The earth(地球)moves(移动)round the sun ,and the  36  moves round the earth. When our part of the earth turns(转) 37  the sun ,it is  38  .When our part of the earth turns  39 from the sun ,it’s Night.
The sun is  40 bigger than the moon. But sometimes the moon looks bigger than the sun , because it is much  41  to the earth.
The sun is very bright. It  42  very strong light. The moon looks quite bright, too, but it doesn’t give  43  light  44 .The light from the moon comes  45 the sun .

The earth moves round the sun, and the moon moves round the earth. When our part of the earth turns__46__ the sun, it is day. When our part of the earth runs away __47__ the sun, it is __48__.
The sun is much __49__ than the moon. But sometimes the moon _50__ bigger than the sun, because it’s much __51_ to the earth.
The sun is very bright. It gives very __52__light. The moon looks quite bright, too, but it doesn’t give any light at all. The light __53_ the moon comes from the sun.
The moon looks much bigger and brighter than the stars, _54__ in fact the stars are much bigger and brighter than the moon. __55__ smaller than the moon because they are farther away from the earth.

The earth moves round the sun ,and the moon goes round the earth .When our part（部分）of the earth turns to the sun ,it is day ,When our part of the earth turns away from the sun ,it is night. The sun is much bigger than the moon .But sometimes the moon looks bigger than the sun, because it’s much nearer to the earth. The sun is very bright .It gives a very strong light .The moon looks quite bright, too .But it doesn’t give any light at all. The moon looks much bigger and brighter than the stars .But actually（事实上）, the stars are much bigger and brighter than the moon .They look smaller than the moon because they’re much farther away from us.
【小题1】Sometimes the moon looks bigger than the sun, because______.