The earth moves round the sun, and the moon moves round the earth. When our part (部分) of the earth turns to the sun, it is day. When our part of the earth turns away from the sun, it is night.

　　The sun is much bigger than the moon. But sometimes the moon looks bigger than the sun, because it's much nearer to the earth.

　　The sun is very bright. It gives a very strong light. The moon looks quite bright, too. But it doesn't give any light at all.

　　The moon looks much bigger and brighter than the stars. But in fact the stars are much bigger and brighter than the moon. They look smaller than the moon because they're much farther away from us.

　　1. ________ moves round __________.

　　A. The earth, the moon　　　　 B. The moon, the earth

　　C. The moon, the stars　　　　 D. The sun, the earth

　　2. Sometimes the moon looks bigger than the sun, because ________.

　　A. it is much bigger than the sun　 B. it comes out only at night

　　C. it is much nearer to the earth than the sun

　　D. it doesn't give a very strong light

　　3. The sun __________.

　　A. gives us light B. gives more light than the moon does

　　C. moves round the earth

　　D. makes the moon move round the earth

　　4. The stars ___________.

　　A. look much bigger than the sun

　　B. look much brighter than the moon

　　C. are a lot brighter than the moon, but they are not bigger than the moon

　　D. are much farther away from us than the moon

　　5. The moon looks bright because ___________.

　　A. it gives light　 B. it reflects (反射) the sun's light

　　C. it is nearer to the earth　 D. it is nearer to the sun

　　【讲解】

　　1-5　 B C A D B

　　这篇文章不是很难理解，只要弄清楚地球、月亮、太阳的有关知识就能作出来

　　关键是不要被文章所迷惑

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