浓度为0.10 mol/LNH4Cl (pKB=4.74)溶液的pH是()。
A. 5.13
B. 4.13
C. 3.13
D. 2.13
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Field theory suggests that lexical meanings are not exclusive and mutually independent.()
Sometimes bound morphemes can be used by themselves.()
A language is an isolating language if its morphemes are all bound morphemes.()
美国经济学家约翰·贝茨·克拉克经济学说的突出贡献是把“边际效用”分析运用于()
A. 分配领域
B. 价值论范畴
C. 生产领域
D. 流通领域