【判断题】绩效改进指确认组织或员工工作绩效的不足与差距,查明产生的原因,制定并实施有针对性的改进策略,不断提高员工竞争优势的过程。
【简答题】是明清时期流行于我国北方的说唱形式,其前身是宋、元鼓子词、词话。
【单选题】What is the writer's attitude to the climate in the future?
【简答题】“别有幽愁暗恨生”一句出自哪部长篇叙事诗?
【单选题】Meteorologists routinely tell us what next week's weather is likely to be, and climate scientists discuss what might happen in 100 years. Christoph Schar, though, ventures dangerously close to that mi...
A.
climate scientists are contemptuous of weather forecast.
B.
it is a venture to forecast what weather is like tomorrow.
C.
Schar has the audacity to do what others seldom did.
D.
Schar has made gloomy predictions on future weather.
【多选题】据报道:河北农大数十名教师奔赴太行山区,把十几项配套技术送下乡,并培养出20多万农民技术人才,促进了山区经济起飞。与此同时,教师在开发山区的实践中,也取得了26项科研成果,丰富了原来的教材,推动了全校的教学改革。大家说:“农民需要科学,科学也需要农民。”这个事例说明( )。
【简答题】某企业生产甲、乙两种产品,已知生产每吨甲产品要用A原料3吨,B原料2吨;生产每吨乙产品要用A原料1吨,B原料3吨;销售每吨甲产品可获得利润6万元,每吨乙产品可获得利润3万元。该企业在一个生产周期内消耗A原料不超过13吨,B原料不超过18吨。求甲乙两种产品各生产多少吨时,该企业可获得最大利润,并求出最大利润?