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【单选题】
采用定量订货方式必须预先确定()和订货物量。A.
订货点
B.
订货周期
C.
运输方式
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举一反三
【简答题】-127的补码为______。
【单选题】Last year, some poor people had hardly ______ the severe winter.
A.
remained
B.
lived
C.
endured
D.
survived
【简答题】127的补码为______。
【单选题】A terrible accident occurred in that coal mine last year, which left some miners ______disabled. They couldn’t work for the rest of their life.
A.
extraordinary
B.
permanently
C.
narrowly
D.
previously
【单选题】I remember we met each other ___ last year. [ ]
A.
sometime
B.
some times
C.
some time
D.
sometimes
【单选题】Some new teaching buildings ____ in Shunyi last year.
A.
build
B.
are built
C.
built
D.
were built
【简答题】定点字长为16位补码运算的计算机，用八进制写出它最大正数补码是______，最小负数补码为______。
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