若天然水的碱度值较大，可定性地判断此水的碳酸盐硬度值亦较高。( )
参考答案：对
— I'd like to have a piece of bread and two eggs.
— Anything _________? [ ]
A. following
B. follows
C. to follow
D. follow
习惯上用PLC作为（）的缩写。
