CONTENTS 1
LESSON 1 PORTRAIT OF A TEACHER 1
Background Material 1
Additional Notes to the Text 3
Word Study 13
Additional Exercises 20
Reading Material 21
LESSON 2 INFINITY AND INFINITESIMAL 24
Background Material 24
Additional Notes to the Text 24
Word Study 33
Additional Exercises 38
Reading Material 39
LESSON 3 ALL THESE THINGS ARE TO BE ANSWERED FOR 42
Background Material 42
Additional Notes to the Text 45
Word Study 52
Additional Exercises 59
Reading Material 61
LESSON 4 ALL THESE THINGS ARE TO BE ANSWERED FOR(Continued) 64
Background Material 64
Additional Notes to the Text 65
Word Study 70
Additional Exercises 75
Reading Material 76
Background Material 79
LESSON 5 WINTER SLEEP 79
Additional Notes to the Text 80
Word Study 87
Additional Exercises 93
Reading Material 96
LESSON 6 ALBERT EINSTEIN 98
Background Material 98
Additional Notes to the Text 100
Word Study 106
Additional Exercises 112
Reading Material 113
LESSON 7 ALBERT EINSTEIN(Continued) 115
Background Material 115
Additional Notes to the Text 117
Word Study 121
Additional Exercises 126
Reading Material 128
LESSON 8 SPORTS AND GAMES 131
Background Material 131
Additional Notes to the Text 131
Word Study 136
Additional Exercises 141
Reading Material 143
LESSON 9 THE LAST LESSON 145
Background Material 145
Additional Notes to the Text 147
Word Study 157
Additional Exercises 164
Reading Material 165
LESSON 10 THE LAST LESSON(Continued) 169
Background Material 169
Additional Notes to the Text 169
Word Study 180
Additional Exercises 186
Reading Material 187
LESSON 11 A TREE——A FACTORY 191
Background Material 191
Additional Notes to the Text 192
Word Study 198
Additional Exercises 204
Reading Material 206
LESSON 12 MADAME CURIE AND RADIUM 208
Background Material 208
Additional Notes to the Text 210
Word Study 217
Additional Exercises 222
Reading Material 224
LESSON 13 THE GIFTS 228
Background Material 228
Addtional Notes to the Text 230
Word Study 239
Additional Exercises 244
Reading Material 246
LESSON 14 THE GIFTS(Continued) 249
Background Material 249
Additional Notes to the Text 250
Word Study 257
Additional Exercises 261
Reading Material 263
NOTES TO THE SUPPLEMENTARY READINGS 266
THE LAST LEAF 266
ROBIN HOOD AND HIS MERRY MEN 273
THE IMPORTANCE OF ENGLISH 279
HOW THE BODY CELLS LIVE 284
第一课 一位教师的写照 291
课文参考译文 291
第二课 无穷大和无穷小 293
第三课 所有这一切都是要偿还的 295
第四课 所有这一切都是要偿还的（续） 297
第五课 冬眠 298
第六课 阿尔伯特·爱因斯坦 300
第七课 阿尔伯特·爱因斯坦（续） 301
第八课 体育运动 303
第九课 最后一课 304
第十课 最后一课（续） 306
第十一课 一棵树就是一座工厂 307
第十二课 居里夫人和镭 309
第十三课 礼物 311
第十四课 礼物（续） 313