In 1988, Tsinghua University set up its first "Challenge Cup" competition.
A: 正确
B: 错误
A: 正确
B: 错误
A
举一反三
- In 1988, Tsinghua University set up its first "Challenge Cup" competition.
- 在Student表中，将学生姓名为“王蒙”的学生改名为“王金山”，正确的SQL语句是___________。 A: UPDATE SET 姓名="王金山" IF 姓名="王蒙" B: UPDATE Student SET 姓名="王蒙"WHERE 姓名="王金山" C: UPDATE Student SET 姓名="王金山" WHERE 姓名="王蒙" D: UPDATE Student SET 姓名="王蒙" IF 姓名="王金山"
- Select the statement that distinguishes monopolistic competition from perfect competition. A: No barriers to entry/exist in monopolistic competition. B: A firm in monopolistic competition can set its own price and output. C: A firm in monopolistic competition makes zero economic profit in the long run. D: Close substitutes are available in monopolistic competition.
- Which facts show the American spirit of competition? A: People who like to compete are appreciated. B: There are a lot of expressions of "doing" rather than "being"in their language. C: Americans believe that "friendship first, compitition second". D: Americans learn competition skills since young.
- 设“学生”表中有 “学号”、“生源”等字段，将学号为“S01002”的学生的生源改为“福建”，正确的SQL语句是（ ）。 A: UPDATE 学号="S01002" SET 生源="福建" B: UPDATE 生源="福建" FROM 学生 C: UPDATE 学生 SET 生源="福建" WHERE 学号="S01002" D: UPDATE FROM 学生 WHERE 学号="S01002" SET 生源="福建"
内容
- 0
In Agenda, the first step is usually "other business". A: 正确 B: 错误
- 1
Rome was probably the first country to set up its embassy in Chang’an.
- 2
Tsinghua University has already caught up with the Harvard now.
- 3
The shared bicycles were first used on the campus of __________. A: Peking University B: Tsinghua University C: Fudan University D: Zhejiang University
- 4
将学号为“02080110”、课程号为“102”的选课记录的成绩改为92，正确的SQL语句是（）。 A: UPDATE选课SET成绩WITH92WHERE学号="02080110"AND课程号="102" B: UPDATE选课SET成绩=92WHERE学号="02080110"AND课程号="102" C: UPDATEFROM选课SET成绩WITH92WHERE学号="02080110"AND课程号="102" D: UPDATEFROM选课SET成绩=92WHERE学号="02080110"AND课程号="102"