问答题

棉仁饼粕因含（）而有毒，在（）、（）日粮中应少用或禁用。

答案：游离棉酚、种畜、种禽

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单项选择题

Sometime the Freight forwader will provide the service in his own name and issue B/L.To the consignor,the forwader is the ( ),while in his ralationship with the actual carrier, he is the consignor.
A、agent
B、carrier
C、consignor
D、consignee