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【单选题】
饲料分为八大类,分别是 ( )、青绿饲料、青贮饲料、能量饲料、( )、矿物质饲料、维生素饲料、添加剂饲料。
A.
蛋白质饲料;粗饲料
B.
粗饲料;蛋白质饲料
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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.