Unit 1
Lesson 1 Blue Monday 1
Lesson 2 If I were a boy again 7
Lesson 3 The Key to Happiness 14
Unit 2
Lesson 4 Black Tulips（Ⅰ） 19
Lesson 5 Black Tulips（Ⅱ） 27
Lesson 6 The Means to Keep happiness 34
Unit 3
Lesson 7 The wedding vows 39
Lesson 8 Chinese Americans（Ⅰ） 45
Lesson 9 Chinese Americans（Ⅱ） 52
Unit 4
Lesson 10 Honolulu（U.S．） 59
Lesson 11 Boston（U.S．） 68
Lesson 12 Phoenix（U.S．） 77
Unit 5
Lesson 13 Symbols of Halloween 85
Lesson 14 The History of the Christmas Tree 92
Lesson 15 The Golden Gate Bridge 96
Unit 6
Lesson 16 Persian Warriors Defeat 101
Lesson 17 Persepolis Goes up in Flames 105
Lesson 18 Jordan Retirement 109
Unit 7
Lesson 19 The War between Britain and France 116
Lesson 20 Niagara Falls 127
Vocabulary 134