【单选题】【消耗次数：1】
吗啡肠外给药：口服给药的剂量转换比例是
①
1：2
②
1：3
③
1：4
④
1：5
⑤
1：1
参考答案：
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设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则交关系A∩B等于：[填空1]
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以下程序的运行结果是（ ）。 void fun(int array[3][3]) { int j; for(j=0;jj++) array[1][j]=array[1][j]++; printf(\n} void main(){ int j,a[3][3]={0,1,2,1,0,4,2,4,5};fun(a);for(j=0;jj++)printf(%d,a[1][j]); printf(\n }
①
1 0 4
②
2 1 5
③
0 1 2
④
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【单选题】
设无向图G1 = áV1, E1?, 其中, V1 = {v1, v2, v3, v4, v5}, E1 = {(v1, v2), (v2, v3), (v3, v4), (v3, v3), (v4, v5)}，则v2的邻域 N(v2)为：
①
{v1, v2, v3}；
②
{v1, v3}；
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④
{v2}。
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设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?}，则v1的邻域 N(v1) =
①
{v3, v4}；
②
{v2, v3,v4}；
③
{v1, v2, v3, v4}；
④
{v2,v3}。
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设有向图D = áV, E?, 其中 V={v1, v2, v3, v4, v5}, E={áv4, v1?, áv1, v1?,áv1, v2?,áv1, v3?, áv3, v1?, áv5, v3?}，则v1的闭邻域 N(v1) =
①
{v3, v4}；
②
{v2, v3,v4}；
③
{v1, v2, v3, v4}；
④
{v2,v3}。
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Earthquake survival supplies include a torch, a spade, some rope and a radio ____.
①
conceiver
②
receiver
③
perceiver
④
deceiver
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①
counting
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Had he worked hard, he _____ the exams.
①
must have got through
②
would have got through
③
would get through
④
could get through