【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...
【单选题】选择划线部分的翻译方法: 原文: The volume of trade has increased tremendousl y to the advantages of both countries.The volume of trade has increased tremendously to the advantages of both countries. 译文:贸易额的剧增给两国带来了...
【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? ...