关于胃窦胃炎的治疗，最正确是
A. 维生素B12治疗
B. 稀盐酸口服
C. 铁剂
D. 胃复安、保护胃黏膜药
E. 肾上腺皮质激素
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
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