We are now living in _______ world where computers rule our work and daily life．So    online searches have already become _______ must．

A．a；the

B．a：a

C．the；a

D．the；／

下列程序执行后，DX寄存器的内容是( )。 CODE SEGMENTASSUMECS：CODE START: MOV CL，3MOV DX，0C6HROL DX，2ROR DX，CL CODE ENDSEND START

A．35
B．63H
C．53H
D．138H