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【单选题】
GB1103-2007《棉花细绒棉》规定，逐包检验抽样时，采用（）。
A.
在每个棉包两侧面中部切割样品，将两个切割样品：一个作为检验用样品，剩余一个作为备用样品。
B.
在每个棉包两侧面中部切割样品，将每个切割样品按层平均分成两半，其中一个切割样品中对应棉包外侧的一半和另一个切割样品中对应棉包内侧的一半合并形成一个检验样品，剩余的两半合并形成备用样品。
C.
在每个棉包两侧面中部切割样品，将两个切割样品混合均匀，取其中一半作为检验用样品，另一半作为备用样品。
D.
采用单面取样，将切割样品按层平均分成两半，其中一半作为检验用样品，剩余的一半作为备用样品。
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