University graduates should develop such skills as critical thinking, and inter-personal communication, ________ are important in personal development.

A．which are believed by the manager that

B．which are believed by the manager

C．which the manager believes that

D．which the manager believes

金属物品带入磁体孔腔内会导致(　　)

A．磁场强度改变

B．磁场均匀度破坏

C．对射频产生影响　

D．图像对比度下降

E．磁场稳定度下降