完形填空

　　The earth moves round the sun, and the 　　1　　 moves round the earth．When our part of the earth turns to the sun, it is 　　2　　．When our part of the earth turns 　　3　　 from the sun, it is night．

　　The sun is 　　4　　 bigger than the moon．But sometimes the moon 　　5　　 bigger than the sun because it is much 　　6　　 to the earth．

　　The sun is very bright．It gives very strong light．The moon looks quite bright, too．But it doesn’t give 　　7　　 light at all．The light from the moon 　　8　　 the sun．

　　The moon looks much bigger and brighter 　　9　　 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 　　10　　 away from the earth．

完形填空

　　The sun, the moon and the stars are all in the sky．The earth 　　1　　 round the sun．And the moon circles(围绕)the earth．

　　The sun is 　　2　　 than the moon．It gives us light and heat(热量)．When our part of the earth turns 　　3　　 the sun, it is day．When our part of the earth turns away 　　4　　 the sun, it is night．“Morning”is the time 　　5　　 sunrise(日出)and twelve o'clock, the 　　6　　 is overhead(当头)．It is“noon”．And when the sun sets(日落), it is“evening”．

　　The moon is much smaller than the sun．It 　　7　　 bigger only because it is much 　　8　　 the earth．It is our nearest neighbour(邻居)in space(宇宙)．Sometimes it looks quite bright, but it 　　9　　 any light at all．The light on the moon 　　10　　 from the sun．It only reflects(反射)the 　　11　　 of the sun．

　　The stars look 　　12　　 than the sun and the moon．But 　　13　　 of the stars are bigger than the sun．　　14　　 look small because they are very far away from 　　15　　．