Preface 1
Principles of Effective Teaching and Teaching Standard 1
Teaching Methodology and Suggestions 8
Book A 11
Unit 1 Weather 13
Unit 2 Space 30
Unit 3 Population 49
Unit 4 Resources 72
Unit 5 Environment 89
Unit 6 Crime 107
Exercise 1 130
Unit 7 Business 139
Unit 8 Religion 162
Unit 9 Disaster 189
Unit 10 Famous People 207
Unit 11 Beijing 224
Unit 12 Culture 239
Exercise 2 255
Book B 265
Unit 1 Weather 267
Unit 2 Space 277
Unit 3 Population 289
Unit 4 Resources 297
Unit 5 Environment 307
Unit 6 Crime 317
Exercise 1 328
Unit 7 Business and Money 329
Unit 8 Religion 339
Unit 9 Disaster 352
Unit 10 Famous People 362
Unit 11 Beijing 375
Unit 12 Culture 387
Exercise 2 399
附录1：技能教学参考表 400
附录2：课堂教学用语 402