第一学期 1
Lesson One 1
Lesson Two 12
Lesson Three 23
Lesson Four 32
Lesson Five 42
Lesson Six 49
期中试卷 50
Lesson Seven 64
Lesson Eight 74
Lesson Nine 84
Lesson Ten 94
Lesson Eleven 102
Lesson Twelve 111
Lesson Thirteen 118
期末试卷 119
第二学期 132
Lesson One 132
Lesson Two 149
Lesson Three 161
Lesson Four 176
Lesson Five 189
Lesson Six 201
期中试卷 212
Lesson Seven 222
Lesson Eight 237
Lesson Nine 249
Lesson Ten 262
Lesson Eleven 274
Lesson Twelve 286
期末试卷 298
参考答案 310
第一学期 310
第二学期 330