阅读理解。

      Jack London was a famous American writer , He was born on January 12, 1876 in California.

      His family was very poor, and Jack had to leave school to make money. He worked hard in many 

different jobs. Later, Jack returned to school. But didn’t stay long. In the year 1897, he went to Alaska

to find gold. Instead of getting much gold, he found ideas for his books and stories. He went back home

and began to write. His writing were warmly welcomed and he became rich and famous when he was

under thirty . But Jack London was not a happy man. In poor health. He took his own life in 1916. He

was then only forty years old.

根据短文内容判断正（T）误（F）。

( )1. When he was still a child, Jack left school to make a living by himself.

( )2. To find gold, he went to Alaska, but he changed his mind and became a school teacher.

(     )3. Jack got good ideas for writing when staying in Alaska.

( )4. “To take one’s own life”means“to kill oneself.”

( )5. Jack London was a great writer and he lived a happy life.