英语课本 第1册PDF电子书下载

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Lesson One 1

Lesson Two 5

Lesson Three 11

Lesson Four 17

Lesson Five 23

Lesson Six 28

Lesson Seven 38

Lesson Eight 47

Lesson Nine 56

Lesson Ten 68

Lesson Eleven 80

Lesson Twelve 89

Lesson Thirteen 101

Lesson Fourteen 109

Lesson Fifteen 123

Lesson Sixteen 135

Lesson Seventeen 144

Lesson Eighteen 159

Lesson Nineteen 172

Lesson Twenty 181

课堂用语 190

不规则动词表 197

总词汇表 199

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