将文本中所有的stu替换为Student,下面哪些做法是可行的()。
A.:1,$s/stu/Student/gc
B.:1,$s/stu/Student
C.:1,Ns/stu/Student
D.:0,$s/stu/Student/g
A.:1,$s/stu/Student/gc
B.:1,$s/stu/Student
C.:1,Ns/stu/Student
D.:0,$s/stu/Student/g
第1题
有以下说明和定义语句:
struct student
{int age;char num[8];);
struct student stu[3]={{20,"200401"},(21,"200402"),(19,"200403"}};
struct student*p=stu;
以下选项中引用结构体变量成员的表达式错误的是( )。
(A)(p++)->num (B)p->num (C)(*p).num (D)stu[3].age
第2题
下面程序的运行结果是______。
typedef union student
{char name[10];
long sno;
char sex;
float score[4];
}STU;
main()
{ STU a[5];
printf("%d\n",sizeof(a));
}
第3题
若有以下语句,则下面表达式的值为1002的是( )。
struct student
{int age;
int num;
};
struct student stu[3]={{1001,20},{1002,19},{1003,21}};
struct student *p;
p=stu;
A.(p++)->num B.(p++)->age C.(*p).num D.(*++p).age
第4题
A.To a rock and mineral show.
B.To an opera at the concert hall.
C.To a movie at the student center.
D.To a music concert.
第5题
A.a student and the director of the housing office
B.s student and a professor
C.two students
D.two housing office staff members
第6题
打开表并设置当前有效索引(相关索引已建立)的正确命令是( )。
A.ORDER Student IN 2 INDEX 学号 B.USE Student IN 2 ORDER 学号
C.INDEX 学号 ORDER Student D.USE Student IN 2
第7题
The University of Minnesota claims that in 12 half-hour lesson______.
A.it can double a student"s reading speed
B.it can triple a student"s reading speed
C.it can increase a student"s reading speed four times
D.no real increase in reading speed can be achieved
第8题
有如下两个关系模式:student(学号,姓名,奖学金)score(学号,课程号,成绩),则()是score相对与student关系的外键。
A学号
B学号,课程号
C课程号
D成绩
第9题
A.She hopes that someone will give her the money.
B.She plans on getting rid of her student credit cards.
C.She is going to return the items she purchased on the card.
D.She is going to find a better paying job to cover her expenses.
第10题
第11题