REPZ指令作为( )串操作指令的前缀时才能完全发挥它的功能。
A. MOVSB
B. STOSB
C. LODSW
D. CMPSW
Shelley's masterpiece, Prometheus Unbound, is a verse drama, which borrows the basic story from
A. [A] the Bible.
B. [B] a German legend.
C. [C] a Greek play.
D. [D] One Thousand and One Nights.
John and Mark became separated (分开) because ______.
A. John had to stay in the boat to radio for help
B. John couldn't control (控制) the boat and drifted away
C. There wasn't room for both John and Mark on the buoy
USB接口的打印机属于______。
A. 软件设备
B. “热拔插”设备
C. 输入设备
D. 以上都不是
微信支付 
支付宝支付