目录 1
试题 1
Unit 11 Scientific achievements 1
Unit 12 Fact and fantasy 5
Unit 13 The water planet 8
Unit 14 Freedom fighters 12
Unit 15 Destinations 16
Unit 16 The United States of America 19
Unit 17 Disabilities 22
Unit 18 Inventions 25
Unit 19 The Merchant of venice 28
Unit 20 Archaeology 32
听力材料 35
参考答案 75