网页标题可以在（）对话框中修改
A.首选参数
B.页面属性
C.编辑站点
D.标签编辑器
参考答案：B
Many people would rather _____ eating out on holiday than give up their broadband, mobile phone and pay-TV services, according to a recent survey.
A．cut off
B．cut in
C．cut back on
D．cut up
目前所用电动变送器的输出信号一般都是（）。
A、4～20MADC
B、0～10MADC
C、0～24V
