element
问题（）is the key element for the whole society. A.Keyboard B.Information C.CPU D.Computer
（）isthekeyelementforthewholesociety.A.KeyboardB.InformationC.CPUD.Computer请帮忙给出正确答案和分析，谢
问题The operation of removing an element from the stack is said to（）the stack. A. pop B. p
Theoperationofremovinganelementfromthestackissaidto（）thestack.A.popB.pushC.storeD.fetch请