●A （74)is aformal set ofrules for specifying the format and relationship when exchanging d

（）is a collection of data sets,which is so large and complet that is because difficult to

A．has set upB．has establishedC．has emergedD．is emerged

Computer virus, whose essential ______ is a set of instructions, is one kind of threat to

Which of the following is INCORRECT about the Preventive Service Task Force？A．It is set up

Which one is not true about setting clear goals？A.A team without a goal is like a house

Beloved is set______.A.on a slave shipB.on a plan