Unit 1 1
芝麻开门 1
教材全解 2
Text A The Misery of Shyness 2
1．Bird view 2
Writing style 2
Summary 2
Translation 2
Answers 4
2．Knowledge and skills 6
Vocabulary 6
Sentences 10
Writing 12
Text B Two Ways of Looking at Life 12
1．Bird view 12
Translation 12
2．Knowledge and skills 14
Vocabulary 14
四级限时在线 18
万花筒 22
unit2 23
芝麻开门 23
教材全解 24
Text A Why the Todoise's Shell Is Not Smooth 24
1．Bird view 24
Writing style 24
Summary 24
Translation 24
Answers 26
2．Knowledge and skills 30
Vocabulary 30
Sentences 33
Writing 35
Text B Beauty and Beast 35
1．Birdview 35
Translation 35
2．Knowledge and skills 38
Vocabulary 38
四级限时在线 41
万花筒 45
Unit3 47
芝麻开门 47
教材全解 48
Text A Latchkey Children—Knock，Knock，Is Anybody Home？ 48
1．Bird view 48
Writing style 48
Summary 48
Translation 48
Answers 50
2．Knowledge and skills 51
Vocabulary 51
Sentences 55
Writing 57
Text B Thief 57
1．Bird view 57
Translation 57
2．Knowledge and skills 59
Vocabulary 59
四级限时在线 63
万花筒 66
Unit4 67
芝麻开门 67
教材全解 68
Text A Career Planning 68
1．Bird view 68
Writing style 68
Summary 68
Translation 68
Answers 70
2．Knowledge and skills 72
Vocabulary 72
Sentences 76
Writing 78
Text B Summer Job Planning 78
1．Bird view 78
Translation 78
2．Knowledge and skills 80
Vocabulary 80
四级限时在线 83
万花筒 86
Unit5 87
芝麻开门 87
教材全解 88
Text A How I Discovered Words 88
1．Bird view 88
Writing style 88
Summary 88
Translation 88
Answers 90
2．Knowledge and skills 92
Vocabulary 92
Sentences 97
Writing 98
Text B Foreign Accents 99
1．Bird view 99
Translation 99
2．Knowledge and skills 100
Vocabulary 100
四级限时在线 104
万花筒 107
Unit6 109
芝麻开门 109
教材全解 110
Text A Aggression in Humans and Animals 110
1．Bird view 110
Writing style 110
Summary 110
Translation 110
Answers 111
2．Knowledge and skills 113
Vocabulary 113
Sentences 117
Writing 119
Text B Animals on the Job 119
1．Bird view 119
Translation 119
2．Knowledge and skills 121
Vocabulary 121
四级限时在线 123
万花筒 126
Unit7 127
芝麻开门 127
教材全解 128
Text A Transformative Travel 128
1．Bird view 128
Writing style 128
Summary 128
Translation 128
Answers 130
2．Knowledge and skills 132
Vocabulary 132
Sentences 136
Writing 138
Text B The Romance of Train Travel 138
1．Bird view 138
Translation 138
2．Knowledge and skills 139
Vocabulary 139
四级限时在线 143
万花筒 146
Unit8 147
芝麻开门 147
教材全解 148
Text A Twins，Genes，and Environment 148
1．Bird view 148
Writing style 148
Summary 148
Translation 148
Answers 150
2．Knowledge and skills 151
Vocabulary 151
Sentences 156
Writing 157
Text B Science Looks Twice at Twins 158
1．Bird view 158
Translation 158
2．Knowledge and skills 160
Vocabulary 160
四级限时在线 162
万花筒 166
Unit9 167
芝麻开门 167
教材全解 168
Text A Music to Your Gears 168
1．Bird view 168
Writing style 168
Summary 168
Translation 168
Answers 170
2．Knowledge and skills 172
Vocabulary 172
Sentences 176
Writing 177
Text B Songs of Love 178
1．Bird view 178
Translation 178
2．Knowledge and skills 179
Vocabulary 179
四级限时在线 183
万花筒 186
Unit10 187
芝麻开门 187
教材全解 188
Text A A Diary ofthe Century 188
1．Bird view 188
Writing style 188
Summary 188
Translation 188
Answers 190
2．Knowledge and skills 192
Vocabulary 192
Sentences 196
Writing 198
Text B Let the Questions In 198
1．Bird view 198
Translation 198
2．Knowledge and skills 200
Vocabulary 200
四级限时在线 204
万花筒 208