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题目来源：
OG3 阅读 Q45
正确答案：D
题目详解
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Choice D is the best answer. The authors explain that when beekeepers use commercially produced insecticides to fight mite infections, they may "further weaken" bees that are "immunocompromised or nutritionally defi-cient" (lines 31-35"In...proper").Choices A, B, and C are incorrect because the authors do not suggest that beekeepers' use of commercially produced insecticides increases mite popu-lations, kills bacteria, or destroys bees' primary food source.
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