The earth is big. The moon is small. About 50 moons equal to one earth.
举一反三
- One day on the moon is ______. A: two Earth week long B: two Earth weeks long C: two Earth weeks longer D: two Earth weeks length
- Which is ______, the sun, the moon or the earth?---Of course, the moon is ______ . A: small B: smaller C: smallest D: the smallest
- Why does the earth become cool? A: Because the sun gives the heat to the earth. B: Because the moon gives the wind to the earth. C: Because the earth rotates . D: Because the sun's heat bounces to the space.
- The earth _______ round the sun, and the moon _________ round the earth
- The weight of the moon is only about () of that of the earth. A: one eighty B: one of eighty C: one the eightieth D: one eightieth