施工组织总设计包括如下工作：（）。 ①计算主要工种工程的工作量； ②编制施工总进度计划； ③编制资源需求量计划； ④拟定施工方案。其正确的工作顺序是 ①②③④。 ①④②③。 ①③②④。 ④①②③。
You are the administrator of a Windows 2000 Professional computer that has a shared printer. Several departments in your company use the shared printer. The sales department frequently prints multiple-page presentation graphics， which take a long time to print. Users in other departments who have short messages to print must wait an unnecessarily long time for their jobs to print. You want to improve the efficiency of printing for all users who use the shared printer. You want to accomplish this with the least amount of administrative effort. What should you do？ （） Configure the priority of the printer to 50. Add a new printer， and set the priority to 1. For the new printer， deny Print permission for users in the sales department.。 Configure the priority of the printer to 50. Add a new printer， and set the priority to 95 For the new printer， deny Print permission for users in the sales department.。 Monitor the print queue， and raise the priority of all the print jobs that are sent by users who are not members of the sales department.。 Delete the old printer. Add a new printer， and set the priority to a higher value. Pause the print queue only when graphic-intensive print jobs are printing.。
我国社会必然要经历一个很长的社会主义初级阶段的必然性是因为：（） 生产力的落后状况决定的。 商品经济不发达决定的。 社会主义改造时间短决定的。 大跃进、人民公社的历史决定的。 我国长期没有实行对外开放决定的。
试述脉冲氩弧焊的原理是什么？
什么是库存盘点？包括哪些内容？
根据《担保法》的规定，下列单位不能担任保证人的是（）。
