It’s imperative that a graduate student maintains an average grade of “A” in his major subjects.
举一反三
- It’s imperative that a graduate student maintains an average grade of “A” in his major subjects. A: 正确 B: 错误
- 【单选题】5. 假定student表中有字段grade,grade代表分数,依次统计grade字段的最大值,最小值,平均值的SQL语句是 A. SELECT max(grade),min(grade),average(grade) FROM student; B. SELECT max(grade),min(grade),avg(grade) FROM student; C. SELECT min(grade),average(grade),max(grade) FROM student; D. SELECT min(grade),avg(grade),max(grade) FROM student;
- Ignoring UNESCO's warning, the mayor of Venice maintains his support of the city's tourism industry.（ ）
- 2. For each graduate, how much is the student debt at the national average level? A: $50,000 B: $40,000 C: $33,000 D: $20,000
- Student类继承Person类，Teacher类继承Person类，Graduate类继承Student类，则以下创建一个引用，不正确的是（ ） A: Student s; Student& rs = s; B: Graduate g; Student& rg = g; C: Person e; Student& re = e; D: Graduate g; Person& rg = g;