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A.struct student {int num; char name[10];int age;};stu;
B.struct {int num; char name[10];int age;}student; struct student stu; C.struct student {int num; char name[10];int age;}stu;
D.struct student {int num; char name[10]; int age;}; student stu;
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3.ÈçÓж¨ÒåµÄö¾ÙÀàÐÍ£º
enum week_day{Wed=3,Thu,Fri,Sat,Sun,Mon,Tue}everyday; Ôò£¬MonµÄֵΪ______¡£
A.1 B. 2 C. 8 D. 5 4.ÓÐÈç϶¨ÒåµÄ½á¹¹ÌåÀàÐÍ£º struct data
{ int year; int month; int day; }workday; ¶ÔÆäÖгÉÔ±monthµÄÕýÈ·ÒýÓ÷½Ê½ÊÇ______¡£
A.data.month B.data.year.month C.month D.workday.month 5.ÒÑÖª¶ÔѧÉú¼Ç¼µÄÃèÊöΪ£º struct student { int num;
char name[20],sex;
struct{ int year,month,day; }birthday; };
struct student stu;
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A.year=1995;month=11;day=12;
B.stu.year=1995;stu.month=11;stu.day=12;
C.birthday.year=1995;birthday.month=11;birthday.day=12;
D.stu.birthday.year=1995;stu.birthday.month=11;stu.birthday.day=12; 6.ÏÂÁйØÓÚö¾ÙÀàÐ͵ÄÃèÊö²»ÕýÈ·µÄÊÇ______¡£ A.¿ÉÒÔÔÚ¶¨Òåö¾ÙÀàÐÍʱ¶Ôö¾ÙÔªËؽøÐгõʼ»¯ B.ÔÚ¸³ÖµÊ±£¬²»¿ÉÒÔ½«Ò»¸öÕûÊý¸³Öµ¸øö¾Ù±äÁ¿ C.ö¾Ù±äÁ¿²»¿ÉÒÔ½øÐйØϵÔËËã
D.ö¾Ù±äÁ¿Ö»ÄÜÈ¡¶ÔӦö¾ÙÀàÐ͵Äö¾ÙÔªËرíÖеÄÔªËØÖµ 7.ÓÐÈçϵÄ˵Ã÷£º union test
{ int a; char c; }test1;
ÔòÔÚVC»·¾³ÏÂsizeof(union test) µÄ½á¹ûÊÇ______¡£
A.4 B.2 C.5 D.3 8.ÒÔϳÌÐòµÄÔËÐнá¹ûÊÇ______¡£ #include
{ struct {int x,y,z;}m; int i; }num; main()
{ num.m.x=4;num.m.y=5;num.m.z=6;num.i=0; printf(\
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