英语 新世纪版 一课一练 九年级 第二学期PDF电子书下载

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1 Volunteering Is Great! 1

Unit Two Values 1

2 George Washington and the Cherry Tree 9

Unit Three Changes in Life 17

1 My Task Is to Report the Changes in Education 17

2 Future Life 27

1 Lesson One 36

General Revision 36

2 Lesson Two 47

3 Lesson Three 58

4 Lesson Five 68

5 Lesson Five 77

6　Lesson Six 88

Script and Key 99

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