题目内容

In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on your answer sheet.Questions 6 and 7 are based on the following news item. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. What do you know about the resort Cancun

A. There were 13,000 people needed to be moved.
B. The hurricane came in 1988 killed 300 people.
C. It is the largest resort in the world.
D. It never experienced a mass evacuation.

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简述借款还本付息表各项目的填列方法。

某商业楼建筑面积10 550m2，其中土建各项目费用如下表所示。单位：元项目人工费材料费机械使用费基础工程 525833 3480552 1888265 结构工程 212206 1560693 364238 屋面工程 42220 441601 装饰工程 164017 1669536 其他直接费 850045 间接费率14%，计划利润率7%，税率4%，利税均以直接工程费为基价计算。另外已计算出给排水工程和电气照明工程费用合计162540元。试计算下列各项费用： 1．直接工程费。 2．一般土建工程造价。 3．建筑安装工程总造价。 4．建筑安装工程单位造价。

系统可靠性的简单度量是平均故障间隔时间(MTBF)，其计算公式是 (23) ；软件可用性是指在某个给定时间点上程序能够按照需求执行的概率，其定义为 (24) 。(MTTF： Mean Time To Failure：MTTR：Mean Time To Repair)

A. MTTF+MTTR
B. MTTF-MTTR
C. MTTR-MTTF
D. MTTF×MTTR

In his report of the accident he ______ some important details.

A. missed
B. wasted
C. escaped
D. failed