在工程实际中，经济管径的确定与流速的选择有关。下列表述错误的是（)。A．密度大的流体，流速取小些B

A．overlook

B．overlie

C．overlay

D．overleap

e components. COM is the underlying architecture that forms the foundation for higher-level software services, like those provided by OLE. COM defines a binary standard for function calling between components, a way for components to dynamically discover the interfaces implemented by other components, and a mechanism to identify components and their interfaces uniquely.OLE is a compound(147)standard developed by Microsoft. OLE makes it possible to create(148)with one application and link or embed them in a second application. Embedded objects retain their original format and(149)to the application that created them. Support for OLE is built into the Windows and MacOS Operating Systems. A(150)compound document standard developed mainly by Apple and IBM is called OpenDoc.

A．architecture

B．protocol

C．procedure

D．structure

ns have a strong incentive to protect the(162)of the data exchanged in this manner, and to positively ensure the(163)of those involved in the transactions. This has led to an industry-wide quest for better, more secure methods for controlling IT operations, and for deploying strong security mechanisms deeply and broadly throughout networked infrastructures and client devices. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security(164 )that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in(165 )and integrating security provisions at the deepest levels of the machine operation has significant benefits for both users and those responsible for securing IT operations.

A．devices

B．transactions

C．communications

D．businesses

A．identities

B．homogeneities

C．creations

D．operations

关于白盒测试，以下叙述正确的是(12)。

A．根据程序的内部结构进行测试

B．从顶部开始往下逐个模块地加入测试

C．从底部开始往上逐个模块地加入测试

D．按照程序规格说明书对程序的功能进行测试，不考虑其内部结构

当(16)时，用例是捕获系统需求最好的选择。

A．系统具有很少的用户

B．系统具有很少的接口

C．系统算法复杂，功能单一

D．系统有很多参与者

oject management plan to accomplish the project's requirements.

A．Planning

B．Executing

C．Monitoring and Controlling

D．Closing

ose deliverables.

A．project scope statement

B．project requirement

C．project charter

D．product specification

Given the estimated decrease in personal profit, what action you should take(46).

A．Invoice for the full $1,000,000 based on the contract.

B．Add tasks to improve the outcome and increase the actual project cost.

C．Inform. the end-user that you can add features to the project in order to use the entire budget.

D．Communicate the projected financial outcome to the project sponsor.

在进行项目计划前，应该首先建立______的目的和范围，考虑可选的解决方案、标识技术和管理的约束。没有这些信息，就不可能进行合理的成本估算、有效的风险评估、适当的项目任务划分或是可管理的项目进度安排。

A．人员

B．产品

C．过程

D．计划