We are in a world full of competition．Our parents compete（競(jìng)爭(zhēng)）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．①can't，others，why，we，do，better，than One important reason is that we have no self-confidence（自信）．

In fact，everyone is born equal．You can do what others do．Although your classmates may be better than you in some ways，you may be better than them in other subjects．So everyone has his or her own advantages．Don't look at things from a single（單個(gè)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．②Remember that self-confidence is the first step to success．Believe in yourselves，and you will be successful one day．

1．Are we living in a world full of competition?

2．How can you improve your serf-confidence according to the passage?

3．將①處劃線部分單詞連成一個(gè)完整的特殊疑問句。

4．將②處劃線部分譯成中文。

5．What's the main idea of this passage?