交际英语PDF电子书下载

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Lesson One 1

Lesson Two 7

Lesson Three 13

Lesson Four 19

Lesson Five 25

Lesson Six 31

Lesson Seven 37

Lesson Eight 43

Lesson Nine 49

Lesson Ten 57

Lesson Eleven 64

Lesson Twelve 74

Lesson Thirteen 84

Lesson Fourteen 93

Lesson Fifteen 102

Lesson Sixteen 111

Lesson Seventeen 119

Lesson Eighteen 127

Lesson Nineteen 139

Lesson Twenty 150

Lesson Twenty-One 159

Lesson Twenty-Two 168

Lesson Twenty-Three 178

Lesson Twenty-Four 187

Lesson Twenty-Five 197

Lesson Twenty-Six 207

Lesson Twenty-Seven 216

Lesson Twenty-Eight 225

Lesson Twenty-Nine 234

Lesson Thirty 243

Lesson Thirty-One 252

Lesson Thirty-Two 262

Lesson Thirty-Three 273

Lesson Thirty-Four 285

Lesson Thirty-Five 301

Lesson Thirty-Six 313

Lesson Thirty-Seven 323

Lesson Thirty-Eight 335

Lesson Thirty-Nine 347

Lesson Forty 360

附录一 语音基本知识 373

附录二 课文、会话参考译文 387

附录三 练习答案 416

附录四 456

Ⅰ、常用词汇 456

Ⅱ、本书出现的动词 468

Ⅲ、日常简易用语 473

附录五 常用不规则动词表 483

附录六 听、说、读材料 489

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