成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">4、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">正规式的运算符</span><span lang="EN-US">“|”</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">读作</span><span lang="EN-US">“</span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">或</span><span lang="EN-US">”</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoPlainText" style="line-height:18.0pt;mso-pagination:widow-orphan">15、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">削减运算强度破坏了临时变量在一基本块内仅被定义一次的特性。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">11、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">每一个</span><span lang="EN-US">NFA</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">都对应有唯一的一个最小化的</span><span lang="EN-US">DFA</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="margin-bottom:7.5pt;text-align:left; mso-pagination:widow-orphan;background:white">18、<span style="font-family:Microsoft Yahei; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">文法</span><span lang="EN-US">G</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">：</span><span lang="EN-US">E→E+E|E*E|(E)|i</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">具有二义性，主要的原因在于其文法中没有体现运算符的优先次序和结合性。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">20、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">对任何一个编译程序来说，代码优化是不可缺少的一部分。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoPlainText" style="line-height:18.0pt;mso-pagination:widow-orphan">10、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"">逆波兰法表示的表达<span style="mso-bidi-font-weight:bold">式亦称前</span>缀式。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoPlainText" style="line-height:18.0000pt;">21、<span style="mso-spacerun:'yes';font-family:'Times New Roman';mso-hansi-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">有文法<font face="Times New Roman">G[S]</font><font face="宋体">：</font><font face="Times New Roman">S</font><font face="宋体">→</font><font face="Times New Roman">aA|a|bB A</font><font face="宋体">→</font><font face="Times New Roman">aS B</font><font face="宋体">→</font><font face="Times New Roman">aB|bS</font></span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span><span style="mso-spacerun:'yes';font-family:'Times New Roman';mso-hansi-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">则<font face="Times New Roman">____</font><font face="宋体">为</font><font face="Times New Roman">L(G)</font><font face="宋体">中的句子。</font></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoPlainText" style="line-height:20.0000pt;mso-line-height-rule:exactly;">28、<span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">在编译程序常用的语法分析方法中，</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';mso-hansi-font-family:Microsoft Yahei;mso-bidi-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">算符优先</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">分析法属于</span><u><span style="mso-spacerun:'yes';font-family:'Times New Roman';text-decoration:underline;text-underline:single;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span></u><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">分析方法。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">23、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">设有如图所示的有穷自动机。其中状态①为初态，状态⑤为终态。假设<font face="Times New Roman">digit</font><font face="宋体">代表数字</font><font face="Times New Roman">0</font><font face="宋体">到</font><font face="Times New Roman">9</font><font face="宋体">。则下述实数中</font></span><u><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;text-decoration:underline;text-underline:single;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span></u><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">可被该有穷自动机接受。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"><img width="672" height="106" src="http://wljy.whut.edu.cn:80/uploadfiles/word/BYYL.files/BYYL17765.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p> </o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0000pt;mso-line-height-rule:exactly;">35、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">合并表达式中的常量运算的目的是</span><u><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;text-decoration:underline;text-underline:single;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> </span></u><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">。</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>