Next time you see a pigeon flying___1___the sky,look at it carefully! Is it holding a can? Or a camera? Or wearing a backpack? If it's a carrier pigeon, it just might be a working bird. You've probably___2___of working dogs that help police officers, or horses that help farmers. Did you know that carrier pigeons can be___3___to help people too? What kind of jobs do these birds___4___? Carrier pigeons can be trained to carry messages to people. The note is___5___into a small skinny can. The can is___6___to the pigeon's leg. Then the pigeon flies off to___7___the note. Carrier pigeons are good messengers because they're fast and can fly long distances. They also have a good___8___of direction. They can even reach places that people can,t. More than 800 years ago, Genghis Khan an Asian___9___set up pigeon post offices across his lands! As recently as 2010, Cuba used pigeons to election___10___to its mountain people.1.A.by B.under C.across D.on2.A.heard B.spoken C.caid D.asked

Choose the best answers to complete the following passage.

  Next time you see a pigeon flying___1___the sky,look at it carefully! Is it holding a can? Or a camera? Or wearing a backpack? If it's a carrier pigeon, it just might be a working bird.

  You've probably___2___of working dogs that help police officers, or horses that help farmers. Did you know that carrier pigeons can be___3___to help people too? What kind of jobs do these birds___4___?

  Carrier pigeons can be trained to carry messages to people. The note is___5___into a small skinny can. The can is___6___to the pigeon's leg. Then the pigeon flies off to___7___the note. Carrier pigeons are good messengers because they're fast and can fly long distances. They also have a good___8___of direction. They can even reach places that people can,t. More than 800 years ago, Genghis Khan an Asian___9___set up pigeon post offices across his lands! As recently as 2010, Cuba used pigeons to election___10___to its mountain people.

1.A.by

   B.under

   C.across

   D.on

2.A.heard

   B.spoken

   C.caid

   D.asked

参考答案与解析：

相关试题

On a clear night you can see myriad stars ______ in the sky.

On a clear night you can see myriad stars ______ in the sky.A. twinklingB. glist

  • 查看答案

    • --Mary, remember to come and see us next time you are in town. --____________.

    [单选题]--Mary, remember to come and see us next time you are in town. --__________

  • 查看答案

    • AWhen you look at the sky at night,the m

    [单选题]A．When you look at the sky at night，the moon looks bigger than the stars． In fact，the moon is much smaller than the stars．It is much smaller than the earth． But the moon is much closer to us than any star． That is why it looks so big． If you hold a c

  • 查看答案

    • _ me carefully, Can you ___.

    _ me carefully, Can you ___.A. Hear... hearB. Hear... listenC. Listen to... hear

  • 查看答案

    • On the street you can see many ( ).

    On the street you can see many ( ).A. woman - driverB. woman - driversC. women -

  • 查看答案

    • Can you see a little _______ in the picture? （ ）

    Can you see a little _______ in the picture? （ ） Can you see a little ______

  • 查看答案

    • Nice to see you. I ______you for a long time.

    [单选题]Nice to see you. I ______you for a long time.A.haven't seenB.didn't seeC.ha

  • 查看答案

    • The work___by the time you came back.

    The work___by the time you came back.A. will have been doneB. was doneC. had bee

  • 查看答案

    • They look the same,________ they also have some differences.One day their grandfather came to see t

    They look the same,________ they also have some differences.One day their grand

  • 查看答案

    • By the time youcome to see me next month, I _____ my term paper.

    [单选题]By the time youcome to see me next month, I _____ my term paper.A.have comp

  • 查看答案