303.Amid a secondary school course, a student should be interested enough in a subject to enjoy gaining knowledge for its own sake.

英语四级译文:
在中学课程当中，学生应该对学科有足够的兴趣，并基于兴趣而享受获得知识本身的过程。

四级词汇讲解:
本句的主干是a student should be interested enough in a subject。amid a secondary school course是介词短语，作状语。

amid的意思是“在其间，在其中”。be interested in sth.是“对某物有兴趣”的意思。
for one's sake是固定搭配，表示“为了...”。

英语四级考点归纳:
动词不定式作结果状语或程度状语的几种常见搭配。

※ ...enough to do表示“足够……以能够”。如:
I hope you could become brave enough to speak in front of others.我希望你能变得足够勇敢，能在人前发言。

※ too...to do表示“太……而不”。如:
The room is too crowded to live in.这个房间太挤了，不能住人。

※ so/such...as to do表示“太……竟然”。如:
Tom was so foolish/such a fool as to tell lies to the police.汤姆太傻了，竟然对警察撒谎。

※ only to do表示一个出乎意料或相反的结果。如:
They lifted a rock only to have it drop on their own feet.他们搬起石头(结果却)砸了自己的脚。