英语 第4册 第2版PDF电子书下载

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