Unit 1 1
Text A Misunderstanding 1
Text B The Mysteries of the English Language 9
Text C 5 Ways to Enlarge Your Vocabulary 19
Unit 2 31
Text A Mistaken Identity 31
Text B If Only 41
Text C A Captive Audience 51
Unit 3 62
Text A I Can't Accept Not Trying 62
Text B Enthusiasm Leads to Success 74
Text C Learning from Failure 85
Unit 4 96
Text A I Like Animals 96
Text B Horse Sense—Wilhelm von Osten Tries to Teach Horse to Count 113
Text C Endangered Animals—Extinction Is Forever 121
Unit 5 132
Text A Precious Legacy 132
Text B A String of Blue Beads 144
Text C A Story about Friendship 154
Unit 6 165
Text A Billy（Part One） 165
Text B Billy （Part Two） 176
Text C The Christmas Man 189
Unit 7 200
Text A Honesty Pays Off 200
Text B The Honest Woodman 207
Text C Serious Business 213
Unit 8 225
Text A The Top 5 Scientific Breakthroughs of the 21st Century 225
Text B The Chernobyl Disaster 239
Text C Why Is It Important to Recycle？ 245
附录 256
《21世纪大学实用英语综合教程（2）》“Listening ＆Speaking”部分Ex.10参考范文 256