【判断题】管理既要讲究效率,又要讲究效益,效率与效益相比较,效益是第一位的。
【单选题】汪老师在黑板上贴了一个坏学生榜,那些爱打闹不能按时交作业的学生都榜上有名,汪老师的做法。
【简答题】E Twenty years ago, most experts believed that differences in how boys and girls behaved were mainly due to differences in how they were treated by their parents, teachers, and friends. It’s hard to c...
【判断题】在安全管理有效性中,效率与效益相比较,效率是第一位的。
【判断题】( )TIG焊机引弧装置的高频震荡器可输出2000~3000V,150~260KHz的高频高压电,当接通电源后,钨极和焊件相距2mm左右就能使电弧引燃。
【判断题】TIG焊机引弧装置的高频震荡器可输出2000~3000V,150~260KHz的高频高压电,当接通电源后,钨极和焊件相距2mm左右就能使电弧引燃。