第四版前言 I 使用說(shuō)明 V Unit 1?Countries Unit 2?Food and Health Unit 3?Language Unit 4?Telephone Unit 5?Famous People Unit 6?Fashion Unit 7?Comparison and Contrast Unit 8?Consolidation (1) Test 1 Unit 9?The Press Unit 10?The News Unit 11?Modern Inventions Unit 12?Computers Unit 13?The Environment Unit 14?Stories Unit 15?Global Issues Unit 16?Consolidation (2) Test 2