牙科铸造属于

A．陶瓷型芯铸造
B．精密芯块铸造
C．金属型铸造
D．石膏型铸造
E．熔模铸造

The former head of your project office recently fell to his death during a Mount Everest summit attempt. You are the new head of the project office. You are eager to “run the show” because of ongoing confusion in your organization regarding project plans and schedules. Unfortunately, many project managers believe the plan is the schedule. You realize that the plan is much more than a schedule and have decided to issue guidelines concerning items that should compose project plans. Your guidelines state the WBS ______ .

A) does not need to be included in the plan because it would be reflected in the schedule
B) should be included as part of the scope management plan
C) should be developed, but only to the second level
D) should be developed to the level at which control will be exercised