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【单选题】
设寄存器位数为8位,机器数采用补码形式(含1位符号位)。对应于十进制数-47,寄存器内容为:A.
D1H
B.
2FH
C.
E5H
D.
9FH
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【简答题】There were two boys in the lab, did the experiment successfully. A. theclever of whom B. thecleverer or whom C. theclever of them D. themore clever of them
【简答题】expe_ience
【简答题】睡时汗出，醒则汗止者，称（）|经常日间汗出，活动后尤甚者，称（）A. 自汗B. 盗汗C. 绝汗D. 战汗E. 头汗
【简答题】In preparing scientific reports of laboratory experiments, a student should _____ his findings in logical order and clear language. (A) furnish (B) propose (C) raise (D) present
【单选题】It was in the lab __________was in the charge of Professor Smith __________they carried out the experiment.
A.
where；that
B.
which；where
C.
that；where
D.
which；that
【简答题】Theauthorimpliesthattheuseofmobilephonesinsuchplacesasmuseumsshouldbe. A)limited B)expected C)discouraged D)recommended
【单选题】设y=f(sin2x), 则y'=( )。
A.
f'(sin2x)sin 2s
B.
f'(sin2x)
C.
2sin xf'(sin2x)
D.
2f'(sin2x)
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