一般原油的平均含氢量为()。A、11%~14%B、40%~45%C、65%~71%D、84%~87%
一般原油的平均含氢量为()。
- A、11%~14%
- B、40%~45%
- C、65%~71%
- D、84%~87%
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已知一组待排序的记录关键字初始排列如下:45,34,87,25,67,43,11,66,27,78 。()是初始堆(大堆顶)。A、27,34,11,25,45,43,87,66,67,78B、87,78,45,66,67,43,11,25,27,34C、11,43,34,25,45,66,27,67,87,78D、11,43,34,45,25,66,87,67,27,78E、34,45,25,67,43,11,66,27,78,87F、87,45,11,25,34,78,27,66,67,43G、27,34,11,25,43,45,67,66,87,78H、34,11,27,25,43,78,45,67,66,87
已知一组待排序的记录关键字初始排列如下:45,34,87,25,67,43,11,66,27,78 。()是希尔排序法(初始步长为4)一趟排序的结果。A、27,34,11,25,45,43,87,66,67,78B、87,78,45,66,67,43,11,25,27,34C、11,43,34,25,45,66,27,67,87,78D、11,43,34,45,25,66,87,67,27,78E、 34,45,25,67,43,11,66,27,78,87F、87,45,11,25,34,78,27,66,67,43G、27,34,11,25,43,45,67,66,87,78H、34,11,27,25,43,78,45,67,66,87
已知一组待排序的记录关键字初始排列如下:45,34,87,25,67,43,11,66,27,78 。()是基数排序法一趟排序的结果。A、27,34,11,25,45,43,87,66,67,78B、87,78,45,66,67,43,11,25,27,34C、11,43,34,25,45,66,27,67,87,78D、11,43,34,45,25,66,87,67,27,78E、34,45,25,67,43,11,66,27,78,87F、87,45,11,25,34,78,27,66,67,43G、27,34,11,25,43,45,67,66,87,78H、34,11,27,25,43,78,45,67,66,87
已知一组待排序的记录关键字初始排列如下:45,34,87,25,67,43,11,66,27,78 。()是快速排序法一趟排序的结果。A、27,34,11,25,45,43,87,66,67,78 B、87,78,45,66,67,43,11,25,27,34C、11,43,34,25,45,66,27,67,87,78 D、11,43,34,45,25,66,87,67,27,78E、34,45,25,67,43,11,66,27,78,87 F、87,45,11,25,34,78,27,66,67,43 G、27,34,11,25,43,45,67,66,87,78 H、34,11,27,25,43,78,45,67,66,87
单选题已知一组待排序的记录关键字初始排列如下:45,34,87,25,67,43,11,66,27,78 。()是希尔排序法(初始步长为4)一趟排序的结果。A27,34,11,25,45,43,87,66,67,78B87,78,45,66,67,43,11,25,27,34C11,43,34,25,45,66,27,67,87,78D11,43,34,45,25,66,87,67,27,78E 34,45,25,67,43,11,66,27,78,87F87,45,11,25,34,78,27,66,67,43G27,34,11,25,43,45,67,66,87,78H34,11,27,25,43,78,45,67,66,87
单选题原油中的碳和氢含量为()。A40%~45%B65%~71%C84%~87%D96%~97%