《c++程序设计语言》练习题.htm

这个是北京邮电大学关于C++的考试题库

style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">指出的大小</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt"> </SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">C. </SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">给出的范围</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">D.</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">标识某个成员是属于哪一类的</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">9</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">VC++ </SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">源程序的文件的扩展名是：</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">A</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">.BAS&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
B. .EXE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. 
.H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. .CPP </SPAN></P>
<P class=MsoNormal><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">二、判断下列语句的对错：</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">1</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN style="FONT-SIZE: 12pt"> 
</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">面向对象方法的三大特性，封装性，继承性，多态性。</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">2</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．机器语言和汇编语言都是计算机可以直接识别的语言。</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">3</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">C++</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">语言允许函数重载，有允许设置默认的参数值，而</SPAN><SPAN 
lang=EN-US style="FONT-SIZE: 12pt">C</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">不可以。</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">4</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">C++</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">语言只支持封装性，继承性，不支持多态性。</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">5</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">C++</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">语言对</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">C</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">语言做了一些改进，增加了运算符和关键字，并且对类型管理更加严格。</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">6</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">C++</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">语言编写时应该注意格式，否则影响可读性。</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">7</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">C++</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">语言是一种解释方式的高级语言。</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">8</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">C++</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">源程序只能在编译时出现错误信息，而在连接时不会出现。</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">9</SPAN><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">．类是用户定义的一种数据类型。</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">三、写出下列程序中的类、成员变量和成员函数的名称：</SPAN><SPAN 
lang=EN-US style="FONT-SIZE: 12pt"> </SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">class 
max1</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">{</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">public:</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int 
a,b,c;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; max(int x,int 
y);</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">&nbsp;};</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">int max1::max(int 
x,int y) </SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">{int 
z;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">if (x&gt;=y) 
z=x;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">else z=y;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 12pt">return(z);</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">}</SPAN></P>
<P class=MsoNormal style="MARGIN-TOP: 7.8pt"><SPAN 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">四、写出下列程序的输出结果：</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">1．# 
include &lt;iostream.h&gt;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">void main()</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">{</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">&nbsp;&nbsp; int a;a=3;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">&nbsp;&nbsp; a+=a-=a*a;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">&nbsp;&nbsp; 
cout&lt;&lt;"a="&lt;&lt;a&lt;&lt;endl;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">}</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">2．# 
include &lt;iostream.h&gt;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">void main()</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">{</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">&nbsp;&nbsp; int x,y,t;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">&nbsp;&nbsp; x=y=3;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">&nbsp;&nbsp; t=++x||++y;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">&nbsp;&nbsp; 
cout&lt;&lt;"y="&lt;&lt;y&lt;&lt;endl;</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US 
style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体">}</SPAN></P></BODY></HTML>