将TPO按照不同的分类进行汇总，托福听力考试时不论你遇到哪类的问题都可以轻松化解：生物，天文学，化学：

Psychology

TPO21

Lecture L2-Computer Science(Software Development)

TPO13

Lecture L1-City Planing(Pedestrian Malls)

TPO12(L2)

Lecture L2-Business(MBWA-Managing by Wandering Around)

TPO11

Lecture L4-Business(Advertising-4MS)

TPO06(L1)

Lecture-Economics(Boom and Bust)

Practice Testl

Lecture-Business(Organizati on)

Online Test

Lecture Business(Decision Making)

Sample Test

Lecture-Literature(Detective Novels)

Economics/Business/Other

TPO15

Lecture L1-Psychology) Distraction)

TPO14

Lecture L1-Psychology) Cognition)

TPO10

Lecture L4-Psychology(Childhood Amnesia)

TPO02

Lecture-Psychologyf Behaviorism)