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教程列表：

五年级下Unit1 We love Nature Lesson1 Planting trees

五年级下Unit1 We love Nature Lesson2 Why Do You Love Zebra

五年级下Unit1 We love Nature Lesson3 Where Do they live

五年级下Unit1 We love Nature Self assessment

五年级下Unit2 Four Seasons Lesson4 Seasons and clothes

五年级下Unit2 Four Seasons Lesson5 Seasons and time

五年级下Unit2 Four Seasons Lesson6 Seasons and culture

五年级下Unit2 Four Seasons Self assessment

五年级下Unit3 A Birthday Party Lesson7 An invitation

五年级下Unit3 A Birthday Party Lesson8 buying a present

五年级下Unit3 A Birthday Party Lesson9 a birthday party

五年级下Unit3 A Birthday party self assessment