题目内容
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[主观题]
Which of the following is a reason why fire ants are considered pests? [ A] They may cause
possible mechanical breakdowns to mowing equipment. [ B ] A person has a 60% chance to be stung by fire ants every year. [ C]1% of the fire ants will cause allergic reactions to the people stung. [ D ] They will disrupt the food chain by killing off other ants and larger animals.
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