单项选择题

The standard______in C language contain many useful functions for input and output，string handing，mathematical computations，and system programming tasks.

A．database
B．files
C．libraries
D．subroutine
<上一题 目录 下一题>
热门 试题

单项选择题
A．executeB．．interpretC．compileD．maintain
A．execute
B．．interpret
C．compile
D．maintain
单项选择题
Firewall is a______mechanism used by organizations to protect their LANs from the Internet.
A．reliable
B．stable
C．peaceful
D．security
相关试题