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class=GramE>个</span>零元素。<span lang=EN-US><br>
</span>  <span lang=EN-US>(6)A</span>.<span lang=EN-US>e</span>  <span
class=GramE> </span><span lang=EN-US>B</span>.<span lang=EN-US>2e</span>  <span
class=GramE> </span><span lang=EN-US>C</span>.<span lang=EN-US>n<sup>2</sup>-e</span>  <span
lang=EN-US>D</span>.<span class=GramE><span lang=EN-US>n<sup>2</sup>-2e</span></span><span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:
0pt'>  <span lang=EN-US>●</span>若一棵哈夫曼<span lang=EN-US>(Huffman)</span>树共有<span
lang=EN-US>9</span>个顶点,则其叶子结点的个数为<span lang=EN-US>__(7)__</span>。<span
lang=EN-US><br>
</span>  <span lang=EN-US>(7)A</span>.<span lang=EN-US>4</span>  <span
class=GramE> </span><span lang=EN-US>B</span>.<span lang=EN-US>5</span>  <span
class=GramE> </span><span lang=EN-US> C</span>.<span lang=EN-US>6</span>  <span
class=GramE> </span><span lang=EN-US> D</span>.<span lang=EN-US>7<o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:
0pt'>  <span lang=EN-US>●</span>若采用邻接矩阵来存储简单有向图,则其某一个顶点<span class=SpellE><span
lang=EN-US>i</span></span><span class=GramE>的入度等于</span>该矩阵<span lang=EN-US>__(8)__</span>。<span
lang=EN-US><br>
</span>  <span lang=EN-US>(8)A</span>.第<span class=SpellE><span lang=EN-US>i</span></span>行中值为<span
lang=EN-US>1</span>的元素个数<span class=GramE>     </span><span lang=EN-US> B</span>.所有值为<span
lang=EN-US>1</span>的元素总数<span lang=EN-US><br>
</span>  <span class=GramE> </span><span lang=EN-US> C</span>.第<span
class=SpellE><span lang=EN-US>i</span></span>行及第<span class=SpellE><span
lang=EN-US>i</span></span>列中值为<span lang=EN-US>1</span>的元素总个数 <span lang=EN-US>D</span>.第<span
class=SpellE><span lang=EN-US>i</span></span>列中值为<span lang=EN-US>1</span>的元素个数<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:
0pt'>  <span lang=EN-US>●</span>在<span class=GramE><span lang=EN-US>—</span>棵度</span>为<span
lang=EN-US>3</span>的树中,若有<span lang=EN-US>2</span>个度为<span lang=EN-US>3</span>的结点,有<span
lang=EN-US>1</span>个度为<span lang=EN-US>2</span>的结点,则有<span lang=EN-US>__(9)__</span><span
class=GramE>个</span>度为<span lang=EN-US>0</span>的结点。<span lang=EN-US><br>
</span>  <span lang=EN-US>(9)A</span>.<span lang=EN-US>4</span>  <span
class=GramE> </span><span lang=EN-US>B</span>.<span lang=EN-US>5</span><span
class=GramE>    </span><span lang=EN-US>C</span>.<span lang=EN-US>6</span>  <span
class=GramE> </span><span lang=EN-US>D</span>.<span lang=EN-US>7<o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:
0pt'>  <span lang=EN-US>●</span>设结点<span lang=EN-US>x</span>和<span lang=EN-US>y</span>是二叉树中任意的两个结点,在该二叉树<span
class=GramE>的先根遍历</span>序列中<span lang=EN-US>x</span>在<span lang=EN-US>y</span>之前,而在其后根遍历序列中<span
lang=EN-US>x</span>在<span lang=EN-US>y</span>之后,则<span lang=EN-US>x</span>和<span
lang=EN-US>y</span>的关系是<span lang=EN-US>__(10)__</span>。<span lang=EN-US><br>
</span>  <span lang=EN-US>(10)A</span>.<span lang=EN-US>x</span>是<span
lang=EN-US>y</span>的左兄弟  <span class=GramE> </span><span lang=EN-US>B</span>.<span
lang=EN-US>x</span>是<span lang=EN-US>y</span>的右兄弟  <span class=GramE> </span><span
lang=EN-US>C</span>.<span lang=EN-US>x</span>是<span lang=EN-US>y</span>的祖先  <span
lang=EN-US>D</span>.<span lang=EN-US>x</span>是<span lang=EN-US>y</span>的后裔<span
lang=EN-US><o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='text-align:left;mso-pagination:widow-orphan'><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体;
color:black;mso-font-kerning:0pt'>  <span lang=EN-US>●</span>设顺序存储的某线性表共有<span
lang=EN-US>123</span>个元素,按分块查找的要求等分为<span lang=EN-US>3</span>块。若对索引表采用顺序查找方法来确定子块,且在确定的子块中也采用顺序查找方法,则在等概率的情况下,分块查找成功的平均查找长度为<span
lang=EN-US>__(11)__</span>。<span lang=EN-US>&nbsp;<br>
</span>  <span lang=EN-US>(11)A</span>.<span lang=EN-US>21</span>  <span
lang=EN-US>B</span>.<span lang=EN-US>23</span>  <span class=GramE> </span><span
lang=EN-US>C</span>.<span lang=EN-US>41</span>  <span class=GramE> </span><span
lang=EN-US>D</span>.<span lang=EN-US>62<br>
</span>  <span lang=EN-US>●</span>下图为一确定有限自动机<span lang=EN-US>(DFA)</span>的状态转换图,与该自动机等价的正规表达式是<span
lang=EN-US>__(12)__</span>,图中的<span lang=EN-US>__(13)__</span>是可以合并的状态<span
lang=EN-US>·&nbsp;<o:p></o:p></span></span></p>

