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"Causes of Biological Evolution" Biological Evolution PPT Courseware 4
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2023-10-05 09:34:59
"Causes of Biological Evolution" Biological Evolution PPT Courseware 3
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2023-10-05 09:34:59
"The Process of Biological Evolution" Biological Evolution PPT Courseware 5
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2023-10-05 09:34:59
"Measuring the Temperature of Water" Changes in Temperature and Water PPT Courseware
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2023-10-05 09:34:23
"Digestion of Food and Absorption of Nutrients" PPT download
下载 447 次
2023-10-05 09:33:32
"The Mass of Objects" Materials Around Us PPT Courseware 3
下载 201 次
2023-10-05 09:28:46
"The Spherical Structure of the Earth" Earth in the Universe PPT courseware
下载 83 次
2023-10-05 09:23:43
"Germination of Seeds" Life of Angiosperms PPT Courseware 5
下载 827 次
2023-09-25 18:28:48
"The Process of Biological Evolution" Biological Evolution PPT Courseware 2
下载 262 次
2023-09-25 18:27:59
"The Origin and Development of Humanity" The Origin of Man PPT Courseware 3
下载 753 次
2023-09-25 18:27:55
"Germination of Seeds" Life of Angiosperms PPT Courseware 6
下载 900 次
2023-09-25 18:27:38
"The Rule of the Beiyang Warlords" The Start of Modernization PPT Courseware
下载 214 次
2023-09-25 18:26:51
"Renaissance and Union of Western Europe" The World During the Cold War PPT
下载 554 次
2023-09-25 18:26:42
"The Great Crisis of the 1930s" opens up a new development path PPT
下载 243 次
2023-09-25 18:26:37
"The Formation of Humanity" The Beginning of Human Civilization PPT Courseware 3
下载 293 次
2023-09-25 18:26:10
"The Cosmic Environment of the Earth" The Earth in the Universe PPT
下载 257 次
2023-09-25 18:24:42
"Earth's Cosmic Environment" Earth in the Universe PPT download
下载 257 次
2023-09-25 18:24:39
"Particles constituting matter" The composition of matter PPT courseware 2
下载 910 次
2023-09-25 18:21:19
"Common Acids and Bases" Common Acids, Bases and Salts PPT Courseware 3
下载 268 次
2023-09-25 18:21:17
"Common Acids and Bases" Common Acids, Bases and Salts PPT Courseware 5
下载 389 次
2023-09-25 18:21:17
"Structure of Atom" The Mystery of Material Composition PPT Courseware 4
下载 186 次
2023-09-25 18:21:10
"Studying the Pressure of Liquids" Magical Pressure PPT Courseware 2
下载 595 次
2023-09-25 18:20:55
"Conversion and Conservation of Energy" Utilization of Internal Energy PPT Courseware
下载 86 次
2023-09-25 18:19:52
"Citizen's Obligations" Our Obligations PPT Courseware 3
下载 457 次
2023-09-25 18:18:34
"Citizen's Obligations" Our Obligations PPT Courseware 5
下载 675 次
2023-09-25 18:18:34
"Citizen's Obligations" Our Obligations PPT Courseware 6
下载 526 次
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"Intangible Property" The right to own property PPT courseware 2
下载 587 次
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"Intangible Property" The right to own property PPT courseware 5
下载 52 次
2023-09-25 18:18:28
"When Disaster Strikes" Human Home PPT Courseware
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2023-09-25 18:17:54
"Love from Society" Under the Sunshine of Love PPT Courseware 3
下载 993 次
2023-09-25 18:17:36
"Different You, Me and Him" PPT download of me and my companions
下载 464 次
2023-09-25 18:16:52
"The Mystery of Roots and Paths" PPT courseware on the secrets of plant life
下载 239 次
2023-09-25 18:16:02
"Color, Smell and Flavor of Food" Food in Life PPT Courseware 2
下载 449 次
2023-09-25 18:15:31
"The Journey of Food in the Body" Our Body PPT Courseware
下载 179 次
2023-09-25 18:14:30
"Three State Changes of Water" PPT download of changes in temperature and water
下载 854 次
2023-09-25 18:14:14
"Addition of three-digit numbers" Addition and subtraction of three-digit numbers PPT courseware
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2023-09-25 18:06:06
"Preliminary understanding of right angles" Preliminary understanding of angles PPT courseware
下载 825 次
2023-09-25 18:04:17
"The Meaning of Fractions" PPT courseware on the meaning and properties of fractions
下载 551 次
2023-09-25 18:01:33
"Cell Aging and Death" Cell Life Process PPT
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2023-09-25 17:35:54
"The Mass of Objects" Materials Around Us PPT Courseware 3
下载 464 次
2023-09-25 17:33:50
"The increasingly prosperous motherland" The taking-off motherland PPT courseware 2
下载 152 次
2023-09-25 17:33:04
"The increasingly prosperous motherland" The taking-off motherland PPT courseware 3
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"Happy Children's Day" Happy Young Pioneers PPT Courseware 3
下载 220 次
2023-09-25 17:33:01
"Magnetic Force of Electromagnets" Magical Electromagnet PPT Courseware 2
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2023-09-25 17:32:08
"Beautiful Moon" accompanies our sun and moon PPT courseware
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2023-09-25 17:32:07
"We We Have Different Appearances" Biological Diversity PPT Download
下载 85 次
2023-09-25 17:31:56
"The Journey of Food in the Body" Our Body PPT Download
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2023-09-25 17:31:52
"Changes of rice, starch and iodine" PPT on changes in substances
下载 879 次
2023-09-25 17:31:47
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