Unit 1 Growing Up 1
Text A Writing for Myself 1
Text B Summer Reading 6
Integrated Exercises 10
Unit 2 Friendship 16
Text A All the Cabbie Had Was a Letter 16
Text B Never Let a Friend Down 22
Integrated Exercises 27
Unit 3 Understanding Science 32
Text A Public Attitudes Toward Science 32
Text B How to Make Sense Out of Science 38
Integrated Exercises 42
Unit 4 American Dream 48
Text A Tony Trivisonno’s American Dream 48
Text B Ben Carson：Man of Miracles 53
Integrated Exercises 58
Unit 5 Romance 63
Text A A Valentine Story 63
Text B The Wallet 71
Integrated Exercises 75
Unit 6 Animal Intelligence 81
TExt A What Animals Really Think 81
Text B Do Animals fall in Love？ 88
Integrated Exercises 91
Unit 7 Emergency 97
Text A“Kids on the Track” 97
Text B The Night the River Came In 100
Integrated Exercises 102
Unit 8 Coping with an Educational Problem 107
Text A Fable of the Lazy Teenager 107
Text B Ditch the Calculator 110
Integrated Exercises 113
Self Test（Mid-term） 118
Self Test（Final） 128
Appendix Ⅰ Key to Integrated Exercises 138
Unit 1 138
Unit 2 139
Unit 3 140
Unit 4 142
Unit 5 143
Unit 6 145
Unit 7 147
Unit 8 148
AppendixⅡ Key to Exercises of Integrated Course 150
Unit 1 150
Unit 2 152
Unit 3 155
Unit 4 158
Unit 5 160
Unit 6 162
Unit 7 165
Unit 8 168
AppendixⅢ Key to Self Test（Mid-term） 172
Key to Seif Test（Final） 173
Appendix Ⅳ Chinese Translations of Texts 175
第一单元 175
第二单元 178
第三单元 182
第四单元 185
第五单元 190
第六单元 194
第七单元 197
第八单元 202