<p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:
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<p class=MsoNormal align=left style='mso-margin-bottom-alt:auto;text-align:
left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt'>  <span
lang=EN-US>(12)A</span>.<span lang=EN-US>(<span class=SpellE>a|b</span>)<sup>*</sup>bb(a<sup>*</sup>b<sup>*</sup>)<sup>*</sup>
</span>  <span lang=EN-US>B</span>.<span lang=EN-US>(<span class=SpellE>a|b</span>)<sup>*</sup><span
class=SpellE>bba</span><sup>*</sup>|b<sup>*</sup><br>
</span><span class=GramE>    </span><span lang=EN-US>C</span>.<span lang=EN-US>(a<sup>*</sup>b<sup>*</sup>)bb(<span
class=SpellE>a|b</span>)<sup>*</sup> </span>  <span lang=EN-US> D</span>.<span
lang=EN-US>(<span class=SpellE>a|b</span>)<sup>*</sup>bb(a<sup>*</sup>|b<sup>*</sup>)<sup>*</sup>&nbsp;<br>
</span>  <span lang=EN-US>(13)A</span>.<span lang=EN-US>0</span>和<span
lang=EN-US>1</span> <span lang=EN-US> B</span>.<span lang=EN-US>2</span>和<span
lang=EN-US>3</span> <span lang=EN-US> C</span>.<span lang=EN-US>1</span>和<span
lang=EN-US>2</span>  <span lang=EN-US>D</span>.<span lang=EN-US>0</span>和<span
lang=EN-US>3<o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;margin-bottom:
3.0pt;text-align:left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:
0pt'>  <span lang=EN-US>●</span>已知有一维数组<span lang=EN-US>A[0..m*n-1]</span>,若要对应为<span
lang=EN-US> m </span>行、<span lang=EN-US>n </span>列的矩阵,则下面的对应关系<span lang=EN-US>__(14)__</span>可将元素<span
lang=EN-US>A[k](0≤k&lt;m*n)</span>表示成矩阵的第<span lang=EN-US> <span class=SpellE>i</span>
</span>行、第<span lang=EN-US>j</span>列的元素<span lang=EN-US>(0≤i&lt;m</span>,<span
lang=EN-US>0≤j&lt;n)</span>。<span lang=EN-US><br>
</span>  <span lang=EN-US>(14)A</span>.<span class=SpellE><span lang=EN-US>i</span></span><span
lang=EN-US>=k/<span class=SpellE>n,j</span>=k</span>%<span lang=EN-US>m</span>  <span
class=GramE> </span><span lang=EN-US>B</span>.<span class=SpellE><span
lang=EN-US>i</span></span><span lang=EN-US>=k/<span class=SpellE>m,j</span>=k</span>%<span
lang=EN-US>m</span>  <span lang=EN-US>C</span>.<span class=SpellE><span
lang=EN-US>i</span></span><span lang=EN-US>=k/<span class=SpellE>n,j</span>=</span>%<span
lang=EN-US>n</span>  <span lang=EN-US>D</span>.<span class=SpellE><span
lang=EN-US>i</span></span><span lang=EN-US>=k/<span class=SpellE>m,j</span>=k</span>%<span
lang=EN-US>n<br>
<br>
</span>  <span lang=EN-US>●</span>编译的优化工作对于下面程序段构造的控制流程图有<span lang=EN-US>__(15)__</span><span
class=GramE>个</span>基本块。<span lang=EN-US><o:p></o:p></span></span></p>

