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    Maybe you know a lot about the city you live in. You may even know some interesting facts about Earth, but 36 do you know about Mars? Will there be 37 there just like people on Earth? Mars is the fourth planet from the sun and it's the most like Earth, but it's much 38 than Earth because it's farther from the sun. It's also the only planet whose surface can be 39 from Earth. Mars is often called "the red planet" because the rocks on it have a dark 40 color. There are strong winds on Mars that can 41 dust into the hills. For many years, people have 42 Mars. They have sent instruments and robots there. Some of the robots got there, 43 most failed. NASA sent two robots to Mars two years ago. They wanted to 44 signs of water and life on Mars. Some day, humans will travel to Mars and have an even 45 look at our red neighbor. Maybe it could be you! 36. A. when B. what C. which D. how 37. A. sound B. life C. air D. water 38. A. hotter B. colder C. bigger D. smaller 39. A. seen B. wrote C. heard D. visited 40. A. red B. black C. white D. yellow 41. A. blow B. look C. mix D. fly 42. A. lived on B. landed on C. studied D. written 43. A. but B. and C. however D. or 44. A. leave B. use C. find D. give 45. A. faster B. farther C. closer D. lower 【查看更多】

     

    题目列表(包括答案和解析)

    Maybe you know a lot about the city you live in. You may even know some interesting facts about Earth, but 16  do you know about Mars? Will there be  17  there just like people on Earth?

    Mars is the fourth planet from the sun and it's the most like Earth, but it's much 18   than Earth because it's farther from the sun. It's also the only planet whose surface can be 19   from Earth.

    Mars is often called "the red planet" because the rocks on it have a dark   20   color. There are strong winds on Mars that can 21  dust into the hills.

    For many years, people have 22 Mars. They have sent instruments and robots there. Some of the robots got there, 23  most failed.

    NASA(美国国家宇航局) sent two robots to Mars two years ago. They wanted to  24   signs of water and life on Mars. Some day, humans will travel to Mars and have an even 25  look at our red neighbor. Maybe it could be you!

    (   )16.  A. when          B. what          C. which           D. how

    (   )17.  A. sound         B. life          C. air             D. water

    (   )18.  A. hotter        B. colder        C. bigger          D. smaller

    (   )19.  A. seen          B. wrote         C. heard           D. visited

    (   )20.  A. red           B. black         C. white           D. yellow

    (   )21.  A. blow          B. look          C. mix             D. fly

    (   )22.  A. lived on      B. landed on     C. studied         D. written

    (   )23.  A. but           B. and           C. however         D. or

    (   )24.  A. leave         B. use           C. find            D. give

    (   )25.  A. faster        B. farther       C. closer          D. lower

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    完形填空。
    　　Maybe you know a lot about the city you live in. You may even know some
    interesting facts about Earth, but    1   do you know about Mars? Will there be 
       2    there just like people on Earth?
    　　Mars is the fourth planet from the sun and it's the most like Earth, but it's
    much    3   than Earth because it's farther from the sun. It's also the only planet
    whose surface can be    4   from Earth.
    　　Mars is often called "the red planet" because the rocks on it have a dark   5  
    color. There are strong winds on Mars that can    6    dust into the hills.
    　　For many years, people have   7    Mars, They have sent instruments and
    robots there.
    Some of the robots got there,    8   most failed.
    　　NASA(美国国家宇航局) sent two robots to Mars two years ago. They
    wanted to   9   signs of water and life on Mars. Some day, humans will travel to
    Mars and have an even   10   look at our red neighbor.
    (     )1. A. when    
    (     )2. A. sound  
    (     )3. A. hotter  
    (     )4. A. seen    
    (     )5. A. red    
    (     )6. A. blow    
    (     )7. A. lived on
    (     )8. A. but    
    (     )9. A. leave  
    (     )10. A. faster     		B. what    
    B. life    
    B. colder  
    B. wrote    
    B. black    
    B. look    
    B. landed on
    B. and      
    B. use      
    B. farther      		 C. which  
    C. air    
    C. bigger
    C. heard  
    C. white  
    C. mix    
    C. studied
    C. however
    C. find  
    C. closer     		D. how    
    D. water  
    D. smaller
    D. visited
    D. yellow
    D. fly    
    D. written
    D. or    
    D. give  
    D. lower  

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