2007--2011国家计算机二级c语言历年真题及答案(4)

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conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be \n different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside developments, learn other people's development approach, and then come back to guide our work. Second, we must think. \ng without thought to overshadow, thinking without learning is perilous.\he character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom, especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain \old way doesn't work, the new approach would not\on, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. To change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of, and B）D,69

C）E,D

D）输出无定值（24）有以下程序 #include

void fun(int p) { int d=2;

p=d++; printf(“%d”,p);} main()

{ int a=1;

fun(a); printf(“%d\\n”,a);}

程序运行后的输出结果是 A）32 B）12 C）21 D）22

（25）以下函数findmax拟实现在数组中查找最大值并作为函数值返回，但程序中有错导致不能实现预定功能

#define MIN -

int findmax (int x[],int n)

{ int i,max;

for(i=0;i

return max; }

造成错误的原因是

A）定义语句int i,max;中max未赋初值

B）赋值语句max=MIN;中，不应给max赋MIN值 C）语句if(max

D）赋值语句max=MIN;放错了位置（26）有以下程序 #include main()

{ int m=1,n=2,*p=&m,*q=&n,*r; r=p;p=q;q=r;

printf(“%d,%d,%d,%d\\n”,m,n,*p,*q); }

ccording to Office Party of mass line education practice activities led group of unified arrangements, units main led to for cadres workers Shang a times party lecture, due to himself level limited, only put this stage concentrated learning of experience today and everyone common with learning exchange, purpose is let we further deep understanding mass line of connotation, insisted party of mass line, do masses work, following main from four a aspects told: a, and full awareness party of mass line education practice activities of major meaning Party's 18 major distinct proposed to focus on the party's advanced nature and purity, in the party, with \c and clean for the people\content of the party's mass line and educational practice. This is comrade XI Jinping as party General Secretary and adhere to strictly administering the party, strengthen the party's major decision is in line with the public expectations and strengthening the construction of learning-oriented service innovation of Marxist party's major deployment, is the important measure to advance the great cause of socialism with Chinese characteristics. First, carry out the party's mass line in education practice, was carrying 18 of the party spirit, summon a powerful force for realizing the great rejuvenation of the Chinese nation the Chinese dream of urgent needs. Party's 18 to promote strategic deployment to building socialism with Chinese characteristics, presents two 100-year goal, namely, by 2020 China's gross domestic product and per capita income of urban and rural residents in 2010 on the basis of double complete the building of a well-off society; the middle of this century into a prosperous, democratic, civilized and harmonious Socialist modern country, and on this basis, the Chinese dream of realizing the great rejuvenation of the Chinese nation. 18 Congress of the party, Comrade XI Jinping repeatedly expounded the Chinese dream. The basic connotation of the Chinese dream, is the national prosperity, national revitalization, the happiness of the people, China important to follow is to keep China Road, carry forward the spirit and cohesion strength of China, dream dreams of the people of China, but determined confidence, enhance self-awareness, achieve self-reliance, to build a stronger China, civilization, harmony, beauty, China, China, China. Strategic conception of China was 18 the spirit of the enrichment and development of the party, conscientiously study the Chinese dream, leading people to hard to realize the Chinese dream, mass education activities in depth the fundamental starting point and ending point. Strengthen the education of the party's mass line, helps to train the collective consciousness of the unity of the party and the people, playing the Chinese dream ideological bases. Comrade Mao Zedong stressed that parties should have \mon language\have \History has conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be \n different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside developments, learn other people's development approach, and then come back to guide our work. Second, we must think. \ng without thought to overshadow, thinking without learning is perilous.\he character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom, especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain \old way doesn't work, the new approach would not\on, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. o change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of, and 程序运行后的输出结果是

A）1,2,1,2 B）1,2,2,1 C）2,1,2,1 D）2,1,1,2

（27）若有定义语句：int a[4][10],*p,*q[4];且0≤i<4，则错误的赋值是

A）p=a

B）q[i]=a[i] C）p=a[i]

D）p=&a[2][1]

（28）有以下程序 #include #include main()

{ char str[ ][20]={“One*World”, “One*Dream!”},*p=str[1]; printf(“%d,”,strlen(p));printf(“%s\\n”,p); }

程序运行后的输出结果是 A）9,One*World

B）9,One*Dream C）10,One*Dream D）10,One*World （29）有以下程序 #include main()

{ int a[ ]={2,3,5,4},i; for(i=0;i<4;i++) switch(i%2)

{ case 0:switch(a[i]%2)

