题目

根据短文内容选择正确的答案。 I have many toy animals. Look! This is a monkey. It is lovely. I like it very much. That's an elephant. It is big and strong. What are these? They're pigs. They're cute and fat. Where's my dog? Oh, it is under the table.【1】The toy monkey is _______. （ ）A. fat B. big C. cute【2】The elephant is _____. （ ）A. big B. strong C. big and strong【3】The pigs are _______. （ ）A. fat B. happy C. big【4】The dog is ______ the table. （ ）A. on B. under C. behind在醋酸与氢氧化钠溶液的反应过程中，溶液中的相关离子浓度呈现出下列排列顺序：c(CH3COO－)＞c(Na+)＞c(H+)＞c(OH－)。满足该条件的反应可能是                  A  pH＝2的CH3COOH与pH＝12的NaOH溶液等体积混合 B．0.1 mol/L的CH3COOH溶液与0.2 mol/L的NaOH溶液等体积混合 C．CH3COOH与NaOH溶液混合后所得溶液的pH=7 D．0.1 mol/L的CH3COOH溶液与等物质的量浓度、等体积的NaOH溶液混合