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【单选题】
危险和可操作研究的基本过程是以 ____ 为引导,对过程中工艺状态的变化 ( 偏差 ) 加以确定,找出装置及过程中存在的危害。A.
操作步骤
B.
工艺参数
C.
引导词
D.
事故发生的原因
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举一反三
【单选题】The fix to the first trial was moving the departure date from mid-May to mid-June because .
A.
the current travelled fast in mid-June than in mid-May
B.
it was hotter in mid-June than in mid-May
C.
there were no more eddies en route in mid-June
D.
there were no more winds en route in mid-June
【简答题】线性定常系统稳定的充分必要条件为
【单选题】下面使沉淀纯净的选项是 ( ) 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
表面吸附现象
B.
吸留现象
C.
后沉淀现象
D.
再沉淀 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【简答题】线性定常系统稳定的充分必要条件
【单选题】In 2006, the Mid-Autumn Festival was listed as one of China's cutural (heritage), and in 2008, it was designated as a public holiday.
A.
（文化）遗产，传统
B.
按揭
C.
年长的
【单选题】下面选项不属于使沉淀纯净的是 ( ) 。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
选择适当的分析程序
B.
改变杂质的存在形式 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
后沉淀现象
D.
选择合适的沉淀剂
【单选题】试将折半查找的算法改写成递归算法。 Int bisearch (sqlist L,int low, int high , elemtype x ) { If (low>high) return( 0 ); else { if (L.data[mid]= =x) return (mid); else if (L.data[mid]>x) bisearch(L,low,mid-1,x); else ...
A.
A. mid
B.
mid=(low+high)/2
C.
mid>(low+high)/2;
D.
mid!=(low+high);
【单选题】In mid-2008, estimated losses on mortgages were estimated to be about ________ of U.S. GDP.
A.
) 2%
B.
0.05
C.
0.07
D.
0.09
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