Our school has used computers in teaching for ten years. As a result, not only______, but students become more interested in their lessons.

A．has teachers’ energy been saved

B．saved was teachers’ energy

C．teachers’ energy has saved

D．was saved teachers’ energy

护士长将处置室的物品摆放交给处置室护士负责属哪种授权方式（）

A.书面授权

B.充分授权

C.模糊授权

D.惰性授权

E.不充分授权