Task 1:About air pollutionName: Air Protection SocietyTask 2:Question we are interested in:(1) How many kinds of air pollution are there?Aerosol(气溶胶) polluton like PM2.5 and some gas pollotion mainly including nitrogen, sulfur and carbon. (2) What are the main reason of air pollution? Are the...
国庆英语 Final Project of Unit 3 (Task 1 and 2)
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