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【Daily Question】Hydropower Engineering - 20200219

2020-02-19View Original

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This post was last edited by hesonchang214 on 2020-2-19 at 11:34. Multiple selection: Strengthen the prevention and protection of important water source conservation areas, river sources, and ecological protection areas; employ a range of measures such as ( ) to carry out the restoration of ecologically fragile rivers and lakes.    A. Water diversion and drainage B. Sewage interception and treatment C. Dredging of rivers and lakes D. Biological control Answer: ABCD

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