下列程序执行(AX)=______。 X DB 5，7，5 MOV AL，WORD PIR X
A．5
B．57
C．75
D．117
参考答案：D
"Did you go there by car?" "______. We went there on a train." [ ]
A. Yes, we do.
B. No, we don't.
C. Yes, we did.
D. No, we didn't.
超硬磨粒有什么优越性？
