We know 1   about the universe(宇宙). It means the earth, the sun, the moon, the stars, and the space 2   them.
Most of the stars are much 3  than the moon, but they look smaller 4  they are far away from the earth. At night, the moon is high in the sky 5  a light. But the moon has 6   light of its own. The light of the moon comes from the sun. The sun gives us light, heat and life. And the plants, animals and men will die 7   the sun.
The earth goes around itself 8   . When the part of the earth 9   to the sun, it is day. The 10   part of the earth is night.
The earth is our homeland. We should love it.

A．many B．a lot of C．much D．few

A．in B．between C．among D．with

A．farther B．nearer C．warmer D．bigger

A．because B．so C．but D．and

A．looks B．like C．looks like D．as

A．not B．no C．little D．less

A．with B．without C．in D．on

A．a long time B．in the daytime C．all the time D．take after time

A．turns B．gets C．points D．changes

A．front B．following C．opposite D．same