短文改错。
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。
文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加，删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
Nick is a 28-year-old Australian man, which life is very difficult because he born without
arms or legs. Some people used to make fun of him and said he looked like a monster. Doing
normal things seemed impossibly to him. However, Nick never gave up, and after many failures,
he finally learn to swim, fish and even surf. Most surprising, he completed university and earned
the two degrees. Now he is the CEO of two company.
When asking about the secret of his success, Nick's answer is: Attitude is altitude. To him,
nothing is impossible if you has enough determination to overcome difficulties. He thinks a positive
attitude is the key of success.
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)，血小板4.6×1012/L，ANA阳性，抗SSA阳性，RF 25kU/L。