CONTENTS 1
Part Ⅰ 1
Unit 1 Text A 3
Unit 1 Text B 11
Unit 2 Text A 14
Unit 2 Text B 24
Unit 3 Text A 27
Unit 3 Text B 35
Unit 4 Text A 38
Unit 4 Text B 47
Unit 5 Text A 50
Unit 5 Text B 58
Unit 6 Text A 61
Unit 6 Text B 70
Unit 7 Text A 73
Unit 7 Text B 80
Unit 8 Text A 83
Unit 8 Text B 90
Unit 9 Text A 93
Unit 9 Text B 101
Unit 10 Text A 103
Unit 10 Text B 110
Part Ⅱ 113
Unit 1 Text A 115
Unit 1 Text B 125
Unit 2 Text A 127
Unit 2 Text B 137
Unit 3 Text A 141
Unit 3 Text B 151
Unit 4 Text A 155
Unit 4 Text B 163
Unit 5 Text A 167
Unit 5 Text B 175
Unit 6 Text A 179
Unit 6 Text B 189
Unit 7 Text A 193
Unit 7 Text B 201
Unit 8 Text A 205
Unit 8 Text B 213
Unit 9 Text A 217
Unit 9 Text B 225
Unit 10 Text A 229
Unit 10 Text B 237