题目内容：

阅读下面短文，根据其内容，从方框中选择适当的单词填在标有题号的空白处，使语意通顺、完整。 （每空一词，且不可重复，不需变形式）

advantages    never    who    believe    first    full    discover    than    so   everyone      sisters   and      in       reason    with

We are in a world which is   1.    of competition. Our parents compete(竞争) with others in their offices, our brothers and      2.    compete with others in their colleges, and we compete     3.     our classmates in school. Many of us give up in the face of competition and will    4. be successful. Why can't we do better     5.   others? One important     6.   is that we have no self-confidence(自信)。

In fact,       7.    is born equal (平等的) . You can do what others do. Although your classmates may be better than you    8.  some ways, you may be better than them in other subjects. So everyone has his or her own    9.  . Don’t look at things from a single point of view. Try to     10.   your own advantages, and      11.    that you can do better than others in those ways.

Competition is not   12. terrible. Don’t be afraid of it. And don’t be afraid of those classmates      13.  are better than you. Remember that self-confidence is the     14.   step to success. Believe in yourselves,      15.   you will be successful one day.