治疗骨囊肿手术治疗的原则是A．囊壁彻底骨切除+植骨B．囊壁刮除+囊腔内液体引流C．病段切除+植骨D．

● Assume that you have a network where an activity on the critical path can be crashed by two weeks. If the activity is actually crashed by two weeks, then:

A The project's schedule will be reduced by 2 weeks.

B The available slack on the noncritical paths will increase.

C A new critical path may appear after the crash.

D All of the above.

E A and B only.

52 Assume that you have a network where an activity on the critical path can be crashed by two weeks. If the activity is actually crashed by two weeks, then:

A. The project's schedule will be reduced by 2 weeks.

B. The available slack on the noncritical paths will increase.

C. A new critical path may appear after the crash.

D. All of the above.

E. A and B only

170 Assume that you have a network where an activity on the critical path can be crashed by two weeks. If the activity is actually crashed by two weeks, then:

A. The project's schedule will be reduced by 2 weeks.

B. The available slack on the noncritical paths will increase.

C. A new critical path may appear after the crash.

D. All of the above.

E. A and B only

Network management helps you to(66)the strengths and weaknesses of your network, as well as determine any configuration changes that may be necessary. Any controlled changes to your network and its components-especially configurations, software and(67), can have an effect on its overall efficiency. To maintain control, you need the tools and knowledge to manage all activity that has the potential to affect your(68).

A．see

B．know

C．monitor

D．control

Network management helps you to(66)the strengths and weaknesses of your network, as well as determine any configuration changes that may be necessary. Any controlled changes to your network and its components-especially configurations, software and(67), can have an effect on its overall efficiency. To maintain control, you need the tools and knowledge to manage all activity that has the potential to affect your(68).

A．see

B．know

C．monitor

D．control

e work breakdown strcture.The network diagram has been created,the duration estimates have been compressed,and a schedule has been developed.What the management activity should you do next？

A.Control schedule.

B.Estimate activity resources.

C.Analogously estimate the schedule.

D.Gain approval.

Assume that you have a complex of a transition metal ion with a d⁶configuration. Can you tell weather the complex is octahedral or tetrahedral if measuring the magnetic moment establishes that it has no unpaired electrons？

If you have any questions, please go and ask______.

A．the responsible person for the activity

B．the person responsible for the activity

C．the activity's responsible person

D．the person for the activity responsible