A：pH=7的溶液
B：c（H+）=c（OH﹣）的溶液
C：由强酸、强碱等物质的量反应得到的溶液
D：非电解质溶于水得到的溶液
This is my family.My mother is a teacher.She is very friendly.My father is a basketball player.He is tall and strong.My uncle is a cook.My aunt is a nurse.I am a student.I have no job.
12×13= ____
12−13= ____
12+13= ____
56×35= ____
