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【单选题】
有机磷杀虫剂中唯一可用于泌乳奶牛的杀虫剂，用于防治牛皮蝇蛆、蜱、螨、虱和蝇等外寄生虫病的是（）
A.
甲基盐霉素
B.
蝇毒磷
C.
双甲脒
D.
环丙氨嗪
E.
非波罗尼
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food．Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...
A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.