题目内容

以下程序的功能是:从键盘上输入若干个学生的成绩,统计并输出最高成绩和最低成绩,当输入负数时结束输入。请填空。#includevoidmain(){floatx,amax,amin;scanf("%f",&x);amax=x;amin=x;while(________){if(x>amax)amax=x;if(x

A. x<=0scanf("%d",&x)
B. x>0getchar(x)
C. x>=0scanf("%d",&x)
D. x>0scanf("%f",&x)

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下面程序的功能是:输出100以内能被3整除且个位数为6的所有整数,请填空。#includevoidmain(){inti,j;for(i=0;;i++){j=i*10+6;if(_)continue;printf("%d",j);}}

A. i<=10j%3!=0
B. i<10j/3
C. i<10j%3!=0
D. i<=9i%3

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运行以下程序后,如果从键盘上输入12,8<回车>,则输出结果为()。#includevoidmain(){inta,b,n1,n2,t;scanf("%d,%d",&n1,&n2);if(n1>n2){t=n1;n1=n2;n2=t; }a=n1;b=n2;while(b!=0){t=a%b; a=b; b=t;}printf("%d,%d\n", a, n1*n2/a);}

A. 2,6
B. 4,24
C. 4,12
D. 8,96

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Question 1

A. Working.
B. Shopping.
Chatting.
D. Playing games.

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Question 2

A. Because she can't speak any foreign language.
Because she is busy.
C. Because she thinks it's a waste of time.
D. Because her husband doesn't allow her to do that.

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以下程序的功能是:从键盘上输入若干个学生的成绩,统计并输出最高成绩和最低成绩,当输入负数时结束输入。请填空。#includevoidmain(){floatx,amax,amin;scanf("%f",&x);amax=x;amin=x;while(________){if(x>amax)amax=x;if(x

A. x<=0scanf("%d",&x) B. x>0getchar(x) C. x>=0scanf("%d",&x) D. x>0scanf("%f",&x)

下面程序的功能是:输出100以内能被3整除且个位数为6的所有整数,请填空。#includevoidmain(){inti,j;for(i=0;______;i++){j=i*10+6;if(_______)continue;printf("%d",j);}}

运行以下程序后,如果从键盘上输入12,8<回车>,则输出结果为()。#includevoidmain(){inta,b,n1,n2,t;scanf("%d,%d",&n1,&n2);if(n1>n2){t=n1;n1=n2;n2=t; }a=n1;b=n2;while(b!=0){t=a%b; a=b; b=t;}printf("%d,%d\n", a, n1*n2/a);}

Question 1

Question 2

A. x<=0scanf("%d",&x)
B. x>0getchar(x)
C. x>=0scanf("%d",&x)
D. x>0scanf("%f",&x)

下面程序的功能是:输出100以内能被3整除且个位数为6的所有整数,请填空。#includevoidmain(){inti,j;for(i=0;;i++){j=i*10+6;if(_)continue;printf("%d",j);}}