{case 0:a[i]++;break; case 1:a[i]--; }break;

case 1:a[i[=0; }

for(i=0;i<4;i++) printf(“%d”,a[i]); printf(“\\n”); }

A）3 3 4 4

ccording to Office Party of mass line education practice activities led group of unified arrangements, units main led to for cadres workers Shang a times party lecture, due to himself level limited, only put this stage concentrated learning of experience today and everyone common with learning exchange, purpose is let we further deep understanding mass line of connotation, insisted party of mass line, do masses work, following main from four a aspects told: a, and full awareness party of mass line education practice activities of major meaning Party's 18 major distinct proposed to focus on the party's advanced nature and purity, in the party, with \c and clean for the people\content of the party's mass line and educational practice. This is comrade XI Jinping as party General Secretary and adhere to strictly administering the party, strengthen the party's major decision is in line with the public expectations and strengthening the construction of learning-oriented service innovation of Marxist party's major deployment, is the important measure to advance the great cause of socialism with Chinese characteristics. First, carry out the party's mass line in education practice, was carrying 18 of the party spirit, summon a powerful force for realizing the great rejuvenation of the Chinese nation the Chinese dream of urgent needs. Party's 18 to promote strategic deployment to building socialism with Chinese characteristics, presents two 100-year goal, namely, by 2020 China's gross domestic product and per capita income of urban and rural residents in 2010 on the basis of double complete the building of a well-off society; the middle of this century into a prosperous, democratic, civilized and harmonious Socialist modern country, and on this basis, the Chinese dream of realizing the great rejuvenation of the Chinese nation. 18 Congress of the party, Comrade XI Jinping repeatedly expounded the Chinese dream. The basic connotation of the Chinese dream, is the national prosperity, national revitalization, the happiness of the people, China important to follow is to keep China Road, carry forward the spirit and cohesion strength of China, dream dreams of the people of China, but determined confidence, enhance self-awareness, achieve self-reliance, to build a stronger China, civilization, harmony, beauty, China, China, China. Strategic conception of China was 18 the spirit of the enrichment and development of the party, conscientiously study the Chinese dream, leading people to hard to realize the Chinese dream, mass education activities in depth the fundamental starting point and ending point. Strengthen the education of the party's mass line, helps to train the collective consciousness of the unity of the party and the people, playing the Chinese dream ideological bases. Comrade Mao Zedong stressed that parties should have \mon language\have \History has conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be \n different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside developments, learn other people's development approach, and then come back to guide our work. Second, we must think. \ng without thought to overshadow, thinking without learning is perilous.\he character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom, especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain \old way doesn't work, the new approach would not\on, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. To change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of, and B）2 0 5 0

C）3 0 4 0 D）0 3 0 4

（30）有以下程序 #include #include main()

{ char a[10]=”abcd”;

printf(“%d,%d\\n”,strlen(a),sizeof(a)); }

程序运行后的输出结果是

A）7,4 B）4,10 C）8,8 D）10,10

（31）下面是有关C语言字符数组的描述，其中错误的是 A）不可以用赋值语句给字符数组名赋字符串

B）可以用输入语句把字符串整体输入给字符数组 C）字符数组中的内容不一定是字符串 D）字符数组只能存放字符串

（32）下列函数的功能是 fun(char * a,char * b)

{ while((*b=*a)!=’\\0’) {a++,b++;} } A）将a所指字符串赋给b所指空间 B）使指针b指向a所指字符串

C）将a所指字符串和b所指字符串进行比较 D）检查a和b所指字符串中是否有’\\0’ （33）设有以下函数

void fun(int n,char * s) {……}

则下面对函数指针的定义和赋值均是正确的是 A）void (*pf)(); pf=fun; B）viod *pf(); pf=fun; C）void *pf(); *pf=fun;

D）void (*pf)(int,char);pf=&fun; （34）有以下程序 #include

int f(int n); main()

s=f(a);s=s+f(a);printf(“%d\\n”,s); }

int f(int n)

{ static int a=1; n+=a++; return n; }

程序运行以后的输出结果是 A）7 B）8

C）9 D）10

（35）有以下程序 #include

#define f(x) x*x*x main()

{ int a=3,s,t;

s=f(a+1);t=f((a+1));

printf(“%d,%d\\n’,s,t);

}

程序运行后的输出结果是 A）10,64 B）10,10 C）64,10 D）64,64

（36）下面结构体的定义语句中，错误的是

A）struct ord {int x;int y;int z;}; struct ord a; B）struct ord {int x;int y;int z;} struct ord a; C）struct ord {int x;int y;int z;} a;

D）struct {int x;int y;int z;} a; （37）设有定义：char *c;，以下选项中能够使字符型指针c正确指向一个字符串的是

A）char str[ ]=”string”;c=str; B）scanf(“%s”,c); C）c=getchar(); D）*c=”string”; （38）有以下程序

