阅读文段完成问题

    正像他的父亲教诲他的那样,道德问题虽然只是一个简单的正确或错误的问题,但是实施起来却有一定的难度,特别是当你面对着很大的诱惑的时候。如果没有人看见你行为的时候,你能坚持正确吗?在时间紧急的情况下,你会不会闯红灯或是逆行?在没有任何人知道的情况下,你是否会把不属于自己的东西据为己有?

从方框中选出下列各旬的最佳应答语

合理使用化肥，有利于农作物的生长和减少环境污染．下列有关化肥的说法正确的（　　）

    The earth moves round the sun, and the moon goes 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 actually（事实上）, the stars are much bigger and brighter than the moon. They look smaller than the moon because they're much farther away from us.