Unit One 1
TEXT A：First Snow 1
Grammar Review 倒装句（1） 18
TEXT B：Gas-Station Philosopher 21
Guided Writing 合同 30
Listening and Speaking 34
Unit Two 38
TEXT A：Cellular on the Move 38
Grammar Review 倒装句（2） 53
TEXT B：Cellphone Madness Goes Unanswered 58
Guided Writing 订单／订货信 66
Listening and Speaking 70
Unit Three 74
TEXT A：The Dangers of ECSTASY 74
Grammar Review 强调句 88
TEXT B："Addiction Ruined My Life" 91
Guided Writing 确认订单 99
Listening and Speaking 101
Unit Four 105
TEXT A：Explosion in the Night Sky 105
Grammar Review 省略句 119
TEXT B：Walking in Space 123
Guided Writing 装箱单／提货单 132
Listening and Speaking 136
Test 1 140
Test 2 155
Test 3 170
Test 4 185
Test 5 201
Test 6 218