• 2022-06-01 问题

    What is it ? (9:15) It’s ___________________________.

    What is it ? (9:15) It’s ___________________________.

  • 2022-06-07 问题

    M: I’d like to make an appointment to see Doctor Smith.W: Ok. Let’s see. He’s available on Tuesday or Thursday.M: Thursday would be better for me.W: Morning or afternoonM: In the morning, if possible.W: How does 9: 15 soundM: 9: 15 Thursday. That’s fine. What time will the man see the doctor() A: 9: 15 Tuesday. B: 9: 15 Thursday. C: 15: 00 Thursday.

    M: I’d like to make an appointment to see Doctor Smith.W: Ok. Let’s see. He’s available on Tuesday or Thursday.M: Thursday would be better for me.W: Morning or afternoonM: In the morning, if possible.W: How does 9: 15 soundM: 9: 15 Thursday. That’s fine. What time will the man see the doctor() A: 9: 15 Tuesday. B: 9: 15 Thursday. C: 15: 00 Thursday.

  • 2022-10-30 问题

    接受语言{任何不是0开头的奇正整数的集合} 的 CFG文法为 ( ) A: S→J|ABJ, B→0B|AB|e, A→J|2|4|6|8, J→1|3|5|7|9 B: S→J|ABJ, B→0B|AB|e, A→J|0|2|4|6|8, J→1|3|5|7|9 C: S→J|ABJ, B→0B|AB, A→J|2|4|6|8, J→1|3|5|7|9 D: S→J|ABJ, B→0B|e, A→J|2|4|6|8, J→1|3|5|7|9

    接受语言{任何不是0开头的奇正整数的集合} 的 CFG文法为 ( ) A: S→J|ABJ, B→0B|AB|e, A→J|2|4|6|8, J→1|3|5|7|9 B: S→J|ABJ, B→0B|AB|e, A→J|0|2|4|6|8, J→1|3|5|7|9 C: S→J|ABJ, B→0B|AB, A→J|2|4|6|8, J→1|3|5|7|9 D: S→J|ABJ, B→0B|e, A→J|2|4|6|8, J→1|3|5|7|9

  • 2022-07-28 问题

    inti=9,j=12求i∣j的值() A: 5 B: 8 C: 13 D: 15

    inti=9,j=12求i∣j的值() A: 5 B: 8 C: 13 D: 15

  • 2022-07-02 问题

    以下程序段的输出结果是intk,j,s;for(k=2;k<6;k++,k++){s=1;for(j=k;j<6;j++)s+=j;}printf("%d",s); A: 11 B: 10 C: 9 D: 1

    以下程序段的输出结果是intk,j,s;for(k=2;k<6;k++,k++){s=1;for(j=k;j<6;j++)s+=j;}printf("%d",s); A: 11 B: 10 C: 9 D: 1

  • 2021-04-14 问题

    以下程序的输出是 ___。main() {char a[2][5]={”6937”,”8254”}; int i,j,s=0; for ( i = 0; i < 2; i++ ) for ( j = 0; a[i][j]>’0’ && a[i][j]<=’9’; j+=2 ) s=10*s+a[i][j]-’0’; printf(”s=%d\n”,s);}

    以下程序的输出是 ___。main() {char a[2][5]={”6937”,”8254”}; int i,j,s=0; for ( i = 0; i < 2; i++ ) for ( j = 0; a[i][j]>’0’ && a[i][j]<=’9’; j+=2 ) s=10*s+a[i][j]-’0’; printf(”s=%d\n”,s);}

  • 2021-04-14 问题

    以下程序的功能是将字符串中的数字字符删除后输出,请填空:#includevoiddelnum(char*s){inti,j;for(i=0,j=0;s[i]!='';i++)if(s[i]<'0'______s[i]>'9'){s[j]=s[i];j++;}s[j]=______;}voidmain(){charitem[80]="abc123def45gh";delnum(item);printf(" %s",______);}

    以下程序的功能是将字符串中的数字字符删除后输出,请填空:#includevoiddelnum(char*s){inti,j;for(i=0,j=0;s[i]!='';i++)if(s[i]<'0'______s[i]>'9'){s[j]=s[i];j++;}s[j]=______;}voidmain(){charitem[80]="abc123def45gh";delnum(item);printf(" %s",______);}

  • 2021-04-14 问题

    下面程序的运行结果是(). void delch(char *s) { int i,j; char *a; a=s; for(i=0,j=0;a[i]!='\0';i++) if(a[i]>='0'&&a[i]<='9') {s[j]=a[i];j++;} s[j]='\0'; } main() { char *item="a34bc"; delch(item); printf("\n%s",item); }

    下面程序的运行结果是(). void delch(char *s) { int i,j; char *a; a=s; for(i=0,j=0;a[i]!='\0';i++) if(a[i]>='0'&&a[i]<='9') {s[j]=a[i];j++;} s[j]='\0'; } main() { char *item="a34bc"; delch(item); printf("\n%s",item); }

  • 2022-07-02 问题

    以下程序段:( ) int k,j,s; for(k=2;k<6;k++,k++) { s=1; for(j=k;j<6;j++) s+=j; } printf(“%d\n”,s); 其输出结果是 A: 9 B: 1 C: 11 D: 10

    以下程序段:( ) int k,j,s; for(k=2;k<6;k++,k++) { s=1; for(j=k;j<6;j++) s+=j; } printf(“%d\n”,s); 其输出结果是 A: 9 B: 1 C: 11 D: 10

  • 2022-05-29 问题

    设已定义chara&#91;10&#93;和intj,则下面输入函数调用中错误的是() A: scanf(“%s”,a); B: for(j=0;j<9;j++)scanf(“%c”,a[j]); C: gets(a); D: for(j=0;j<9;j++)scanf(“%c”,&a[j]);

    设已定义chara&#91;10&#93;和intj,则下面输入函数调用中错误的是() A: scanf(“%s”,a); B: for(j=0;j<9;j++)scanf(“%c”,a[j]); C: gets(a); D: for(j=0;j<9;j++)scanf(“%c”,&a[j]);

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