2007--2011国家计算机二级c语言历年真题及答案(7)

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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. 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 { if（x==y） return（x）;

else returen（（x+y）/2） }

main（）

{ int a=4,b=5,c=6;

printf（“%d\\n”,fun（2*a,fun（b,c））） }

程序运行后的输出结果是 A）3 B）6 C）8 D）12

（34）设函数中有整型变量n，为保证其在未赋值的情况下初值为0，应选择的存储类别是 A）auto

B） register C）static

D）auto或register （35）有以下程序 #include int b=2;

int fun（int *k）

{ b=*k+b;return（b）;} main（）

{ int a[10]={1,2,3,4,5,6,7,8},I;

for（i=2;i<4;i++） {b=fun（&a）+b;printf（“%d”,b）;}

printf（“\\n”）; }

程序运行后输出的结果是 A）10 12

B）8 10 C）10 28 D）10 16

（36）有以下程序 #include

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 #define PT 3.5;

#define S（x） PT*x*x; mian（）

{ int a=1, b=2; printf（“%4.1f\\n”,S（a+b））;} 程序运行后输出的结果是 A）14.0 B）31.5 C）7.5

D）程序有错无输出结果（37）有以下程序 #include struct ord

{ int x,y;} dt[2]={1,2,3,4}; main（）

{ struct ord *p=dt;

printf（“%d,”,++p->x）; printf（“%d\\n”,++p->y）; }

程序的运行结果是 A）1,2 B）2,3 C）3,4 D）4,1

（38）设有宏定义：#include

IsDIV（k,n）（（k%n==1）?1:0且变量m已正确定义并赋值，则宏调用：IsDIV（m,5）&& IsDIV（m,7）为真时所要表达的是 A）判断m是否能被5或者7整除 B）判断m是否能被5和7整除 C）判断m被5或者7整除是否余1 D）判断m被5和7整除是否余1 （39）有以下程序 #include main（）

{ int a=5,b=1,t;

t=（a<<2|b）; printf（“%d\\n”,t） }

程序运行后的输出结果是 A）21 B）11 C）6 D）1

（40）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. 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 #include main（） { EILE *f;

f=fopen（“filea.txt”,”w”）;

fprintf（f,”abc”）;

fclose（f）; }

若文本文件filea.txt中原有内容为：hello，则运行以上程序后，文件filea.txt中的内容为 A） helloabc B）abclo C）abc

D）abchello

二、填空题（每空2分，共30分）

请将每一个空的正确答案写在答题卡【1】至【15】序号的横线上，答在试卷上不得分。

（1）假设一个长度为50的数组（数组元素的下标从0到49）作为栈的存储空间，栈底指针bottom指向栈底元素，栈顶指针top指向栈顶元素，如果bottom=49，top=30（数组下标），则栈中具有【1】个元素。

（2）软件测试可分为白盒测试和黑盒测试。基本路径测试属于【2】测试。（3）符合结构化原则的三种基本控制结构是：选择结构、循环结构和【3】。

（4）数据库系统的核心是【4】

（5）在E-R图中，图形包括矩形框、菱形框、椭圆框。其中表示实体联系的是【5】框。

（6）表达式（int）（（double）（5/2）+2.5）的值是【6】

（7）若变量x、y已定义为int类型且x的值为99，y的值为9，请将输出语句printf（【7】，x/y）;补充完整，使其输出的计算结果形式为：x/y=11 (8)有以下程序

#include main( ) {

char c1,c2;

scanf(“&c”,&c1);

while(c1<65||c1>90) scanf(“&c”,&c1);

c2=c1+32;

printf(“&c, &c\\n”,c1,c2); }

程序运行输入65回车后，能否输出结果、结束运行（请回答能或不能）【8】。

（9）以下程序运行后的输出结果是【9】 #include main( )

{int k=1，s=0； do{

if{（（k&2）！=0）continue； s+=k；k++；

}while（k）10）；

printf（“s=&d/n”,s）; }

(10)下列程序运行时，若输入labced12df<回车>输出结果为【10】

#include main( ) {char a =0,ch;

while((ch=getchar())!=’\\n’)

{if(a&2!=0&&(ch>’a’&&ch<=’z’)) ch=ch-‘a’+’A’; a++;putchar(ch); }

printf(“\\n”); }

(11)有以下程序，程序执行后，输出结果是【11】 #include void fun (int *a) {a[0=a[1];]} main()

{int a[10]={10,9,8,7,6,5,4,3,2,1},i; for(i=2;i>=0;i--) fun{&a};

for(i=0;i<10;i++) printf(“&d”,a); printf(“\\n”); }

(12)请将以下程序中的函数声明语句补充完整 #include int【12】；

main( )

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 {int x,y,(*p)(); p=max;

printf(“&d\\n”,&x,&y); }

Int max(int a,int b) {return (a>b/a:b);}

(13)以下程序用来判断指定文件是否能正常打开，请填空 #include main( ) {FILE *fp;

if (((fp=fopen(“test.txt”,”r”))==【13】)) printf（“未能打开文件！\\n”）； else

printf(“文件打开成功！\\n”); (14)下列程序的运行结果为【14】 #include #include struct A

{int a;char b[10];double c;}; void

f (struct A *t); main()

{struct A a=(1001,”ZhangDa”,1098,0);

f(&a);printf(“&d,&s,&6,if\\n”,a.a,a.b,a.c); }

void f(struct A *t)

{strcpy(t->b,”ChangRong”); }

(15)以下程序把三个NODETYPE型的变量链接成一个简单的链表，并在while循环中输出链表结点数据域中的数据，请填空 #include struct node

{int data; struct node *next;}; typedef struct node NODETYPE; main()

{NODETYPE a,b,c,*h,*p; a.

data=10;b.data=20;c.data=30;h=&a; b.

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