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【简答题】
称取混合碱2．2560g，溶解后转入250mL容量瓶中。移取此试液25．00mL两份：1份以酚酞为指示剂，用0．1000mol.L-1HCl滴定耗去30．00mL；另1份以甲基橙作指示剂耗去HCl 35．00mL，问混合碱的组成是什么?含量各为多少?
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【单选题】早期肝癌(小肝癌)的诊断标准是 ( )
A.
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B.
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