摘要：5．It was not until fish that the villagers realized the importance of protecting the river. A．died away B．died off C．died from D．died out 答案与解析:D die out“灭绝 符合题意.die away 相当于die down.意为“渐渐消失,停下来 .其主语通常是风.声音等,die off“相继死去 ,die from “死于 事故等外因.与题意不符.

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