2. 外语
  3. It’s difficult to imagine the sea ever running out of fish. It’s so vast, so deep, so【B1】______. Unfortunately, it’s not bottoml

It’s difficult to imagine the sea ever running out of fish. It’s so vast, so deep, so【B1】______. Unfortunately, it’s not bottoml

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问题     It’s difficult to imagine the sea ever running out of fish. It’s so vast, so deep, so【B1】______. Unfortunately, it’s not bottomless. Over fishing,【B2】______with destructive fishing practices, is killing off the fish and【B3】______their environment.
    Destroy the fish, and you destroy the fishermen’s means of living. At least 60【B4】______of the world’s commercially important fish【B5】______are already over-fished, or fished to the limit. As a result, governments have had to close down some areas of sea to【B6】______fishing.
    Big, high-tech fleets【B7】______that everything in their path is pulled out of the water. Anything too small, or the wrong thing, is thrown back either dead or dying. That’s an【B8】______of more than 20 million metric tons every year.
    When you consider that equals a quarter of the world catch, you begin to see the size of the problem.【B9】______.
    In some parts of the world, for every kilogram of prawns caught, up to 15 kilograms of unsuspecting fish and other marine wildlife die, simply for being in the wrong place at the wrong time.
    True,【B10】______before every ocean becomes a dead sea.
    【B11】______then catch them in a way that doesn’t kill other innocent sea life.
【B1】
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答案mysterious
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