A:网络打破了传统交往的时空界限,促进了人际交往
B:网络方便了我们查阅资料,学习新知
C:网络推动传统产业转型升级,提升经济发展水平
D:网络丰富了民主形式,拓宽了民主渠道
医生在给病人做手术之前,要进行严格消毒,手术时还要戴上口罩和手套是为了( )
His wife is constantly finding ____ (过错)with him,which makes him very angry.