A:c(Cl-)>c(NH4+)>c(H+)>c(OH-)
B:c(NH4+)> c(Cl-)>c(H+)>c(OH-)
C:c(Cl-)=c(NH4+)>c(H+)=c(OH-)
D:c(NH4+)= c(Cl-)>c(H+)>c(OH-)
下列计算正确的是( )
以下是我们生活中一些常见的现象:①湿的衣服晾晒一段时间后会变干;②打开白酒瓶或醋瓶,可闻到酒香或酸味;③走过面包房,可闻到面包香味;④将红墨水滴入水中,水会变红.你认为,下列关于物质微观结构的模型,哪种能较好地解释上述现象?( )
A.They're under the bed.
B.It's my father's.
C.Try this.
D.I'm eleven.
E.So beautiful!
(____)⑴How old are you?
(____)⑵Where are my trousers?
(____)⑶The hat is so big.
(____)⑷Whose jacket is it?
(____)⑸Look at my dress.