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【简答题】
兽药残留超标的主要原因有哪些？
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Doctors in Boston studied 1,000 children to______.
A.
examine whether these children were healthy
B.
find out who smoke
C.
find out the condition of children whose mother smoke
【简答题】These children were in a state of virtual ________.
【简答题】Many Korean children and children of other nationalities have been adopted by U.S. Americans. Generally these children were reared in homes where the parents were not of the nationality of the adopted...
【简答题】大豆发芽前几乎不含维生素C。（ ）
【多选题】劳动合同终止的的条件是( )
A.
当事人约定的终止条件出现
B.
经当事人协商达成一致
C.
劳动合同期限届满
D.
动合同订立时所依据的客观情况发生变化，致使原合同无法履行
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