Do you think you can have only one job in your lifetime？This is not true，but lots of people think so.For example，when people decide what to learn in college，they think the decisions they make now will decide their jobs for the rest of their lives.However，here are many examples in which people achieved their dreams after changing their jobs later in life.

   Former President of the US，Ronald Reagan，began as an actor when he was a young man.Later，he decided to do political （政治的） work.The love for it finally led him to become President of the United States.

The famous artist in the19th century，Vincent Van Gogh，was not a painter at the beginning.He once worked as an art salesman and later he became a preacher （牧师）.It was only 10 years before he died that he decided to become an artist.

   J.K.Rowling，the writer of the famous novel Harry Potter，was a school teacher before she began writing books.In fact，she was out of work before the first book Harry Potter came out.

   Now we know job can be changeable.The important thing is to find what you are really good at or what you really want to do.Once you find what you love，it's all a matter of how hard you try.

根据文章内容，判断句子正（T）、误（F）。

（1） 　    　Ronald Reagan's love for political work led him to become President of the United States.

（2） 　    　Vincent Van Gogh was a painter at the beginning，and later he became a preacher.

（3） 　    　J.K.Rowling used to be a teacher before she began writing books.

（4） 　    　Before the first book Harry Potter came out，the writer of it was out of work.

（5） 　    　The examples in the passage tell us jobs can't be changeable.