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Gaokao Biology Practice Question

某种植物病毒 $V$ 是通过稻飞虱吸食水稻汁液在水稻间传播的, 稻田 中青蛙数量的增加可减少该病毒在水稻间的传播。下列叙述正确的是

  1. A.青蛙与稻飞虱是捕食关系
  2. B.水稻和青蛙是竞争关系
  3. C.病毒 V 与青蛙是寄生关系
  4. D.水稻和病毒 $V$ 是互利共生关系

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