单项选择题

______is a sequence of leRers and digits，the first character must be a letter.

A．An identifier
B．A string
C．An array
D．program
<上一题 目录 下一题>
热门 试题

单项选择题
A．10catesB．allocatesC．findsD．looks for
A．10cates
B．allocates
C．finds
D．looks for
单项选择题
In C language，______is a collection of one or more variables，possibly of different types，grouped together under a single name for convenient handling.
A．a structure
B．a file
C．an array
D．a string
相关试题