A:f(a2013)>f(a2016)
B:f(a2014)>f(a2015)
C:f(a2016)<f(a2015)
D:f(a2014)<f(a2016)
下列句子中划线的词语使用恰当的一项是( )
判断下列图片与单词是否相符,用”正确”或”错误”表示。
played basketball
( )
They were smoking the teacher appeared in front of them.
①加入CaO;②加入Ca(OH)2 ;③升高温度;④降低温度