Module 1 Life in the Future 1
Module 2 Traffic Jam 17
Module 3 Body Language and Non-verbal Communication 37
Module 4 Great Scientists 53
Module 5 A Trip Along the Three Gorges 73
Module 6 Unexplained Mysteries of the Natural World 84
Module 7 Revision 102
听力录音稿 113
参考答案 121