Unit 1
Part Ⅰ Text A:Key Points 1
Vocabulary 1
Phrases＆Expressions 2
Teaching Notes 2
Part Ⅱ Text B:Key Points 5
Vocabulary 6
Phrases＆Expressions 6
Teaching Notes 7
Part Ⅲ Keys to the Exercises 9
Unit 2
Part Ⅰ Text A:Key Points 13
Vocabulary 14
Phrases＆Expressions 16
Teaching Notes 16
Part Ⅱ Text B:Key Points 21
Vocabulary 21
Phrases＆Expressions 22
Teaching Notes 22
Part Ⅲ Keys to the Exercises 23
Unit 3
Part Ⅰ Text A:Key Points 28
Vocabulary 28
Phrases＆Expressions 29
Teaching Notes 30
Part Ⅱ Text B:Key Points 34
Vocabulary 34
Phrases＆Expressions 35
Teaching Notes 36
Part Ⅲ Keys to the Exercises 37
Unit 4
Part Ⅰ Text A:Key Points 43
Vocabulary 43
Phrases＆Expressions 45
Teaching Notes 45
Part Ⅱ Text B:Key Points 51
Vocabulary 51
Phrases＆Expressions 53
Teaching Notes 53
Part Ⅲ Keys to the Exercises 56
Unit 5
Part Ⅰ Text A:Key Points 60
Vocabulary 60
Phrases＆Expressions 61
Teaching Notes 62
Part Ⅱ Text B:Key Points 66
Vocabulary 66
Phrases＆Expressions 67
Teaching Notes 68
Part Ⅲ Keys to the Exercises 70
Unit 6
Part Ⅰ Text A:Key Points 74
Vocabulary 74
Phrases＆Expressions 77
Teaching Notes 77
Part Ⅱ Text B:Key Points 81
Vocabulary 82
Phrases＆Expressions 83
Teaching Notes 84
Part Ⅲ Keys to the Exercises 85
Unit 7
Part Ⅰ Text A:Key Points 89
Vocabulary 89
Phrases＆Expressions 92
Teaching Notes 92
Part Ⅱ Text B:Key Points 95
Vocabulary 96
Phrases＆Expressions 96
Teaching Notes 97
Part Ⅲ Keys to the Exercises 98
Unit 8
Part Ⅰ Text A:Key Points 102
Vocabulary 102
Phrases＆Expressions 106
Teaching Notes 106
Part Ⅱ Text B:Key Points 112
Vocabulary 113
Phrases＆Expressions 114
Teaching Notes 114
Part Ⅲ Keys to the Exercises 117
Unit 9
Part Ⅰ Text A:Key Points 121
Vocabulary 121
Phrases＆Expressions 123
Teaching Notes 123
Part Ⅱ Text B:Key Points 127
Vocabulary 127
Phrases＆Expressions 129
Teaching Notes 129
Part Ⅲ Keys to the Exercises 132
Unit 10
Part Ⅰ Text A:Key Points 136
Vocabulary 136
Phrases＆Expressions 141
Teaching Notes 143
Part Ⅱ Text B:Key Points 151
Vocabulary 152
Phrases＆Expressions 153
Teaching Notes 154
Part Ⅲ Keys to the Exercises 156
Unit 11
Part Ⅰ Text A:Key Points 160
Vocabulary 160
Phrases＆Expressions 162
Teaching Notes 163
Part Ⅱ Text B:Key Points 171
Vocabulary 172
Phrases＆Expressions 173
Teaching Notes 174
Part Ⅲ Keys to the Exercises 177
Unit 12
Part Ⅰ Text A:Key Points 182
Vocabulary 183
Phrases＆Expressions 186
Teaching Notes 186
Part Ⅱ Text B:Key Points 193
Vocabulary 194
Phrases＆Expressions 195
Teaching Notes 195
Part Ⅲ Keys to the Exercises 197