Unit 1 Smoking Habits 1
Listening Exercises 1
Conversation Practice 3
Reading Activity 4
Supplementary Reading 13
Unit 2 Lifestyles 20
Listening Exercises 20
Conversation Practice 22
Reading Activity 23
Supplementary Reading 31
Unit 3 Character 38
Listening Exercises 38
Conversation Practice 40
Reading Activity 41
Supplementary Reading 50
Unit 4 Family Life 56
Listening Exercises 56
Conversation Practice 58
Reading Activity 60
Supplementary Reading 68
Unit 5 Population 76
Listening Exercises 76
Conversation Practice 79
Reading Activity 80
Supplementary Reading 87
Unit 6 Human Needs 94
Listening Exercises 94
Conversation Practice 96
Reading Activity 97
Supplementary Reading 102
Unit 7 Inventions 109
Listening Exercises 109
Conversation Practice 111
Reading Activity 112
Supplementary Reading 118
Unit 8 Internet 126
Listening Exercises 126
Conversation Practice 128
Reading Activity 129
Supplementary Reading 136
Unit 9 Advertisements 144
Listening Exercises 144
Conversation Practice 146
Reading Activity 147
Supplementary Reading 155
Unit 10 Learning 162
Listening Exercises 162
Conversation Practice 164
Reading Activity 165
Supplementary Reading 174
词汇表 182