Passage 25

　　Now people know a lot about the moon(月球). It is smaller(比...小) than the earth(地球）. There is no air(空氣) or water on the moon, so there are not any trees or people on the moon. The moon gets its light(光) from the sun, but some places on the moon are quite dark(非常黑暗). The days on the moon get hotter(比...更熱) than boiling water(開水). The nights get colder(比...更冷) than the North Pole(北極).

　　1. People know _________ about the moon now.(   )

　　A. much     B. a little     C. little      D. nothing

　　2. The moon is ________. (   )

　　A. bigger than the earth                        B. bigger than the sun

　　C. smaller than the sun but bigger than the earth   D. smaller than the earth

　　3. The sun _______ the moon.(   )

　　A. gets its light from   B. gives light to   C. gives water to    D. gives air to

　　4. ________ can live on the moon.(   )

　　A. People     B. Trees     C. Nothing     D. Animals

　　5. Which is true?(   )`

　　A.    The moon is very hot in the night.      B. The moon is not very hot in the day.

　　C.  The moon is hot in the day and cold in the night.