单项选择题 A () is a collection of projects and other work that are grouped together to facilitate effect -ive management of thatwork to meet strategic business objectives.

单项选择题 Quality planning tools are often used to help plan effective quality management activities.() is one of such tools,which involves company actual or planned project practices to those or other projects to generate ideas for improvementand to provide a basis by which to measure performance.

单项选择题 qd.（）