9．Why did Austin choose to shoot 2,057 free throws?

　　A．Because he wanted to set a new record of shooting hoops.

　　B．Because it was the number of kids who died of AIDS in Africa.

　　C．Because 2,057 kids lose their parents because of AIDS every day.

　　D．Because 2,057 kids died of AIDS at school each day in Africa.

　　答案与解析：C　细节理解题。根据第四段的"... because that is about the number of kids in Africa who are orphaned by AIDS during the length of a typical school day ..."可知，他选择这个数字是因为每天都有近2057个学生成为孤儿。

　　10．Austin went to Zambia last fall in order to ________.

　　A．find out what effect he had on African orphans

　　B．send the donations of $300,000 to orphans himself

　　C．examine the medical center built based on their donations

　　D．find a suitable place to build another medical center

　　答案与解析：A　细节理解题。根据第六段的"Austin visited Zambia last fall to see the difference he has made firsthand"可知，他去那里的目的是要亲自看看他的行动对于当地孩子的影响。

　　11．By saying "Yon don't need to wait to be an adult to make a difference"， Austin means ________.

　　A．making a difference needs immediate actions

　　B．there is no use waiting to make a difference

　　C．you can't expect an adult to make a difference

　　D．even teenagers can make a difference too

　　答案与解析：D　细节理解题。他这句话的含义是"你不必等到成为大人，才会做一些产生影响的事情"。言外之意是小孩子也可以做一些产生影响的事情。

　　12．What would be the best title of the passage?

　　A．AIDS spreads quickly in Africa

　　B．Youth is no obstacle to legend

　　C．The kids suffering AIDS also have dreams

　　D．Hoops of hope help Africans

答案与解析：B　标题归纳题。本文介绍一位年仅13岁的孩子通过自己