阅读下面短文，掌握大意，然后从A、B、C、D四个选项中选出最佳选项。

阅读下面短文，掌握大意，然后从A、B、C、D四个选项中选出最佳选项。
There was a woman in Detroit, who had two sons. She was worried about them, especially the younger one, Ben,         he was not doing well in school. Boys in his class made jokes about him because he seemed so        .The mother       that she herself would have to get her sons to do better in school. She told them to go to the Detroit Public Library to read a       a week and do a report about it for her. One day, in Ben’s       , the teacher held up a rock and asked if anyone knew it. Ben put up his hand and the teacher let him      . “Why did Ben put up his hand?” his classmates wondered. He        said anything. What would he possibly want to say?Ben not only         the rock, but also said a lot about the rock. He named many other rocks in the same group and even knew         the teacher had found it. The teacher and the students were      . Ben had learned all this from doing one of his book      .Later Ben went on to the         of his class. When he finished high school, he went to Yale University (耶鲁大学)and at last became one of the best doctors in the USA. After Ben grew up, he         something about his mother that he did not know as a       . She, herself, had never learned how to       .

小题1:	A．because B．so C．but D．though

小题2:	A．clever B．hard C．slow D．quick

小题3:	A．asked B．decided C．forgot D．heard

小题4:	A．notice B．message C．book D．question

小题5:	A．class B．room C．office D．lab

小题6:	A．think B．leave C．stand up D．sit down

小题7:	A．always B．even C．quickly D．never

小题8:	A．found B．played C．knew D．threw

小题9:	A．whether B．when C．where D．why

小题10:

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

小题11:

A．pictures B．exercises C．shops D．reports

小题12:

A．top B．end C．back D．side

小题13:

A．learnt B．remembered C．forgot D．guessed

小题14:

A．doctor B．child C．children D．teacher

小题15:

A．read B．work C．teach D．show