) ● （71 now plays a central role in the global economy. （71)A. Data B. CPU C. Information

) ● （71 now plays a central role in the global economy. （71)A. Data B. CPU C. Information

) ● （71 now plays a central role in the global economy. （71)A. Data B. CPU C. Information

The（71) is the central processingu unitof the microcomputer.A.controllerB.storageC.display

The ______ are playing the guitar now.A、childB、childsC、childrenD、childrens

He kept playing the same record _____until 1 had to have the room.A．now and againB．now and

Don’t let the child play with scissors ____________ he cuts himself.A、so thatB、now thatC