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Unit 1 Art and artists (p. 2)
Unit 2 Great inventions and discoveries (p. 18)
Unit 3 Money (p. 34)
Unit 4 Fashion (p. 50)
Unit 5 Natural disasters (p. 66)
Unit 6 Friendship (p. 82)
关注公众号，免费领取中小学各科电子课本、学习资料。
点击弹出公众号二维码
Unit 1 Art and artists (p. 2)
Unit 2 Great inventions and discoveries (p. 18)
Unit 3 Money (p. 34)
Unit 4 Fashion (p. 50)
Unit 5 Natural disasters (p. 66)
Unit 6 Friendship (p. 82)
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