根据短文内容，从A、B、C、D四个选项中选出一个能正确填人相应空格内的最佳答案，并把答题卡上对应题目的答案标号涂黑。

　 There was a woman in Detroit, who had two sons．She was worried about them, especially the younger one, Ben, because he was not doing well in school．Boys in his class played jokes on him because he seemed so　 42　 ．The mother　　 43　 that she would help her sons to do　 44　 in school by herself．She told them to go to the Detroit Public Library to　 45　 a book a week and do a book report for her．

　 One day, in Ben's class, the teacher held up a rock (石头) and asked　　 46　 anyone knew it．Ben put up his hand and the teacher let him　　 47　 ．"Why did Ben put up his hand?" all of his classmates whispered (耳语)．"He　 48　 said anything．What could he possibly want to say?" However, Ben not only　 49　 the rock, but also said a lot about it．The teacher and the other students were　 50　 ．Ben had learned this from doing one of his book reports．

　 Later Ben became the top student of his class．When he finished high school, he went to Yale University and　 51　 became one of the best doctors in the United States．

42．A．clever　　　　　　　 B．difficult　　　　　　 　　　 C．slow　　　　 　　　 D．quick

43．A．seemed　　　　　　 B．decided　　　 　　　　 C．wondered　　 D．told

44．A．well　　　　　 　　　 B．bad　　　　　 　　　 C．right　　　 　　 D．good

45．A．see　　　　　 　　　 B．find　　　　　 　　　 C．read　　　 　　 D．buy

46．A．that　　　　　 　　　 B．if　　　　　 　　　 C．how　　　 　　 D．why

47．A．think　　　　 　　　 B．leave　　　　 　　　 C．ask　　　　 　　 D．answer

48．A．always　　　　　　 B．ever　　　　　 　　　 C．sometimes　 　 D．never

49．A．found　　　　　　　 B．played　　　 　　　 C．knew　　　 　　 D．heard

50．A．afraid　　　　　　　 B．surprised　　　　　 　　 C．worried　　 　　 D．unhappy

51．A．at first　　　 B．at the end　　　　 　　 C．at last　　　 　　 D．now

41．Sorry, Peter．I took your backpack　　　　 ．

　　 A．by accident　 B．by the way　 　 C．by air　　　　 　　　　　　　 D．by mistake

40．Can you provide me　　　　 more information about Paris?

　　 A．/　　　　　　 B．with　　　　 C．for　　　　　　　 D．A and B

39．Disney is an amusement park　　　 　　you can find all the normal attractions and Disney characters．

　　 A．which　　　　 B．that　　　　 C．there　　　　　　 D．in which

38．It is reported that more new teaching buildings　　　　 in our school in the next term．

　　 A．will be built　 B．was built　　 C．has built　　　　 D．will build

37．Attention, please．The flight has to be　　　　 because of the heavy rain．

　　 A．put on　　　　 B．put off　　　 C．put away　　　　 D．put up

36．--- Morn, it's a little cold．Shall I　　　　 you your coat from the bedroom?

　　 ---Yes, please．

　　 A．bring　　　　 B．take　　　　 C．fetch　　　　　 D．carry

35．---Would you mind　　　　 my little sister while I am away?

　 ---Of course not．

　　 A．looking for　　 B．looking at　　 C．looking drier　　 D．taking after