Lesson one Portrait of a Teacher 1
Lesson Two The Tallest Grass 11
Lesson Three All These Things Are to be Answered For 19
Lesson Four All These Things Are to be Answered For 29
（Continued） 36
第一单元 自测题 36
Lesson Five Winter Sleep 39
Lesson Six Albert Einstein 48
Lesson Seven Albert Einstein （Continued） 58
Lesson Eight The Professor and His Invention 67
第二单元 自测题 76
Lesson Nine Sports and Games 79
Lesson Ten The Last Lesson 88
Lesson Eleven The Last Lesson （Contitnued） 96
Lesson Twelve Walking in Space 104
第三单元 自测题 113
Lesson Thirteen Madame Curie and Radium 115
Lesson Fourteen The Gifts 126
Lesson Fifleen The Gifts（Continued） 136
Lesson Sixteen Adventure on Highway 66 146
第四单元 自测题 154
附录：思考题和自测题答案 158