A:①NaCl②NaOH③NH3·H2O④H2SO4
B:①H2SO4②NaOH③NH3·H2O④NaCl
C:①H2SO4②NH3·H2O③NaOH④NaCl
D:①NaCl②NH3·H2O③NaOH④H2SO4
对半坡聚落和河姆渡聚落的共同之处表述不正确的是( )
I don't like grapes and oranges.(肯定句)
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