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【单选题】
下面( )指令执行后,BX寄存器的内容不会发生变化。A.
AND BX, 0000H
B.
XOR BX, BX
C.
MOV AX, BX
D.
OR BX, 1
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举一反三
【单选题】Simon often ________ comic books for some time at the weekends. [ ]
A.
looks at
B.
reads
C.
sees
D.
watches
【单选题】患者心电图：P波消失，代之以大小、振幅、形态不一的f波，频率为110次/分。最可能的诊断为
A.
心房颤动
B.
心房扑动
C.
房性期前收缩
D.
心室颤动
E.
心室扑动
【单选题】Chen：Your manager looks very__________. Simon：Yeah．He always wears a dark suit with a tie． Chen：Is he very strict with you? Simon：Yeah．He seldom smiles．
A.
kind
B.
mild
C.
serious
D.
talktive
【单选题】Simon looks ____ today and smiles ____ all the time.
A.
happy, happy
B.
happily, happily
C.
happy, happily
D.
happily, happy
【单选题】The T-shirt makes Simon _____. [ ]
A.
look well
B.
looks beautifully
C.
look cool
D.
to look handsome
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