五邑大学--专插本_c语言程序设计_考卷讲解学习

五邑大学--专插本_c语言程序设计_考卷讲解学习
五邑大学--专插本_c语言程序设计_考卷讲解学习

五邑大学--2015专插本_C语言程序设计_

考卷

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五邑大学2015年通信工程(计算机通信网络)专业

本科插班生招生考试《C 语言程序设计》试题

考试形式为闭卷、笔试。考试时间为120分钟,试卷满分为100分。

一 判断题,正确划√,错误划×。(每题1分,共10分)

1.C 语言的源程序不必通过编译就可以直接运行。( )

2.在C语言中用到的任何一个变量都要规定其类型。( )

3.C语言的标识符只能使用字母、数字和下划线三类字符,且第1位不能是数字字符。( )

4.continue 语句用在循环体中,可使整个循环不结束。( )

5.静态局部变量只在本函数内可用。( )

谢谢3

6.在do-while 循环中,任何情况下都不能省略while 。( )

7.char *p="girl";的含义是定义字符型指针变量p ,p 的值是字符串"girl"。( )

8.用fopen("file","r+"); 打开的文件"file"不能修改。( )

9.一个共用体变量只能存放其中一个成员的值。( )

10.在不出现溢出的情况下,将一个数左移n 位,相当于给它扩大2n 倍。( )

二 单项选择题,错选、漏选、多选不得分。(每题2分,共40分)

1.下面关于"A"的说法正确的是( )。

A ) 它代表一个字符常量

B ) 它代表一个字符串常量

C ) 它代表一个字符

D ) 它代表一个变量

2.若以下选项中的变量已正确定义,则正确的赋值语句是( )。

A ) x1=26.8%3 ;

B ) 1+2=x2 ;

C ) x3=0x12 ;

D ) x4=1+2=3;

3.为表示关系x ≥y ≥z ,正确C 语言表达式是( )。

A ) (x>=y)&&(y>=z)

B ) (x>=y) AND (y>=z)

C ) (x>=y>=z)

D ) (x>=z)&(y>=z)

4.设 a=5,b=6,c=7,d=8,m=2,n=2, 则执行 (m=a>b)&&(n=c

A ) 1

B ) 2

C ) 3

D ) 4

5.设a=8、b=13,则printf("%d",(a>b)?a:b); 则输出结果是 ( )。

A) 5 B) 8

C) 13 D) 21

6.在C语言中要求参加运算的数必须是整数的运算符是()。

A) / B) !

C) % D) = =

7.设整型变量a为5,使b不为2的表达式是( )。

A) b=a/2 B) b=5-(---- a)

C) b=a>3?2:1 D) b=a%2

8.若x=5,y=4 则y*=x+5; y的值为( )。

A) 40 B) 20

C) 15 D) 30

9.关于break语句的正确说法是( )。

A)无论在任何情况下,都中断程序的执行,退出到系统下一层。

B)在多重循环中,只能退出最靠近的那一层循环语句。

C)跳出多重循环。

D)只能修改控制变量。

10.设有定义:float a=2,b=4,h=3;,以下C语言表达式与代数式计算结果不相符的是()。

A) (a+b)*h/2 B) (1/2)*(a+b)*h

C) (a+b)*h*1/2 D) h/2*(a+b)

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11. 有定义语句:

int b;

char c[10];

则正确的输入语句是 ( )。

A ) scanf("%d%s",&b,&c);

B ) scanf("%d%s",&b,c);

C ) scanf("%d%s",b,c);

D ) scanf("%d%s",b,&c); 12.

设有如下定义:

struct sk { int a; float b;

}data; int *p;

若要使指针p 指向data 中的a 域,正确的赋值语句是( )。 A ) p=&a; B ) p=data.a; C ) p=&data.a;

D )*p=data.a

13.以下对数组初始化中哪个是不正确的。( )

A ) char ch[]={“C program!”};

B ) int num[][3]={2,4,6,8,10,12,14,16,18}; C) char ch[5]={‘C’,’h’,’i’,’n’,’a’}; D) int num[3][]={1,3,5,7,9,11,13,15,17};

14.C 语言用( )表示逻辑“真”值。

A). true

B). T 或 Y

C). 非零整型值

D). 整型值0

15.以下为非法操作的是( )。

A ) int i; i=100;

B ) int i=100;

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9. 可判断变量 a为正,b为负的正确表达式是 ( )。 A) a*b <0 B) (a>0||b >0)&&a*b <0 C) (a<0||b<0)&&a*b <0 D) a>0&&a*b<0 10. 在C语言中要求参加运算的数必须是整数的运算符是()。 A) / B) ! C) % D) = = 11. 下列程序段中while循环体执行的次数是()。 int k=0; while(k=1) k++; A)一次也不执行 B)只执行一次 C)有语法错,不能执行 D)无限次 12. 若有以下说明,且0≤i<10,则对数组元素的错误引用是()。 int a[]={1,2,3,4,5,6,7,8,9,10},*p=a,i; A) *(a+i) B) p+i C) a[p-a+i] D) *(&a[i]) 13.有定义语句: int b; char c[10]; 则正确的输入语句是 ( )。 A) scanf("%d%s",&b,&c); B) scanf("%d%s",&b,c); C) scanf("%d%s",b,c); D) scanf("%d%s",b,&c); 14. 设有如下定义: struct sk { int a; float b; }data; int *p; 若要使p指向data中的a域,正确的赋值语句是( )。

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