1．前言 1
2．Unit Eight 1
Text A Virtual College 1
Text B Study in Paris 13
3．Unit Nine 25
Text A A Capital Celebration 25
Text B Too Good to Be True 40
4．Unit Ten 48
Text A We Are Not Alone 48
Text B Dad and Cheyenne 60
5．Unit Eleveny 68
Text A Recycling Trendy,But Often Costly 68
Text B Environmental Problems 82
6．Unit Twelve 90
Text A The Heart of San Francisco 90
Text B Reviews of San Francisco 103
7．Unit Thirteen 112
Text A Books and Chickens 112
Text B City or Village？ 125
8．课文参考答案 135
9．课文参考译文 145