变化中的英语导学PDF电子书下载

Unit 1 1

Section 1 Learning Guide 1

Section 2 Assessment 16

Key to Assessment 23

Unit 2 24

Section 1 Learning Guide 24

Section 2 Assessment 39

Key to Assessment 48

Unit 3 50

Section 1 Learning Guide 50

Section 2 Assessment 64

Key to Assessment 72

Unit 4 74

Section 1 Learning Guide 74

Section 2 Assessment 89

Key to Assessment 97

Unit 5 99

Section 1 Learning Guide 99

Section 2 Assessment 115

Key to Assessment 122

Unit 6 124

Section 1 Learning Guide 124

Section 2 Assessment 141

Key to Assessment 148

Unit 7 150

Section 1 Learning Guide 150

Section 2 Assessment 167

Key to Assessment 175

Unit 8 177

Section 1 Learning Guide 177

Section 2 Assessment 193

Key to Assessment 201

Bibliography 202