Unit One 1
Lesson One 1
Lesson Two 2
Lesson Three 6
Unit Two 9
Lesson Four 9
Numbers 9
Lesson Five 11
Lesson Six 14
Unit Three 17
Lesson Seven 17
Lesson Eight 19
Lesson Nine 23
Unit Four 26
Unit Five 31
Lesson Ten 31
Lesson Eleven 36
Lesson Twelve 40
Unit Six 44
Lesson Thirteen 44
Lesson Fourteen 47
Lesson Fifteen 50
Unit Seven 53
Lesson Sixteen 53
Lesson Seventeen 56
Lesson Eighteen 58
Unit Eight 61
Lesson Nineteen 61
Lesson Twenty 64
Lesson Twenty-one 68
Unit Nine 72
Unit Ten 76
Lesson Twenty-two 76
Lesson Twenty-three 80
Lesson Twenty-four 83
Unit Eleven 85
Lesson Twenty-five 85
Lesson Twenty-six 88
Lesson Twenty-seven 91
Unit Twelve 94
Unit Thirteen 98
Lesson Twenty-eight 98
Lesson Twenty-nine 102
Lesson Thirty 105
Unit Fourteen 110
Lesson Thirty-one 110
Lesson Thirty-two 114
Lesson Thirty-three 117
Test Paper（A） 120
Test Paper（B） 125
自测题TSET（A） 129
自测题TEST（B） 135
自测题TEST（C） 139
自测题答案 144
Grammar 146
New Words and Expressions 159
Name List 169
Supplementary Readings 170