【难句分析】　I did so well that by the end of the senior year I had perfect grades and enough credits to give up an entire quarter of coursework.

　　分析：该句为主从复合句。句中使用了"so... that..."结构，表示"如此......以致于......"；句中的"that by the end of the senior year I had perfect grades and enough credits to give up an entire quarter of coursework"为that引导的结果状语从句。

　　译文：我功课完成得很好，以致于到高三期末时，我取得了优异的成绩，拿到了足够的学分，从而可以免去整整四分之一的课程作业。

　　1．Why was the writer called a "brain"？

　　A．She was a bookworm all the time.

　　B．She was the head of her small group.

　　C．She did a good job in her studies.

　　D．She did more coursework for good grades.

　　答案与解析：C　考查细节理解。根据第一段第三句"I did so well that by the end of the senior year I had perfect grades and enough credits to give up an entire quarter of coursework"可知，在高中毕业那年结束的时候"我"取得了优异的成绩，拿到了足够的学分，从而可以免去整整四分之一的课程作业。由此可推知，"我"被认为是一个"聪明的学生"是因为"我"在课业方面表现出色，故C项正确。

　　2．What can we infer from the second paragraph?

　　A．She ruined her health because of studying hard.

　　B．She got the reward beyond expectation.

　　C．She was grateful for giving a speech.

　　D．She wasn't good at physics at school.

　　答案与解析：D　考查推理判断。根据第二段最后一句"I mumbled something and fled the office, blaming myself for staying away from physics, a subject sure to have ruined my perfect record"可知，"我"咕哝了几句话就逃出了办公室，责怪自己没学好物理，这门学科肯定破坏了"我"的完美记录。据此可以判断，作者不擅长物理，故D项正确。

　　3．How did the author feel at the beginning of the graduation speech?

　　A．Scared.　 B．Moved.

C．Excited. D．Embarrassed.