Unit 1Language 语言
Passage & Conversation 1
Practice9
Quiz Ⅰ10
Quiz Ⅱ11
Unit 2Fire 火
Passage & Conversation 12
Practice21
Quiz Ⅰ22
Quiz Ⅱ22
Unit 3Writing 文字
Passage & Conversation23
Practice31
Quiz Ⅰ32
Quiz Ⅱ33
Unit 4The Wheel 轮子
Passage & Conversation34
Practice42
Quiz Ⅰ42
Quiz Ⅱ43
Unit 5Tools 工具
Passage & Conversation44
Practice52
Quiz Ⅰ53
Quiz Ⅱ54
Unit 6Boats and ships 船
Passage & Conversation55
Practice63
Quiz Ⅰ63
Quiz Ⅱ64
Unit 7Art and Music 艺术与音乐
Passage & Conversation65
Practice71
Quiz Ⅰ72
Quiz Ⅱ72
Unit 8Agriculture 农业
Passage & Conversation74
Practice83
Quiz Ⅰ83
Quiz Ⅱ84
Unit 9The City 城市
Passage & Conversation85
Practice93
Quiz Ⅰ94
Quiz Ⅱ94
Unit 10Religion, Morality and Law 宗教、道德与法律
Passage & Conversation95
Practice102
Quiz Ⅰ102
Quiz Ⅱ103
Unit 11Philosophy 哲学
Passage & Conversation104
Practice111
Quiz Ⅰ111
Quiz Ⅱ112
Unit 12Democracy and Human Rights 民主与人权
Passage & Conversation113
Practice119
Quiz Ⅰ119
Quiz Ⅱ120
附录文章译文与解答 121