UNIT 1 ADVERTISING ON THE AIR 1
UNIT 2 IDENTITY THEFT 15
UNIT 3 ENDURANCE TEST 29
UNIT 4 CULTURE AND COMMERCE 45
TEST 1 62
UNIT 5 VOLUNTARY SIMPLICITY 67
UNIT 6 BEFORE YOU SAY“I DO” 85
UNIT 7 PERSONAL CARBON FOOTPRINT 101
UNIT 8 TO SPANK OR NOT TO SPANK? 121
TEST 2 136
THE PHONETIC ALPHABET 国际音标表 140
CREDITS 著作权人名单 141