【简答题】学生表student包含sname、、age三个属性列,其中age的默认值是20,执行SQL语句INSERT INTO student(,sname,age)VALUES(’M’,’Lili’,); 的结果是()。A. 执行成功,sname,,age的值分别是Lili,M,20 B. 执行成功,sname,,age的值分别是M,Lili,NULL C. 执行成功,sname...
【简答题】Joe: , Jack. Jack: , Joe. ? Joe: , thanks. ? Jack: . Well, you see, I'm planning to take chemistry this semester. a professor? Joe: Dr. Smith, of course. They say he's a prominent professo...
【简答题】A. 永远的爱人 B. 拽住一根稻草 C. 兴隆的生意 D. 奇怪地看了某人一眼 E. 莫名其妙地 F. 把玩偶紧紧抱在她的怀里 G. 负债 ; 在困难中 H. 轻快的散步 I. 转向离合器 J. 寒冷干燥的西北风 ( ) 1. a brisk walk ( ) 2. brisk trade ( ) 3. brisk north-west wind ( ) 4. in Queer stre...
【简答题】听材料,回答问题。 1. Who will have dinner with the man? [ ] A. Jack. B. Jane. C. Joe. 2. What will they have for dinner? [ ] A. Sichuan food. B. Guangdong food. C. Hunan food. 3. When will they meet? ...