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【单选题】
补码加/减法是指( )。A.
加减数用补码表示，两位数相加/减，符号位单独处理
B.
操作数用补码表示，符号位和尾数一起参加运算， 结果的符号与加/减数相同
C.
操作数用补码表示，连同符号位直接相加， 减某数用加某数的机器负数代替， 结果的符号在运算中形成
D.
操作数用补码表示，由数符决定两尾数的操作， 符号位单独处理。
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举一反三
【单选题】听力原文：W: Guess what? Al! Dr. Watts found a part-time job for me! I can't believe it! I'll be working alongside a professor from Harvard! M: Wow, that's so cool, Lily! It's so great that your environmen...
A.
Because she wants to practice herself.
B.
Because she wants to work with the professor from Harvard.
C.
Because she has to support the family.
D.
Because she is tired of the classes.
【单选题】The patients believe that Dr. Smith knows exactly how to put them _________.
A.
right
B.
correct
C.
well
D.
straight
【单选题】对误差以下哪种说法是错误的?
A.
误差不可能完全消除
B.
通过多次测量可以有效减小随机误差
C.
多次测量结果的误差一定符合高斯分布
D.
系统误差不能通过多次测量来消除
【单选题】听力原文：W: Guess what? Al! Dr. Watts found a part time job for me! I can't believe it! I'll be working alongside a professor from Harvard ! M: Wow, that's so cool, Lily! It's so great that your environme...
A.
Because she wants to practice herself.
B.
Bemuse she wants to work with the professor from Harvard.
C.
Because she has to support the family.
D.
Because she is tired of the classes.
【单选题】某孕妇,G1P0,孕32周,感头晕,乏力及食欲差,半月余,查:胎位、胎心及骨盆均正常,血红蛋白80g/L,红细胞压积25%。对于该孕妇,可能的诊断是
A.
巨幼红细胞性贫血
B.
缺铁性贫血
C.
地中海贫血
D.
再生障碍性贫血
E.
以上都不是
【简答题】Why do people believe what Dr.Zhong says and admire him?
【单选题】Most of us believe that John is going to be ______ on Wednesday by Dr. Hayes of Haloon Hospital.
A.
operated
B.
handled
C.
examined
D.
inspected
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