短文改錯。
假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。
文中共有10處語言錯誤，每句中最多有兩處。錯誤涉及一個單詞的增加，刪除或修改。
增加：在缺詞處加一個漏字符號（∧），并在其下面寫出該加的詞。
刪除：把多余的詞用斜線（＼）劃掉。
修改：在錯的詞下劃一橫線，并在該詞下面寫出修改后的詞。
注意：1. 每處錯誤及其修改均僅限一詞；
2. 只允許修改10處，多者（從第11處起）不計分。
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.
_______________________________________________________________________________
