CONTENTS 1
Part One the Blackroom 1
Lesson One 2
Lesson Two （1 9
Lesson Three 34
Part Two The Fifth Business 50
Lesson Four 51
Lesson Five 66
Lesson Six 77
Lesson Seven 88
Lesson Eight 101
Lesson Nine 117
Lesson Ten 128
Lesson Eleven 137
Lesson Twelve 152
Lesson Thirteen 166
Lesson Fourteen 183
Lesson Fifteen 195
Lesson Sixteen 207
Lesson Seventeen 219
Lesson Eighteen 234
Lesson Nineteen 246
Lesson Twenty 260
Lesson Twenty-one 273
Lesson Twenty-two 285
Lesson Twenty-three 295
Lesson Twenty-four 308
Lesson Twenty-five 326
Lesson Twenty-six 339
练习参考答案 355
课文参考译文 389
词汇表 523