題目列表(包括答案和解析)
| 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(美國國家宇航局) 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 |
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(美國國家宇航局) 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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