Ever-worsening【B1】______ in China’ s coastal waters will hinder【B2】______ of marine resources, warns an article in Outlook Weekl

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问题     Ever-worsening【B1】______ in China’ s coastal waters will hinder【B2】______ of marine resources, warns an article in Outlook Weekly. China has an l8,000-kilometer【B3】______ ,more than 6,500【B4】______  and nearly 3 million square kilometers of "blue territory." A large portion of the abundant marine【B5】______ has yet to be【B6】______ . China’ s【B7】______ marine output【B8】______ for less than 2 percent of the world’ s marine output.
    China, however,【B9】__________________________________ The area of unclean sea waters in China【B10】__________________________________ , the State Oceanic Administration reported.
   【B11】__________________________________  
【B9】

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答案has one of the world’s most deteriorated marine ecosystems,which restricts development of marine industries

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