下列各组物质中，经混合后，溶液质量不发生改变的是[ ] A、氯

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问题选择题

下列各组物质中，经混合后，溶液质量不发生改变的是[ ]

A、氯化钠溶液和硝酸银溶液

B、碳酸钠溶液和盐酸

C、硝酸钡溶液和硫酸锌溶液

D、氢氧化钠溶液和硝酸

答案

答案：D

单项选择题

Which book would you recommend to someone interesten in children’s mental imanges?（）

A.Connecting Animals and Children in Early Childhood.

B.Songs in Their Heads:Music and Its Meaning in children’sLives.

C.Big Ideas for Little Kids: Teaching Philosophy Through children’s Literature.

D.Young Children as Artists:Art and Design in the Early Years and Key Stage 1.

单项选择题

某拳击运动员在比赛时，将对手的耳朵咬下一块肉，在民法上这位拳击运动员侵犯了对手的：( )

A．健康权

B．身体权

C．肖像权

D．名誉权