以下属于勘察、设计、工程监理及其他有关单位安全责任的有( )。

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问题多项选择题

A．自行完成建设工程主体结构的施工

B．提供的勘察文件应当真实、准确，满足建设工程安全生产的需要

C．采用新结构、新材料、新工艺的建设工程，设计单位应当在设计中提出保障施工作业人员安全和预防生产安全事故的措施建议

D．出租的机械设备和施工机具及配件，应当具有生产许可证、产品合格证

E．设立安全生产管理机构，配备专职安全生产管理人员

答案

参考答案：B,C,D

单项选择题 A1/A2型题

患者，男性，48岁。过去因痔疮间断有大便带血，近两月来，大便持续性带血，并伴大便习惯改变。需要首先进行的最简便有效的诊断方法是（）。

A.钡灌肠

B.直肠指诊

C.纤维结肠镜检查

D.腹部B超

E.腹部CT

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单项选择题

Estimating schedule activity costs involves developing an（）of the costs of the resources needed to complete each schedule activity. Cost estimating includes identifying and considering various costing alternatives. For example, in most application areas, additional work during a design phase is widely held to have the potential for reducing the cost of the execution phase and product operations. The cost estimating process considers whether the expected savings can offset the cost of the additional design work. Cost estimates are generally expressed in units of（）to facilitate comparisons both within and across projects.The（）describes the business need, justification, requirements, and current boundaries for the project. It provides important information about project requirements that is considered during cost estimating.

Cost estimates are generally expressed in units of（）to facilitate comparisons both within and across projects.

A．activity

B．work

C．currency

D．time

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