【Daily Question】Hydropower Engineering - 20200508
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Multiple choice: To further advance the prevention and control of water and soil pollution, it is necessary to achieve a 2% reduction in （ ）. Implement comprehensive management of key river basins and sea areas, and carry out thorough remediation of polluted and odorous water bodies. Increase investment in the construction of sewage treatment facilities and improve pricing policies. A. Chemical oxygen demand B. Potassium permanganate index C. Ammonia nitrogen emissions D. pH value Answer: AC
Advance the prevention and control of water and soil pollution, achieving a 2% reduction in (A, chemical oxygen demand; C, ammonia nitrogen emissions). Implement comprehensive management of key river basins and sea areas, and carry out thorough remediation of polluted and odorous water bodies. Increase investment in the construction of sewage treatment facilities and improve pricing policies.