Chapter 1 House-renting 1
Chapter 2 Interview 12
Chapter 3 Travelling 22
Chapter 4 Environment 34
Chapter 5 Library 44
Chapter 6 Biology 59
Chapter 7 Banking 74
Chapter 8 Geology 87
Chapter 9 Course and Study（Ⅰ） 104
Chapter 10 Course and Study（Ⅱ） 116
附录 Transcript 130