完形填空

　  All my life people have told me that I was bright and that I had a lot of potential. I usually did really 1in school and I even got a scholarship to a really good2．The only thing that I wasn't good at was 3friends. I was so shy that I had a hard time talking to people.I just didn't 4anywhere.

      Then it all changed.I started 5classes, getting into trouble and then I was6out of college. I started7with the other kids I grew up with that didn't have the same8I had.We lived in poor neighborhoods and we had no idea how much our 9couldaffect our future.We weren't kids anymore and the only thing we 10was the streets. I was looking up to the11people and I couldn't even recognize myself12．Tomake a long story short, I went to prison.Twice. I 13thought I would make it to see my family again, 14I did.

        Now I'm with my 15．I never cried through any of it, not even when I was in the hospital or in16．I suddenly felt so17to be home. My heart finally opened up and that 18of being abandoned was gone.All I want to do now is give to other people the19way I know now.Just decide who you want to be 20someone else decides foryou.

Netes：

potentialn．潜力

可能导致地面无线电短波通讯突然中断的原因是（    ）

钓鱼岛是中国的固有领土，位于中国东海，面积约4400000平方米，数据4400000用科学记数法表示为（  ）

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若$\sqrt{3m-1}$有意义，则m取值范围是（       ）