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【简答题】
8位补码可以表示的数的范围为:-______≤N≤+______。
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反馈参考答案：
举一反三
【多选题】下列哪项属于II型变态反应的特点
A.
抗原抗体复合物存在于细胞膜上
B.
介导的抗体是IgG和IgM
C.
具有明显的个体差异和遗传趋向
D.
有补体.吞噬细胞.MK细胞参与
E.
后果是靶细胞破坏
【单选题】Sam has been appointed ________ manager of the engineering department to take ________ place of George.(2012·重庆)
A.
/；/
B.
the；/
C.
the；the
D.
/；the
【单选题】Sam has been appointed _______ manager of the engineering department to take ____ place of George.
A.
/, /
B.
the, / C the, the D./, the
【单选题】— Could you tell me _________? — He often takes a bus.
A.
what does Tom usually do
B.
where is the post office
C.
how Tom often goes to work
D.
why Tom sometimes comes late
【单选题】Sam has been appointed ______ manager of the engineering department to take ______ place of George. [ ]
A.
/; /
B.
the; /
C.
the; the
D.
/; the
【单选题】Sam has been appointed _______ manager of the engineering department to take ____ place of George.
A.
/,/
B.
the; the
C.
the,/
D.
/, the
【简答题】JSP的全称是( )。
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