试题与答案

【 】是指一个SELECT-FROM-WHERE查询块可以嵌入在另一个查询块之中

题型:填空题

题目:

【 】是指一个SELECT-FROM-WHERE查询块可以嵌入在另一个查询块之中。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:在图1-3所示的某32位操作系统的文件分配表中,通过文件1的目录项可知,它的第1个逻辑块存放在第2个物理块中,然后去查询FAT表可知,它的第2、3、4个逻辑块分别存放在第5、6、7个物理块中。第7个...

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根据句子意思及所给的首字母或汉语提示,写出该句子中所缺的单词。

1. Li Na is a famous tennis p______.                              

2. We can't l______ to music when the teacher is talking in class.

3. The children had a______  been asleep when I got home .        

4. Mr Li is s______ with his students and makes them work hard.   

5. Zhou Gu was ______ (采访) by the local  newspaper.             

6. There are ______ (五十二) weeks in a year.                       

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