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"Vaporization and Liquefaction" State of Matter and Its Changes PPT Courseware 2
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"Reproduction and Development of Amphibians" PPT courseware
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"Fuel Utilization and Environmental Protection" Mechanical energy, internal energy and their conversion PPT courseware 3
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"Scientific and technological achievements and the prosperity of popular literature and art" Economic and cultural development and China on the eve of modern times PPT courseware 3
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"Scientific and technological achievements and the prosperity of popular literature and art" Economic and cultural development and China on the eve of modern times PPT courseware 2
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"The Great Historical Turning" PPT courseware on the construction and reform of New China
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"Diversity of Iron" PPT courseware on the properties and transformation of substances (Lesson 1 Ferrous Salts and Iron Salts)
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"Symmetry, Translation and Rotation" Graphic Movement PPT Courseware 2
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"The Relationship between Microorganisms and Humans" PPT courseware
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"Mr. Wen Yiduo's Saying and Doing" PPT courseware
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"Vaporization and Liquefaction" PPT courseware on changes in the state of matter (Lesson 2: Liquefaction)
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"Scientific and technological achievements and the prosperity of popular literature and art" Economic and cultural development and China on the eve of modern times PPT courseware 2
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"The Composition and Addition of 5" PPT courseware on understanding and addition and subtraction of numbers within 10
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"The right to life and health" The right to life and health is with me PPT courseware 5
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"Melting and Solidification" PPT courseware on changes in the state of matter
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"Differentiation of Cells" Cell Life Course PPT Courseware
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"Digestion of Food" Food in Life PPT Courseware 2
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"Changes of Water" PPT courseware on changes in matter
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"Melting and Solidification" Changes in the State of Matter PPT download
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"Scientific and technological achievements and the prosperity of popular literature and art" Economic and cultural development and China on the eve of modern times PPT courseware 3
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"Vaporization and Liquefaction" PPT courseware on changes in the state of matter (Vaporization in Lesson 1)
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"Changes of Water" PPT courseware on changes in matter
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"Modern Economy and Social Life" Modern Economy, Social Life and Culture PPT Courseware 3
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"Modern Economy and Social Life" Modern Economy, Social Life and Culture PPT Courseware 3
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"Modern Economy and Social Life" Modern Economy, Social Life and Culture PPT Courseware 2
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"Mass Media in Modern Society" Life Changes PPT
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"Mass Media in Modern Society" Life Changes PPT
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"Digestion of Food" Food in Life PPT Courseware 2
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"Growing Our Plants" Growth Changes of Plants PPT
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"Nutrition Substances in Food" Chemistry and Social Life PPT Courseware 4
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"The right to life and health" The right to life and health is with me PPT courseware 3
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"Success" PPT
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"The right to life and health" The right to life and health is with me PPT courseware 4
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"Modern Economy and Social Life" Modern Economy, Social Life and Culture PPT Courseware 3
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