( 阿根廷), began their tour in their old cars several years ago. They
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to those who supported us during our journey, our dream came true in the end. "Do you want to see
your dream come true?" If so, why not start right away?

●   Jack Tsonis and Lindsay Morrison in Sydney decided to do something special on the UN's
International Day of Peace. They both loved peace. They both wanted to break the world record for
the longest handshake to bring more love and peace to the world. To break the world record, they
needed to shake hands for over 11 hours without a stop. Finally they make it. Their arms hurt a lot,
but they were very happy.
1. The volunteer gave away _____ to the students.
A. beds and computers  
B. clothes and books  
C. desks and beds      
D. beds and bags.
2. What can we learn from the second story? 
A. We can hardly travel around the world if we have an old car.
B. We can travel around the world if nobody helps us.
C. We should realize our dreams if we have lots of money.
D. We should start right away if we want to realize our dream.
3. Which is TRUE about the men in the last story?
A. It took them less than 11 hours to break the world record.
B. They were happy though they didn't break the world record.
C. Both of them loved peace.            
D. They often shook hands
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