especially, again, really, only, distinctive.如前所述，各位考生在听到这些提示词时，请集中精力听好其后所强调的具体内容。请看实例(TPO2 L3)： [听力原文]
So how does all this relate to human happiness? Well, Aristotle asks: is there something that all human beings value . . . and value only intrinsically, for its own sake and only for its own sake? If you could find such a thing, that would be the universal final good, or truly the ultimate purpose or goal for all human beings. Aristotle thought the answer was yes. What is it? Happiness. Everyone will agree, he argues, that happiness is the ultimate end to be valued for itself and really only for itself. [考题再现]
3.Why is happiness central to Aristotle's theory?
A. Because it is so difficult for people to attain
B. Because it is valued for its own sake by all people
C. Because it is a means to a productive life
D. Because most people agree about what happiness is
教授的自问自答往往都是出题的要点，该文段内，教授多次使用了含义强调词来修饰一个核心概念：for its own sake/for itself,利用此核心词来比对选项，可以轻松得到B为正确选项。