通过了可行性研究后，项目组织的会议主要目的是（） ["选择人员","分配任务","讨论项目计划","组织设备"]
In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)（）. ["apogean tide","double high water","perigean tide","bore"]
寄往欧美国家的信函，信纸折叠方式通常为（）。 ["竖折","横折","横竖折","随意折"]
要求有关单位和人员周知、办理或共同执行某项工作而普遍使用的文种是（）。 ["命令","指示","通知","通报"]
项目管理员在项目运作过程中要草拟的文件中对项目提出假设的是（） ["项目建议书","可行性研究报告","招标文件","项目许可证书"]
油泵打压时间过长，可能有哪些原因？
