38．A．small                   B．big                       C．far                       D．near

37．A．near                   B．very farther            C．more farther         D．much farther

36．A．far                      B．away from            C．far from               D．away

35．A．far                      B．near                     C．high                    D．away

34．A．more than            B．less than               C．much more           D．as

33．A．second                 B．minute                  C．hour                    D．day

32．A．near                    B．the nearer             C．nearest                 D．the nearest

31．A．rainy                   B．windy                   C．sunny                  D．bad

    Light from the sun reaches us in 8.5 minutes．The sun is about 149,640,000 kilometers  36    the earth．Other stars are   37    away than the sun．Light from the nearest star reaches us in about four years．When you look at a  star，it is very    38   ．But  in fact many of them are    39    than the sun．They look small only  40    they are much farther away than the sun．

30．All the living thing ________ on the sun．

    A．feed                    B．live                      C．depend

    We see the sun every day．If it is  31  ，we Can  see the moon in the night，too．The sun and the moon are very near us．They are    32    stars in space（太空）

    Light travels at 300,000 kilometers a    33    ．Light reaches us from the moon in     34    a second and a half．The moon is about 382,000 kilometers    35    ．