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"Know RMB 1 Yuan and Below 1 Yuan" Yuanjiao PPT courseware
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"Understanding RMB 1 Yuan and Below" PPT Courseware for Yuanjiaofen
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"Far-reaching Science and Technology of the Song and Yuan Dynasties" "Pluralism and Integration" Pattern and High-level Development of Civilization PPT
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"Vaporization and Liquefaction" Temperature and Physical State Changes PPT Courseware
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"The Body of Plants" Plant Growth PPT Courseware 2
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"The Body of Plants" Plant Growth PPT Courseware 2
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"Organic Compounds in Diet" Simple Organic Compounds PPT (Lesson 4 Protein)
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"Know RMB 1 Yuan and Below 1 Yuan" Yuanjiao PPT courseware
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"The Pump that Transports Blood - Heart" Transport of Materials in the Human Body PPT Courseware 4
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"The Pump that Transports Blood - Heart" Transport of Materials in the Human Body PPT Courseware 5
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"The pump that transports blood - the heart" PPT courseware 2 on the transportation of substances in the human body
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"Far-reaching Science and Technology of the Song and Yuan Dynasties" "Pluralism and Integration" Pattern and High-level Development of Civilization PPT
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"The division and combination of 6 and 7" PPT courseware on division and combination
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"Commodity Sales and Linear Equation of One Yuan" Linear Equation of One Yuan PPT
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"The Pump that Transports Blood - Heart" Transport of Materials in the Human Body PPT Courseware 3
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"Genes on Chromosomes" PPT courseware on the relationship between genes and chromosomes
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