—It has been written into law that drink driving can be a crime (罪).

—I quite agree. We should better be careful not to _________ the law. [ ]

A. test

B. cheat

C. break

D. deal

下面论述正确的是( )。

A．具有输入输出指令的计算机的外设，均可按单独编址

B．统一编址方式下，不可访问外设

C．访问存储器的指令，只能访问存储器，一定不能访问外设

D．只有输入输出指令才可以访问外设