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【Daily Question】Hydropower Engineering - 20200503

2020-05-03View Original

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Multiple choice: To accelerate the restoration of lakes whose ecological condition has deteriorated, it is necessary to adopt comprehensive measures such as ( ), to speed up the conversion of farmland back into lakes and wetlands, as well as the withdrawal of fishing activities from these areas, in order to restore the natural connectivity of water systems and gradually improve the water quality of the lakes. A. Pollutant interception and source control B. Sediment removal C. Biological purification D. Ecological isolation Answer: ABCD

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