UNIT 1 INCREASE YOUR VOCABULARY 1
UNIT 2 HEAT PUMPS 6
UNIT 3 MICE IN MONGOLIA 12
UNIT 4 GAINING KNOWLEDGE FOR LIFE 17
UNIT 5 VOICES OF TIME 23
UNIT 6 THE LITTLE GIRL WHO COULDN'T SMILE 29
UNIT 7 THE"SHOW-ME"STATE—MISSOURI 36
UNIT 8 EYE COMMUNICATION 42
UNIT 9 BURNING UP MONEY AND YOURSELF 48
UNIT 10 WATER SUPPLY 55
UNIT 11 THE GREAT AMERICAN GARAGE SALE 61
UNIT 12 EMPLOYMENT INTERVIEW(Ⅰ) 66
UNIT 13 EMPLOYMENT INTERVIEW(Ⅱ) 75
UNIT 14 ADULTS NOT ADMITTED 82
UNIT 15 PAPER HOUSING 88
UNIT 16 THE NEW WORLD 94
UNIT 17 THE FUTURE OF INTERNATIONAL TRADE 100
UNIT 18 MISERY OF SHYNESS 106
UNIT 19 THE AMERICAN COWBOY 114
UNIT 20 THE STOCK MARKET 120
UNIT 21 GETTING ALONG WITH YOUR BOSS 126
UNIT 22 SHARKS 135
UNIT 23 TOURISM(Ⅰ) 140
UNIT 24 TOURISM(Ⅱ) 148
UNIT 25 MATERIAL WEALTH AND HARD WORK 153
UNIT 26 WORLD FOOD AND NATURAL RESOURCES OUTLOOK 159
UNIT 27 THE SOCIAL COST OF DRUG USE 165
UNIT 28 THE VALUEOF FRIENDSHIP 171
UNIT 29 NURSING HOMES 177
UNIT 30 SMELL 182
ANSWER KEY 188