Unit 1 Urbanization 1
1．Search for Background Information 1
2．Discuss the Words'Meaning 3
3．Listen to the Lecture 7
4．Read for Information 8
Text A Urbanization of America,Growth of Cities 9
Text B In Defense of Urban Sprawl 14
5．Practice for Enhancement 20
6．Write an Academic Essay 26
7．Make Your Presentation 27
Unit 2 Old Population 28
1．Search for Background Information 28
2．Discuss the Words'Meaning 30
3．Listen to the Lecture 33
4．Read for Information 35
Text A Brave Old World—How the Elderly Are Seizing America 36
Text B Welcome to the Ageing Future 41
5．Practice for Enhancement 46
6．Write an Academic Essay 52
7．Make Your Presentation 53
Unit 3 Education 55
1．Search for Background Information 55
2．Discuss the Words'Meaning 57
3．Listen to the Lecture 61
4．Read for Information 63
Text A The American Education System:Rising to the Challenge—as Always 63
Text B In Ranking,U.S.Students Trail Global Leaders 67
5．Practice for Enhancement 74
6．Write an Academic Essay 81
7．Make Your Presentation 82
Unit 4 The Changing Family 84
1．Search for Background Information 84
2．Discuss the Words'Meaning 86
3．Listen to the Lecture 90
4．Read for Information 92
Text A Stabilizing Change in American Families 93
Text B After Long Wait,Same-Sex Couples Marry in New York 97
5．Practice for Enhancement 105
6．Write an Academic Essay 111
7．Make Your Presentation 111
Unit 5 Social Injustice 112
1．Search for Background Information 112
2．Discuss the Words'Meaning 114
3．Listen to the Lecture 117
4．Read for Information 119
Text A Growing Income Gap May Leave U.S.Vulnerable 120
Text B The"Glass Ceiling"in Modern Day Employment 126
5．Practice for Enhancement 132
6．Write an Academic Essay 138
7．Make Your Presentation 139
Unit 6 Values 140
1．Search for Background Information 140
2．Discuss the Words'Meaning 142
3．Listen to the Lecture 145
4．Read for Information 148
Text A The Values Americans Live By 149
Text B Values and Morals in American Society:The 1950s versus Todav 154
5．Practice for Enhancement 161
6．Write an Academic Essay 167
7．Make Your Presentation 168
Appendix 1 Sample Academic Essay 169
Appendix 2 Glossary 176
Appendix 3 The 570 Words of the Academic Word List(AWL) 189