Jeff Keith has only one leg. When he was 12 years old ，Jeff had cancer . 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.
Jeff made a plan with his friends who had plastic legs, too. They decided to run across America. They all wore special T-shirts. On it was “Run ,Jeff, Run ,Jeff Keith's Run Across America.”
When he was 22 years old，Jeff Keith ran across the United States from the east to the west. He started running in Boston. Seven months later ，he stopped running in Los Angeles . He ran 3200 miles. 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 ，but for American Cancer Society .The Society used the money to know more about cancer .
On the way to Los Angeles Jeff talked to people about cancer. Jeff is disabled ，but he can do many things. He finished college and is studying to be a lawyer .Jeff says, “People can do anything they want to do .I want people to know that I ran not only for disabled people ，I ran for everybody.”
【小题1】Jeff's right leg was cut off because of the .
A .TB B. an accident C. cancer D. hurt
【小题2】Jeff's friends ran across America with him .They all have no A．T-shirtsB．legsC．shoesD．bicycles【小题3】The sentence “I ran for everybody ”means A．he wants to get more artificial legs B．people can do anything they want to C．some disabled men will bee lawyersD．disabled people can also run C
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(答案→)C
解析：
【小题1】细节理解题，根据文中语句“When he was 12 years old ，Jeff had cancer . Doctors had to cut off most of his right leg.”理解可知。
【小题2】细节理解题，根据文中语句“Jeff made a plan with his friends who had plastic legs, too. They decided to run across America. They all wore special T-shirts. On it was “Run ,Jeff, Run ,Jeff Keith's Run Across America.””理解可知。
【小题3】理解归纳题，根据文中最后自然段理解可知。