認真閱讀下面短文，并根據(jù)短文內(nèi)容回答問題。
    Jeff Keith has only one leg.When he was 12 years old，Jeff had cancer （癌癥）.Doctors had to cut off most of his right leg.Every day Jeff puts on an artificial（人造的） leg.The leg is plastic.With the plastic leg Jeff can ski，ride a bicycle，swim and play soccer.He can also run.
    When he was 22 years old，Jeff Keith ran across the United States from the east to the west.He ran 5200 kilometers.That is about 26 kilometers each day.Jeff wore out 36 pairs of running shoes and five plastic legs.Jeff stopped in cities on the way to Los Angeles.In every city people gave Jeff money，The money was not for Jeff himself，but for American Cancer Society（協(xié)會）.The Society used the money to know more about cancer.He talked about being disabled（殘疾的）.
    Jeff is disabled，but he can do many things.He finished college and is studying to be a lawyer（律師）.Jeff says， "People can do anything they want to do.I want people to know that I ran not only for disabled people but also for everybody."

（1）Why did the doctor cut off Jeff's right leg？

Because he had cancer.

Because he had cancer.

（2）How long did Jeff spend running across the United States，from the East to the West？

Two hundred days.

Two hundred days.

（3）What does Jeff use his plastic leg to do？

He used it to ski，ride a bicycle，swim，play socer and run.

He used it to ski，ride a bicycle，swim，play socer and run.

（4）What did Jeff talk about to the people on his way from the East to the West？

He talked about being disabled.

He talked about being disabled.

（5）How do you like Jeff Keith？（請自擬一句話回答）

He is brave and kind.

He is brave and kind.