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【单选题】
某机器字长32位,存储容量为1MB,若按字编码,它的寻址范围是( )A.
0 - 1M
B.
0 - 512K
C.
0 - 256K
D.
0 - 128K
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举一反三
【单选题】Jim did very well. He ________ two goals before half-time. [ ]
A.
had scored
B.
had kicked
C.
scored
D.
made
【单选题】Though inland waterways were important transportation system, they were soon replaced by the more convenient railroads.
A.
正确
B.
错误
【单选题】Jim had a very ________ look when Tom told him Mary was not coming.
A.
disappointing
B.
disappointed
C.
disappoint
【单选题】Jim had a very________look when Tom told him Mary was not coming.
A.
disappoint
B.
disappointed
C.
disappointing
【单选题】The employees were all very exhausted, but ______ of them would stop to take a break.
A.
neither
B.
none
C.
nor
D.
no
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