You are the administrator of your company's network. A user named David runs Windows 2000 Professional on his portable computer. David wants to be able to work at home on files that he created at the office and stored on the company network. Prior to logging off the network and leaving the office, David enables offline files. David calls you from home and reports that copies of his folders and files on the network are not available on his portable computer. What should you instruct David to do, so that he can proceed with his work?（） Enable file and print sharing. David will be able to access his files at home immediately. 。 Synchronize all offline files. David will be able to access his files at home immediately. 。 At the office, make all files available offline. David will be able to access his files the next time he logs off the network. 。 At the office, create a shortcut to the Offline Files folder. David will be able to access his files the next time he logs off the network.&e。
凝集原检验法是用已知抗原检测血痕中的未知抗体，判定血型。
学习动机的激发。
气焊时，为什么要求火焰既能迅速熔化金属，要求气流不要太急？
国家对主要农作物品种实行品种（）制度 登记。 备案。 审定。 审核。
巴黎和会中国外交失败的消息传，中国这头睡狮开始狂吼。资产阶级为之奔走呼号，学生游行示威，火烧曹宅；商人罢市歇业，国人拒买日货；工人罢工停产。连那些封建以的王公贵族参与到抗议的队伍中。从上述现象看，五四运动应该属于什么性质（）。
