When I entered Berkele y, I hoped to earn a scholarship. Having been a StraightA student，I believed I could __1__ tough subjects and really learn something. One such course was World Literature given by Professor Jayne. I was extremely interested in the ideas he __2__ in class.
When I took the first exam，I was __3__ to find a 77, Cplus，on my test paper, __4__ English was my best subject. I went to Professor Jayne, who listened to my arguments but remained __5__.
I decided to try harder, although I didn't know what that __6__ because school had always been easy for me. I read the books more carefully，but got another 77. Again, I __7__ with Professor Jayne. Again，he listened patiently but wouldn't change his __8__.
One more test before the final exam. One more __9__ to improve my grade. So I redoubled my efforts and, for the first time, __10__ the meaning of the word “thorough”. But my __11__ did no good and everything __12__ as before.
The last hurdle (障碍)was the final. No matter what __13__ I got，it wouldn't cancel three Cpluses. I might as well kiss the __14__ goodbye.
I stopped working hard. I felt I knew the course material as well as I ever would. The night before the final，I even __15__ myself to a movie. The next day I decided for once I'd have __16__ with a test.
A week later, I was surprised to find I got an A. I hurried into Professor Jayne's office. He __17__ to be expecting me. “If I gave you the As you __18__， you wouldn't continue to work as hard.”
I stared at him, __19__ that his analysis and strategy (策略)were correct. I had worked my head __20__， as I had never done before.
I was speechless when my course grade arrived: Aplus. It was the only Aplus given. The next year I received my scholarship. I've always remembered Professor Jayne's lesson: you alone must set your own standard of excellence.
1. A．take B．discuss
答案：B he presented in class是定语从句，修饰表抽象事物的先行词ideas。