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11.A.moon       B.earth      C.sun           D.stars 

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10.(   ) A. friendship(友谊)B. money  C. books        Dfeeling

B

The earth moves round the sun,and the  11  moves round the earth.When our part of earth turns to the sun,it is  12  .When our part of the earth turns   13   from the sun,it is night.

The sun is  14  bigger than the moon.But sometimes the moon 15  bigger than the sun,because it is much   16   to the earth.

The sun is very bright.It gives very strong light.The moon looks quite bright,too,but it doesn't give  17   light at all.The light from the moon  18  the sun.

The moon looks much bigger and brighter  19   the stars.But in fact the stars are a lot bigger and brighter than the moon.They look smaller than the moon because they are  20  away from the earth.

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9.(   ) A. so         B. because       C. with      D. if

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8.(   ) A. place       B. job          C. time      D. room

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7.(   ) A. very           B. so           C. too       D. such

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6.(   ) A. much       B. more         C. less       D. little

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5.(   ) A. trees       B. mountains     C. the wall    D. down

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4.(   ) A. buy        B. sell          C. collect     D. use

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3.(   ) A. play           B. take          C. grow      D. smell

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2.(   ) A. on         B. up           C. in           D. off

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