如何在系统中查询全公司某月发生的机电故障?
参考答案:
1)机电故障记录程序中输入条件查询;
2)数据导出--导出机电故障记录中输入条件导出查询。
In our school, many a boy ____ playing football and more girls than one ____ playing it.
A.likes; likes
B.like; like
C.like; likes
D.likes; like
调制解调器的作用是( )。
A.把计算机信号和音频信号互相转换
B.把计算机信号转换为音频信号
C.把音频信号转换为计算机信号
D.防止外部病毒进入计算机中