Maria Mitchell ( 1818 - 1889 ), the firstwoman astronomer ( 天文學家) in the United States,was born in Nantucket, Massachusetts. Herparents valued education and insisted on giving her thesame quality ofeducation that boys received.

　　Her father, William Mitchell, was anastronomer and teacher himself. When he built his ownschool, Maria became astudent and also a teaching assistant to him. At home, Maria' s fathertaughther to watch the stars and other natural objects in space using hispersonal telescope (望遠鏡).

　　Later she went to work at the library of theNantucket Atheneum. Over the next twenty years,she further developed herinterest in reading as many books as she could. She spent her nightswatchingothe sky closely with her father.

　　On October 1,1847 ,Mafia discovered a comet(彗星) by merely using atwo-inch telescope.Some years before, King Frederick V[ of Denmark had set upprizes to each discoverer of a"telescopic comet". The prize was to begiven to the "first discoverer" of each such comet becausecomets wereoften discovered by more than one person.

　　There was once a question of who should bethe winner. As the story goes, Francesco de Vicohad discovered the same comettwo days later, but had reported it to the European officialor~ ni~tion first.However,after some discussion this was settled in Mitchell' s favor. She wonthe ptite in 1848 and became a big name the world over. The comet was named"Miss Mitchell' s Comet".

　　40. What can belearnt about Mafia' s parents according to the text?

　　A. They came fromlow-income families.

　　B. They gave Mafiaequal chance for education.

　　C. They were bothastronomers.

　　D. They were bothteachers.

　　41. Who played themost important role in Mafia' s great achievement?

　　A. King FrederickVI.

　　B. Francesco deVico.

　　C. Her father.

　　D. Her mother.

　　42. What problemdid Maria meet with in winning the prize?

　　A. She named thecomet on her own.

　　B. She did not usethe required telescope.

　　C. She did notreport her discovery in time.

　　D. She discoveredthe comet with her father.

　　43. When didFrancesco de Vico discover the comet?

　　A. In 1818.

　　B. In 1889.

　　C. In 1848.

　　D. In 1847.

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