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"Reaction of Acid and Base" Common Acids, Bases and Salts PPT Courseware 3
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2023-09-25 18:38:28
"Common Acids and Bases" Common Acids, Bases and Salts PPT Courseware 4
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2023-09-25 18:38:28
"Acidity and Alkalinity of Solutions" Common Acids, Alkalis, and Salts PPT Courseware 2
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2023-09-25 18:38:28
"Mutation of Biology" PPT courseware on the inheritance and variation of biology
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2023-09-25 18:28:01
"Causes of Biological Evolution" Biological Evolution PPT Courseware 5
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2023-09-25 18:27:57
"Germination of Seeds" Life of Angiosperms PPT Courseware 3
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2023-09-25 18:27:38
"The Growth of Plants" Life of Angiosperms PPT Courseware 4
下载 113 次
2023-09-25 18:27:37
"The Circle Structure of the Earth" The Earth in the Universe PPT download
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2023-09-25 18:24:40
"Measuring the Temperature of Water" Changes in Temperature and Water PPT Courseware
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"Structure of Atom" The Mystery of Material Composition PPT Courseware 5
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2023-09-25 18:21:10
"Intangible Property" The right to own property PPT courseware 5
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2023-09-25 18:18:28
"Intangible Property" The right to own property PPT courseware 6
下载 708 次
2023-09-25 18:18:27
"My Family" My Family and Partners PPT Courseware 2
下载 354 次
2023-09-25 18:17:26
"Different You, Me and Him" PPT courseware for me and my companions
下载 103 次
2023-09-25 18:16:52
"Animals that grew up on milk" A variety of animal PPT courseware 2
下载 935 次
2023-09-25 18:16:02
"Flying Elf" Various Animal PPT Courseware 3
下载 639 次
2023-09-25 18:16:01
"The Propagation of Sound" Various Sound PPT Courseware 3
下载 677 次
2023-09-25 18:15:51
"The Propagation of Sound" Various Sound PPT Courseware 2
下载 514 次
2023-09-25 18:15:51
"The Propagation of Sound" Various Sound PPT Courseware 4
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2023-09-25 18:15:51
"Changes in Day and Night Temperature" A Day on Earth PPT Courseware
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2023-09-25 18:15:46
"Elevated Riverbed" Changes in Ground Form PPT Courseware 2
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2023-09-25 18:15:45
"Chasing the Footprints of the Wind" What will the weather be like tomorrow PPT courseware
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"Various Plants" Biological Diversity PPT Courseware
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"The Journey of Food in the Body" Our Body PPT Courseware
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2023-09-25 18:14:30
"Changes of Food in the Mouth" Our Body PPT Courseware
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"Growth Changes of Silkworms" Animal Life Cycle PPT Courseware
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"Growth and Changes of Silkworms" Animal Life Cycle PPT Download
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"Properties of Decimals" PPT courseware on the meaning and properties of decimals
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"Counting, Combinations of Numbers" PPT courseware on understanding numbers within 100
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2023-09-25 18:01:10
"The Birth of New China" The Victory of the Chinese Revolution PPT courseware
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"The Humiliation That Cannot Be Forgotten" The Unyielding Chinese PPT Courseware
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2023-09-25 17:33:05
"The increasingly prosperous motherland" The taking-off motherland PPT courseware 2
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"Happy Children's Day" Happy Young Pioneers PPT Courseware 2
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2023-09-25 17:33:01
"The Deliverer of Love" our public life PPT courseware
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"Understanding Our Earth" Blue Earth PPT Courseware 2
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"Classification of Materials Around Us" Materials Around Us PPT
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"Controlling the Speed of Iron Rusting" Changes in Matter PPT Download
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2023-09-25 17:31:46
"The Propagation of Sound" Various Sound PPT Courseware 3
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2023-09-20 15:15:09
"Addition and subtraction of 8 and 9" PPT on understanding and addition and subtraction of 6-10
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"The Internal Structure of the Earth" The Unquiet Earth PPT Courseware
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"Electricity and Our Life" Inseparable Electricity PPT Courseware 2
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"Area of Trapezoid" Area of Polygon PPT courseware download
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"Multiplying Powers with the Same Base" Operations of Integers PPT Courseware 2
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"Understanding Our Earth" Blue Earth PPT Courseware 2
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"Application of Density" Materials Around Us PPT Courseware 3
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"Relationship between Gene Expression and Traits" Gene Expression PPT
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"Various Plants" Biological Diversity PPT Courseware
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"Simple addition and subtraction of decimals" Preliminary understanding of decimals PPT
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2023-10-05 09:41:28
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