D.were the largest bird population in the US

7.The underlined word "undoing"probably refers to the pigeons'　　　.

A.escape B.ruin C.liberation D.evolution

8.What was the main reason for people to kill passenger pigeons?

A.To seek pleasure. B.To save other birds.

C.To make money. D.To protect crops.

9.What can we infer about the law passed in Michigan?

A.It was ignored by the public. B.It was declared too late.

C.It was unfair. D.It was strict.

答案

6.D　7.B　8.C　9.B　

　　When I told my father that I was moving to Des Moines, Iowa, he told me about the only time he had been there. It was in the 1930s, when he was an editor of the literary magazine of Southern Methodist University(SMU)in Dallas, Texas. He also worked as a professor at SMU, and there was a girl student in his class who suffered from a serious back disease. She couldn't afford the operation because her family was poor.

　　Her mother ran a boarding house in Galveston, a seaside town near Houston, Texas. She was cleaning out the attic(阁楼)one day when she came across an old dusty manuscript(手稿). On its top page were the words, "By O. Henry. "It was a nice story, and she sent it to her daughter at SMU, who showed it to my father. My father had never read the story before, but it sounded like O. Henry, and he knew that O. Henry had once lived in Houston. So it was possible that the famous author had gone to the beach and stayed in the Galveston boarding house, and had written the story there and left the manuscript behind by accident. My father visited an O. Henry expert at Columbia University in New York, who authenticated the story as O. Henry's.

My father then set out to sell it. Eventually, he found himself in Des Moines, meeting with Gardner Cowles, a top editor at the Des Moines Register. Cowles loved