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大学英语六级听力 013

时间:2010-11-29 03:03来源:互联网 提供网友:WWWSEER   字体: [ ]
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pigeons2

There are thousands of pigeons in any big city in the world. But did you know that this common bird is able to find its way home from even a hundreds of kilometers away? Just how pigeons find their way home is a bit of mystery. Some people think that they use landmarks4. That is the pigeon1 knows what the land is like from the air and it uses this like a map. A landmark3 in Sydeny for example, is the Opera House, which can easily be seen from a long way off. Other possibilities are that pigeons use the position of the sun to work out directions or that they have some kind of built in compass. For quite a few years now, scientists have been caring out experiements on homing pigeons, but they still aren't sure how pigeons find their way home. It seems likely, however, that pigeons like airline pilots use a number of different message to guide them on their long distance journeys. Perhaps, one day we'll learn their secret.


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1 pigeon ESmzf     
n.鸽子
参考例句:
  • The pigeon homed from a distance of 100 miles.鸽子从百英里之外返回窝巢。
  • How many pigeon eggs do you need?你要几个鸽子蛋?
2 pigeons pigeons     
n. 鸽子 名词pigeon的复数形式
参考例句:
  • the sound of pigeons cooing 鸽子咕咕的叫声
  • The boy frightened away the pigeons from the roof. 那男孩把屋顶上的鸽子吓飞了。
3 landmark j2DxG     
n.陆标,划时代的事,地界标
参考例句:
  • The Russian Revolution represents a landmark in world history.俄国革命是世界历史上的一个里程碑。
  • The tower was once a landmark for ships.这座塔曾是船只的陆标。
4 landmarks 746a744ae0fc201cc2f97ab777d21b8c     
n.陆标( landmark的名词复数 );目标;(标志重要阶段的)里程碑 ~ (in sth);有历史意义的建筑物(或遗址)
参考例句:
  • The book stands out as one of the notable landmarks in the progress of modern science. 这部著作是现代科学发展史上著名的里程碑之一。 来自《现代汉英综合大词典》
  • The baby was one of the big landmarks in our relationship. 孩子的出世是我们俩关系中的一个重要转折点。 来自辞典例句
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TAG标签:   大学英语  六级听力
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