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"Developing a plan to protect the ecological environment" The impact of human activities on the biosphere PPT courseware 3
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2023-09-25 17:36:03
"Developing a plan to protect the ecological environment" The impact of human activities on the biosphere PPT courseware 5
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"The Effect of the Nature and Movement of Seawater on Human Activities" Physical Geographic Elements and Phenomenon PPT
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"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 3
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"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 4
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"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 5
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"Developing a plan to protect the ecological environment" The impact of human activities on the biosphere PPT courseware 5
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"Building a Community with a Shared Future for Mankind" Our Common World PPT (Seeking Mutual Benefit and Win-Win in Lesson 2)
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"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 5
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2023-09-20 15:15:22
"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 2
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2023-10-05 09:42:45
"Representatives of Early Humans in China—Peking Man" PPT courseware on prehistoric times in China
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"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 5
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"Representatives of Early Humans in China - Peking Man" PPT courseware on prehistoric times in China
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"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 3
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"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 2
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"Exploring the Impact of Environmental Pollution on Biology" The Impact of Human Activities on the Biosphere PPT Courseware 4
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"Building a Community with a Shared Future for Mankind" Our Common World PPT (Lesson 1 promotes peace and development)
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"Representatives of Early Humans in the Land of China-Peking Man" PPT Courseware of Prehistoric Era in the Land of China 3
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"Representatives of Early Humans in China—Peking Man" Prehistoric Era in China PPT Courseware 2
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"Representatives of Early Humans in China - Peking Man" Prehistoric Era in China PPT Courseware 2
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"Representatives of Early Humans in China—Peking Man" Prehistoric Era in China PPT Courseware 3
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"Ethanol and Acetic Acid" Organic Compounds PPT Courseware (Classification of Functional Groups and Organic Compounds in Lesson 3)
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"Classification of Elements and Matter" Elements and the Material World PPT (an important mixture in Lesson 2 - colloid)
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"Building a Community with a Shared Future for Mankind" Our Common World PPT Courseware (Lesson 1: Promoting Peace and Development)
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"The Effect of Seawater Nature and Movement on Human Activities" Physical Geographic Elements and Phenomenon PPT (Second Lesson)
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"Classification of Elements and Matter" PPT courseware of elements and the world of matter (an important mixture in Lesson 2 - colloid)
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2023-09-25 17:34:04
"Classification of Elements and Matter" PPT courseware of elements and the world of matter (an important mixture in Lesson 2 - colloid)
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2023-09-25 17:34:04
"Nitrogen Cycle" Nature and Transformation of Matter PPT (Lesson 3: The Impact of Nitric Acid Human Activities on the Nitrogen Cycle and the Environment)
下载 612 次
2023-09-25 17:34:00
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