UNIT ONE 1
Reading Text:A Map of Countries,Continents and OceansConversation:At the AirportSupplementary Reading:A MapGrammar：过去将来时现在完成进行时UNIT TWO 17
Reading Text:In the Big City 37
Conversation:At the Customs 37
Supplementary Reading:People in New York 37
Grammar：过去完成进行时 37
时态的呼应 37
UNIT THREE 37
Reading Text:Building a Better World for To-morrowConversation:At the HotelSupplementary Reading:Saving Our Natural ResourcesGrammar：动词不定式UNIT FOUR 60
Reading Text:China:Land and People 84
Conversation:At a Restaurant 84
Supplementary Reading:Beijing 84
Grammar：分词 84
UNIT FIVE 84
Reading Text:Automobile Travel 106
Conversation:At the Post Office 106
Supplementary Reading:Rail Transport 106
Grammar：动名词 106
UNIT SIX 106
Reading Text:Exchange by Barter 127
Conversation:A Telephone Call 127
Supplementary Reading:The Development of CommerceGrammar：复合宾语与复合主语UNIT SEVEN 127
Reading Text:We Live in a Business World 149
Conversation:Asking Directions 149
Supplementary Reading:We Do Business with Business FirmsGrammar：名词从句UNIT EIGHT 149
Reading Text:Buy Me! 171
Conversation:Buying a TV Set 171
Supplementary Reading:Supermarkets 171
Grammar：定语从句 171
UNIT NINE 171
Reading Text:A Sales Representative 193
Conversation:Arranging a Sightseeing Tour 193
Supplementary Reading:A Supermarket Manager 193
Grammar：状语从句 193
UNIT TEN 193
Reading Text:Things We Eat 216
Conversation:Buying Train Tickets 216
Supplementary Reading:The Great Food Regions of the WorldGrammar：虚拟条件句UNIT ELEVEN 216
Reading Text:The History of Money 238
Conversation:A Doctor's Visit 238
Supplementary Reading:Credit Card 238
Grammar：省略与代替 238
UNIT TWELVE 238
Reading Text:The Service of a Bank 259
Conversation:At the Bank 259
Supplementary Reading:Two Important Functions of BanksGrammar：句子的倒装UNIT THIRTEEN 259
Reading Text:The Money Systems of the United States and Great BritainConversation:At a Clothing StoreSupplementary Reading:Paper MoneyGrammar：It的用法UNIT FOURTEEN 281
Reading Text:International Trade 302
Conversation:Raise in Salary 302
Supplementary Reading:Trade 302
Grammar：构词法 302
VOCABULARY 302