Ella Black is talking about the delay of an order with Thomas Cook. Listen to the conversation and fill in the blanks with what you hear. W: We’ve checked the order, and it ____1______ last Friday. I’m so sorry about that.M: You know we are a design company; our work cannot be done without computers. Our work has been affected ___2____.W: Sorry, sir. We promise ____3____.M: What if we don’t get it by then? Our manager ___4___ your service. This is our first order, and things like this shouldn’t have happened.W: I fully understand your position at this moment. _____5______ . I do hope this incident won’t affect our future business relations.M: Well, I hope so.
不可预见费根据项目的复杂程度和除税务外的全部费用估算的准确程度,以项目个项费用的( )进行估算。
A. 2%~6%
B. 3%~7%
C. 4%~8%
D. 5%~9%
()阶段是开发建设项目投资决策的基础,是在分析项目技术、经济可行性后做出投资与否决策的关键步骤。
A. 初步可行性研究
B. 投资机会研究
C. 详细可行性研究
D. 项目的评估和决策
视频安防监控系统在安全防范系统中发挥什么样的作用?