完形填空

通读下面短文，掌握其大意，然后从各题所给的A、B、C、D四个选项中，选择最佳答案。

　　Small children often laugh at a lame or blind person, or at someone who isn't dressed as well as they are. But 1 they grow up, they learn not to hurt people's feelings by laughing at their 2 . They learn to laugh at other things. Most 3 , they learn to laugh at 4 .

　　Suppose you're playing a game. You make a silly (蠢的) 5 and lose. Do you become angry? 6 can you laugh at yourself and hope to do it 7 next time? Suppose you're at a special 8 . You accidentally spill (无意喷出) some food. Why keep worrying about 9 clumsy (笨拙的) you looked? Why not laugh it off and enjoy yourself anyway? If you can, it's a good sign you've 10 grown up.

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