Unit 1 People,Families and Environment 1
Intensive Reading Deng Xiaoping's Century 1
New Words ＆ Expressions 2
Translation of the Text邓小平的世纪 4
Grammar动词—系动词 5
Exercises 9
Unit 2 Weather and Climate 18
Intensive Reading Global Warming or El Nino?Whose Fault? 18
New Words ＆ Expressions 19
Translation of the Text全球变暖或厄尔尼诺，谁的过错？ 21
Grammar动词—情态动词 22
Exercises 29
Unit 3 Food and Drink 38
Intensive Reading Five Lies about Dieting 38
New Words ＆ Expressions 39
Translation of the Text节食的五个误区 41
Grammar动词时态（一）将来完成时和现在完成进行时 42
Exercises 43
Unit 4 Daily Life 52
Intensive Reading Changing Your Habits 52
New Words ＆ Expressions 53
Translation of the Text改变你的习惯 55
Grammar动词时态（二）过去完成进行时和将来完成进行时 56
Exercises 58
Unit 5 Free-time Activities ＆ Shopping 67
Intensive Reading My Career of Reading Books 67
New Words ＆ Expressions 68
Translation of the Text我的读书生涯 69
Grammar被动语态（一） 70
Exercises 75
Unit 6 Holidays 83
Intensive Reading Valentine's Day 83
New Words ＆ Expressions 84
Translation of the Text情人节 86
Grammar被动语态（二） 88
Exercises 89
Unit 7 Travel 98
Intensive Reading VSO in China 98
New Words ＆ Expressions 99
Translation of the Text在中国的外国志愿者 101
Grammar动词的非谓语形式（一）不定式 102
Exercises 108
Unit 8 Health and Body Care 117
Intensive Reading What the Students Want from Sports 117
New Words ＆ Expressions 118
Translation of the Text学生们参加体育运动的目的 119
Grammar动词的非谓语形式（二）过去分词 120
Exercises 121
PETS第三级模拟试题（一） 130
Unit 9 Services 146
Intensive Reading The Mailing of America 146
New Words ＆ Expressions 147
Translation of the Text美国购物中心的形成 149
Grammar动词的非谓语形式（三）动词的-ing形式 149
Exercises 152
Unit 10 Social Relations 162
Intensive Reading The Occasion of Saying"I Love You" 162
New Words ＆ Expressions 163
Translation of the Text什么时候说“我爱你” 164
Grammar虚拟语气（一） 165
Exercises 167
Unit 11 Jobs and Occupations 177
Intensive Reading The Skills of Using Your Secretaries 177
New Words ＆ Expressions 178
Translation of the Text如何管理你的秘书 179
Grammar虚拟语气（二） 180
Exercises 182
Unit 12 Current Affairs 191
Intensive Reading Titanic and American Life 191
New Words ＆ Expressions 192
Translation of the Text电影“泰坦尼克”的美国情结 194
Grammar复合句 195
Exercises 196
Unit 13 Education 206
Intensive Reading Love,Knowledge,and Pity 206
New Words ＆ Expressions 207
Translation of the Text爱、知识与同情 208
Grammar特殊句式 209
Exercises 214
Unit 14 Popular Science 223
Intensive Reading What Will the Cell Phones Be Like in Next Generation 223
New Words ＆ Expressions 224
Translation of the Text下一代的蜂窝电话什么样？ 226
Grammar构词法（一）合成法 227
Exercises 229
Unit 15 History 237
Intensive Reading American National Flags 237
New Words ＆ Expressions 238
Translation of the Text美国国旗 239
Grammar构词法（二）转换法 240
Exercises 241
Unit 16 Geography 249
Intensive Reading The Bermuda Triangle 249
New Words ＆ Expressions 250
Translation of the Text百慕大三角 251
Grammar构词法（三）派生法 252
Exercises 255
PETS第三级模拟试题（二） 262
附录一 练习答案 278
附录二 模拟试题答案 284
附录三 交际话题表 295
附录四 语法项目表 296
附录五 功能意念表 301
附录六 语言技能表 312
附录七 词汇总表 314