C. An unsuccessful operation.

17. What did he decide to do after losing his legs?

A. Design new climbing shoes. 

B. Set up a club for the disabled.

C. Use technology to fight his disability.

听第11段材料，回答第18至20题。

18. Why did the man decide to leave the college in his second term?

A. He didn’t like the big lecture classes.

B. He couldn’t afford further education.

C. He was not interested in education.

19. What does he think of his work experiences?

A. They were personally rewarding.

B. They should be part of school life.

C. They gave him a chance to learn German.

20. Where is the university he decides to go to in the end?

A. In South Carolina.                B. In Florida.      C. In Ohio.

1~5 CAAB C          6~10 BBA CB     11~15 CCB AB       16~20 ACAAC