A.__gt__
B.__ge__
C.__lt__
D.__le__
第1题
A.stu1.age
B.student.age
C.p->age
D.(*p).age
第2题
A.stu1.age
B.student.age
C.p->age
D.(*p).age
第3题
第7题
A.#define STUDENT struct student STUDENT {int num; float age; }std1;
B.struct student {int num; float age; }std1;
C.struct {int num; float age; }std1;
D.struct int num; float age; }student; struct student std1;
第8题
A.isinstance(a,A)
B.type(a)==A
C.issubclass(A,B)
D.issubclass(type(a),type(b))
第9题
A.alter table student change address stuAddress;
B.alter table student change address stuAddress varchar(50);
C.alter table student midify address stuAddress;
D.alter table student modify address stuAddress varchar(50);
第10题
A.SELECT * FROM student WHERE YEAR(birthday) NOT IN(1997, 1999);
B.SELECT * FROM student WHERE YEAR(birthday)=1997 AND YEAR(birthday)=1999;
C.SELECT * FROM student WHERE YEAR(birthday) IN(1997, 1999);
D.SELECT * FROM student WHERE YEAR(birthday) EXISTS(1997, 1999);
第11题
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