目录 1
Unit 11 Scientific achievement 1
Unit 12 Fact and fantasy 32
Unit 13 The water planet 64
Unit 14 Freedom fighters 94
Unit 15 Destinations 121
期中测试卷 149
Unit 16 The United States of America 157
Unit 17 Disabilities 189
Unit 18 Inventions 216
Unit 19 The Merchant of Venice 243
Unit 20 Archaeology 273
期末测试卷 298
参考答案 307