<div align=center>

<table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 width="51%"
 style='width:51.0%;mso-cellspacing:0cm;border:outset black 1.0pt;mso-border-alt:
 outset black .75pt;mso-padding-alt:0cm 0cm 0cm 0cm'>
 <tr style='mso-yfti-irow:0;mso-yfti-firstrow:yes;mso-yfti-lastrow:yes'>
  <td width="100%" style='width:100.0%;border:inset black 1.0pt;mso-border-alt:
  inset black .75pt;padding:0cm 0cm 0cm 0cm'>
  <p class=MsoNormal align=left style='text-align:left;mso-pagination:widow-orphan'><span
  style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:宋体;
  color:black;mso-font-kerning:0pt'>    <span lang=EN-US>A:</span>=<span
  lang=EN-US>0<br>
  </span><span class=GramE>    </span><span lang=EN-US>j:=100<br>
  </span><span class=GramE>    </span><span class=SpellE><span lang=EN-US>i</span></span><span
  lang=EN-US>:=1<br>
  loop1:</span> <span lang=EN-US>B:=j+1&nbsp;<br>
  </span><span class=GramE>    </span><span lang=EN-US>C:=<span class=SpellE>B+i</span><br>
  </span><span class=GramE>    </span><span lang=EN-US>A:=A+C<br>
  </span><span class=GramE>    </span><span lang=EN-US>if <span class=SpellE>i</span>=100
  <span class=SpellE>goto</span> loop2<br>
  </span><span class=GramE>    </span><span class=SpellE><span lang=EN-US>i</span></span><span
  lang=EN-US>:=i+1&nbsp;<br>
  </span><span class=GramE>    </span><span class=SpellE><span lang=EN-US>goto</span></span><span
  lang=EN-US> loop1<br>
  loop2:</span> <span lang=EN-US>write A<br>
  </span><span class=GramE>    </span><span lang=EN-US>halt<o:p></o:p></span></span></p>
  </td>
 </tr>
</table>

</div>

<p class=MsoNormal align=left style='margin-top:3.0pt;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:
0pt'>  <span lang=EN-US>(15)A</span>.<span lang=EN-US>1</span>  <span
lang=EN-US>B</span>.<span lang=EN-US>2</span>  <span lang=EN-US>C</span>.<span
lang=EN-US>3</span>  <span lang=EN-US>D</span>.<span lang=EN-US>4<o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:
0pt'>  <span lang=EN-US>●</span>文法<span lang=EN-US>G[S]:<span class=SpellE>S→xSx|y</span></span>所描述的语言是<span
lang=EN-US>__(16)__</span>(<span class=SpellE><span lang=EN-US>n≥O</span></span>)。<span
lang=EN-US><br>
</span>  <span lang=EN-US>(16)A</span>.<span lang=EN-US>(<span class=SpellE>xyx</span>)<sup>n</sup></span>  <span
lang=EN-US>B</span>.<span class=SpellE><span lang=EN-US>xyx<sup>n</sup></span></span>  <span
lang=EN-US>C</span>.<span class=SpellE><span lang=EN-US>xy<sup>n</sup>x</span></span>  <span
lang=EN-US>D</span>.<span class=SpellE><span class=GramE><span lang=EN-US>x<sup>n</sup>yx<sup>n</sup></span></span></span><span
lang=EN-US> <o:p></o:p></span></span></p>

<p class=MsoNormal align=left style='mso-margin-top-alt:auto;margin-bottom:
3.75pt;text-align:left;mso-pagination:widow-orphan'><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:
0pt'>  <span lang=EN-US>●</span>已知关系<span lang=EN-US>R</span>如下表所示,关系<span
lang=EN-US>R</span>的主属性为<span lang=EN-US>__(1)__</span>,候选关键字分别为<span
lang=EN-US>__(1)__</span>。<span lang=EN-US> <o:p></o:p></span></span></p>

<p class=MsoNormal align=center style='margin-bottom:4.5pt;text-align:center;
mso-pagination:widow-orphan'><span lang=EN-US style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt'>R <o:p></o:p></span></p>

<div align=center>

<table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 width="31%"
 style='width:31.0%;mso-cellspacing:0cm;border:outset black 1.0pt;mso-border-alt:
 outset black .75pt;mso-padding-alt:0cm 0cm 0cm 0cm'>
 <tr style='mso-yfti-irow:0;mso-yfti-firstrow:yes;height:12.0pt'>
  <td width="25%" style='width:25.0%;border:inset black 1.0pt;mso-border-alt:
  inset black .75pt;background:white;padding:0cm 0cm 0cm 0cm;height:12.0pt'>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:widow-orphan'><span
  lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-bidi-font-family:
  宋体;color:black;mso-font-kerning:0pt'>A<o:p></o:p></span></p>
  </td>

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