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以下关于UML部署图的叙述中，正确的是（）。
A.因为一条消息总是有某种响应，所以部署组件之间的依赖是双向的
B.部署组件之间的依赖关系类似于包依赖
C.部署图不用于描述代码的物理模块
D.部署图不用于描述系统在不同计算机系统的物理分布
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Teams are required for most engineering projects.Although some small hardware or software products can be developed by individuals,the scale and complexity of modern systems is such,and the demand for short schedules so great,that it is no longer（请作答此空）for one person to do most engineering jobs.Systems development is a team（ ）,and the effectiveness of the team largely determines the（ ）of the engineering.
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A team is（ ）just a group of people who happen to work together.Teamwork takes practice and it involves special skills.Teams require common processes;they need agreed-upon goals;and they need effective guidance and leadership.The methods for guiding and leading such teams are well known,but they are not obvious.
A.convenient
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C.practical
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Development teams often behave much like baseball or basketball teams.Even though they may have multiple specialties,all the members work toward（ ）.However,on systems maintenance and enhancement teams,the engineers often work relatively independently,much like wrestling and track teams.
A team is（ ）just a group of people who happen to work together.Teamwork takes practice and it involves special skills.Teams require common processes;they need agreed-upon goals;and they need effective guidance and leadership.The methods for guiding and leading such teams are well known,but they are not obvious.
A.convenient
B.existing
C.practical
D.real
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A.perfect
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C.controlle
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For any systems development project, effective project management is necessary to ensure that the project meets the （ ）, is eveloped within an acceptable budget, and fulfills customer expectations and specifications, Project management is a process that starts at the beginning of a project, extends through a project, and doesn't culminate until the project is completed.
The prerequisite for good project management is a well-defined system development process. Process management is an ongoing activity that documents, manages the use of, and improves an organization s chosen methodology （the"process"）for system development, Process management is concemed with the activities, deliverables, and quallty standards to be applled to （ ） project（s）.
A.perfect
B.acceptable
C.controlle
D.compl
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