●In C program，all variables must be (70) before use，usually at the beginning of the function before any (71) statements.(70) A．statedB．writedC．illustratedD．declared(71) A．operateB．activeC．executableD．processing
●In C program，all variables must be (70) before use，usually at the beginning of the function before any (71) statements.
(70) A．stated
B．writed
C．illustrated
D．declared
(71) A．operate
B．active
C．executable
D．processing
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