任务型阅读请根据材料内容，按照要求完成各题。
(1)我们生活在一个充满竞争的世界里. Our parents compete (竞争) with others in their offices, our
brothers and sisters compete with others in their colleges, and we compete with our classmates in school.
Many of us give up in the face of competition and will never be successful (成功的). Why can't we do
better than others? One important reason is that we have no self-confidence (自信).
In fact, everyone is born equal. You can do what others do. (3)Your classmates may be better than you
in some ways, __________ you may be better than them in __________ subjects. So everyone has his or
her own advantages (优点). Don't look at things from a single (单个的) point of view. Try to discover your
own advantages, and believe that you can do better than others in those ways.
Competition is not so terrible. Don't be afraid of it. And don't be afraid of those classmates who are better
than you. (2)Remember that self-confidence is the first step to success. Believe in yourselves, and you will
be successful one day.
1. 将（1）句翻译成英语。
2. 将（2）处画线部分译成中文。
3. 在（3）句空白处填上合适的词，使句子完整。
4. 在文中找出“Some classmates are better than you, don't be afraid of them.”的同义句。
5. 在文中找出本文的主题句。
的前n项和为
（对于所有n>=1）,且a4=54，则a1的值为（）