维生素C注射液中依地酸二钠的作用是

Changes often happen in（）．

A．Initiating Process

B．Executing Process

C．Planning Process

D．Closing Process

(南京航空航天大学2006年考研试题)如图3一74(a)所示电路非线性电阻的伏安特性曲线如图3一74(b)所示。求电路中的电压U1和I1。

A．74％、68％、74％

B．68％、68%、68%

C．68％、74%、68%

D．74％、74%、74%

74~76

第74题：

74~75

第74题：

A、74%、68%、74%

B、68%、68%、68%

C、68%、74%、68%

D、74%、74%、74%

A、74%、68%、74%

B、68%、68%、68%

C、68%、74%、68%

D、74%、74%、74%

changes and providing a method to validate approved changes．(74) is not a project configuration management tool．

（74）

A．Rational Clearcase

B．Quality Function Deployment

C．Visual SourceSafe

D．Concurrent Versions System

● (74) is a single-user multi-task operating system．

(74)

A． MS-DOS

B． Windows

C．UNIX

D．Linux

试题（75）

Which of the following is not part of the change-management process of IT supervisor?（75）.

（75）

A．change analyses

B．change evaluation

C．change acquisition

D．change executing