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装载课本点读资源
目录
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Chapter 1
第1页
Knowing our friends
Chapter 2
第9页
More about our friends
Chapter 3
第17页
When our grandparents were young
Chapter 4
第25页
Five hundred years ago
Chapter 5
第33页
Animals big and small
Chapter 6
第41页
Wonderful places
Chapter 7
第49页
Ricky learns a lesson