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【单选题】
已知关键字序列{503,87,512,61,908,170,897,275,653,462}, 将此关键字序列建成一个大顶堆，正确的是（ ）A.
908,653,897,503,462,170,512,275,61,87
B.
908,653,512,503,462,170,897,275,61,87
C.
908,653,897,503,462,170,275,512,61,87
D.
908,653,897,503,462,170,87,275,61,512
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【单选题】The schedule, which you will find attached,______the specific delivery dates we require.
A.
ships
B.
places
C.
details
D.
succeeds
【单选题】Most of us who work in early childhood education feel strongly that the work we do is valuable,【C1】______ essential, to the well-being of children and society. Yet it is hard to hold on to this【C2】___...
A.
yet
B.
so
C.
and
D.
even
【简答题】建设工程进度控制工作的主要内容包括（ ）。
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