It is important for students to use time ____________ A: wiser B: more wise C: wise D: wisely

wise的最高级是__________。

Who is the author of Wise Children?

下面哪一个表达式能正确表示逻辑关系："age≥18 或age≤60"？ A: age>=18 || age B: age>=18 or age C: age>=18 | age D: age>=18 && age

表达式“AGE BETWEEN 18 AND 24”等价于 A: AGE>18 AND AGE<24 B: AGE>=18 AND AGE<24 C: AGE>18 AND AGE<=24 D: AGE>=18 AND AGE<=24

—George is a stupid person. —But in my opinion, he is______than stupid. A: wiser B: more wise C: more wiser D: less wise

______a wise man can say a foolish thing, a fool can say something wise once in a while. A: If B: When C: Because D: Just as

设有关系表S(NO，NAME，AGE)，其中AGE为年龄字段，则表达式AGE NOT BETWEEN 18 AND 24等价于（） A: AGE＜=18 OR AGE＞=24 B: AGE＜=18 0R AGE＞24 C: AGE＜18 OR AGE＞=24 D: AGE＜18 0R AGE＞24

与WHERE AGE BETWEEN 18 AND 23完全等价的是（） A: WHERE AGE＞18AND AGE＜23 B: WHERE AGE＞＝18AND AGE＜23 C: WHERE AGE＞18AND AGE＜＝23 D: WHERE AGE＞＝18AND AGE＜＝23

同WHERE Age BETWEEN 15 AND 20完全等价的是（ ）。 A: WHERE Age>;15 AND Age<;20 B: WHERE Age>;=15 AND Age<;20 C: WHERE Age>;15 AND Age<;=20 D: WHERE Age>;=15 AND Age<;=20