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【单选题】
蛋鸡产蛋期禁止使用的药物添加剂不包括
A.
杆菌肽锌预混剂
B.
地克珠利预混剂
C.
吉他霉素预混剂
D.
盐酸林可霉素预混剂
E.
硫酸新霉素预混剂
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】关于使用总账系统制单，下列描述中正确的有（ ）。
A.
可查看任意科目的最新余额
B.
可控制操作员使用科目的权限
C.
凭证可按任意格式的文本文件引入和引出
D.
不能修改和删除其他子系统生成的凭证
【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.