ccording to Office Party of mass line education practice activities led group of unified arrangements, units main led to for cadres workers Shang a times party lecture, due to himself level limited, only put this stage concentrated learning of experience today and everyone common with learning exchange, purpose is let we further deep understanding mass line of connotation, insisted party of mass line, do masses work, following main from four a aspects told: a, and full awareness party of mass line education practice activities of major meaning Party's 18 major distinct proposed to focus on the party's advanced nature and purity, in the party, with \c and clean for the people\content of the party's mass line and educational practice. This is comrade XI Jinping as party General Secretary and adhere to strictly administering the party, strengthen the party's major decision is in line with the public expectations and strengthening the construction of learning-oriented service innovation of Marxist party's major deployment, is the important measure to advance the great cause of socialism with Chinese characteristics. First, carry out the party's mass line in education practice, was carrying 18 of the party spirit, summon a powerful force for realizing the great rejuvenation of the Chinese nation the Chinese dream of urgent needs. Party's 18 to promote strategic deployment to building socialism with Chinese characteristics, presents two 100-year goal, namely, by 2020 China's gross domestic product and per capita income of urban and rural residents in 2010 on the basis of double complete the building of a well-off society; the middle of this century into a prosperous, democratic, civilized and harmonious Socialist modern country, and on this basis, the Chinese dream of realizing the great rejuvenation of the Chinese nation. 18 Congress of the party, Comrade XI Jinping repeatedly expounded the Chinese dream. The basic connotation of the Chinese dream, is the national prosperity, national revitalization, the happiness of the people, China important to follow is to keep China Road, carry forward the spirit and cohesion strength of China, dream dreams of the people of China, but determined confidence, enhance self-awareness, achieve self-reliance, to build a stronger China, civilization, harmony, beauty, China, China, China. Strategic conception of China was 18 the spirit of the enrichment and development of the party, conscientiously study the Chinese dream, leading people to hard to realize the Chinese dream, mass education activities in depth the fundamental starting point and ending point. Strengthen the education of the party's mass line, helps to train the collective consciousness of the unity of the party and the people, playing the Chinese dream ideological bases. Comrade Mao Zedong stressed that parties should have \mon language\have \History has conferences, learned superiors policies; reports, you can learn to deal with problems, art, just wanted to learn, to learn at any time. To continuously expand the scope of the study. The complexity and comprehensiveness of our work, decided to not only do we want to be \n different areas of knowledge. Mastery of knowledge not only to have knowledge to rational analysis. This on requirements we, not only to learning national of route, and approach, and policy, also to learning national of legal, and regulations; not only to with political theory armed mind, also to with economic theory guide work; not only to read history, also to read history; not only to absorption SM of mirror, also to gets is of road; not only to from local learn, also to to outside learn; not only to to books learn, also to field study learn. Therefore, I would encourage you, and more to the outside world when I have time to take a look at, take a stroll, outside developments, learn other people's development approach, and then come back to guide our work. Second, we must think. \ng without thought to overshadow, thinking without learning is perilous.\he character of advancing with the times, forge ahead, often reflect themselves in adapting to the new situation on whether there are delays, have anything to fear in the reform and innovation, whether in terms of accelerating the development of a relaxation, keep promising State of mind. In order to do investigations, investigations is the road to heaven, God disposes of the base. To wants to real heard truth, and justice to truth, and get truth, received effectiveness, on must in-depth actual, and outreach, and in-depth masses, worship masses for Division, and masses heart, with masses with discussion everyone care of problem, listening they of calls, understand they of mood, feel they of suffering, summary they of experience, concentrated they of wisdom, especially on masses most hope, and most urgent, and most worries, and most complained of hot, and difficulties and focus problem, more to active research, caught not put. Dare to innovate, in our work, often remain \old way doesn't work, the new approach would not\on, the reason, the key is that many people know that copying other people's ideas, mechanically, using someone else's old ways. To change this predicament, requires us to break the shackles of traditional concepts to overcome conservative, conformist, good at finding new problems and to accept new things, summarize new experience, new ideas, developing new programmes and Maverick, a new approach to solve problems, speed up development. Especially in implement superior policy spirit of process in the, both implementation, and cannot mechanically, to to extraordinary of courage and develop enterprising of spirit, put flexibility and principle combined up, put superior of spirit and local reality combined up, Yong conspiracy to breakthrough of policy, and exercise innovation of lift, developed out development works of, and grass-roots welcomes of, and #include

#include struct A

{ int a; char b[10]; double c;}; struct A f(struct A t); main()

{ struct A a={1001,”ZhangDa”,1098.0};

a=f(a);jprintf(“%d,%s,%6.1f\\n”,a.a,a.b,a.c); }

struct A f(struct A t)

( t.a=1002;strcpy(t.b,”ChangRong”);t.c=1202.0;return t; ) 程序运行后的输出结果是 A）1001,ZhangDa,1098.0 B）1001,ZhangDa,1202.0 C）1001,ChangRong,1098.0 D）1001,ChangRong,1202.0 （39）若有以下程序段 int r=8;

printf(“%d\\n”,r>>1); 输出结果是

A）16 B）8 C）4 D）2

（40）下列关于C语言文件的叙述中正确的是

A）文件由一系列数据依次排列组成，只能构成二进制文件 B）文件由结构序列组成，可以构成二进制文件或文本文件 C）文件由数据序列组成，可以构成二进制文件或文本文件 D）文件由字符序列组成，其类型只能是文本文件二、填空题（每空2分，共30分）

（1）某二叉树有5个度为2的结点以及3个度为1的结点，则该二叉树中共有【1】个结点。

（2）程序流程图中的菱形框表示的是【2】。（3）软件开发过程主要分为需求分析、设计、编码与测试四个阶段，其中【3】阶段产生“软件需求规格说明书。

（4）在数据库技术中，实体集之间的联系可以是一对一或一对多或多对多的，那么“学生”和“可选课程”的联系为【4】。

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