UNIT 1 COUNTRIES 1
UNIT 2 FOOD 10
UNIT 3 PLANTS 19
UNIT 4 TELEPHONE 27
UNIT 5 FAMOUS PEOPLE 35
UNIT 6 LANGUAGE 43
UNIT 7 COMPARISON AND CONTRAST 51
UNIT 8 CONSOLIDATION（1） 60
UNIT 9 TEH PRESS 71
UNIT 10 THE NEWS 79
UNIT 11 SCIENCE AND TECHNOLOGY 88
UNIT 12 COMPUTERS 96
UNIT 13 ENVIRONMENT 104
UNIT 14 FASHION 112
UNIT 15 PERSONALITY STUDIES 122
UNIT 16 CONSOLIDATION（2） 133
VOCABULARY 145