Portal Lessons

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A Study by an Ecology Group on Light Pollution in Tehran Persian 3+/4 Reading Ecology/Geography
Cleaning Abadan's Air With 46 Billion Tuman Persian 3+/4 Reading Ecology/Geography
Earth Has Reached Its Highest Temperature of the Past 2000... Persian 3+/4 Reading Ecology/Geography
Finding Water on Mars Persian 3+/4 Listening Ecology/Geography
Beginning With the Topic: Benzene Pollution in the Songhua... Chinese, Mandarin (Traditional) 3+/4 Listening Ecology/Geography
The Qinghai-Tibet Railway Will Soon Be Completed: Tibetans... Chinese, Mandarin (Traditional) 3+/4 Listening Ecology/Geography
High-Level Environmental Officials in China Publicly Admit... Chinese, Mandarin (Traditional) 3+/4 Listening Ecology/Geography
A Birds-Eye View of Taiwan Chinese, Mandarin (Traditional) 3+/4 Listening Ecology/Geography
New Suggestion on Energy and Environment Chinese, Mandarin (Traditional) 3+/4 Listening Ecology/Geography
Taiwan's Election Chinese, Mandarin (Traditional) 3+/4 Listening Ecology/Geography

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