对于图书管理数据库,检索藏书中比高等教育出版社的所有图书的书价更高的书。下面SQL语

题型:单项选择题

问题:

对于图书管理数据库,检索藏书中比高等教育出版社的所有图书的书价更高的书。下面SQL语句正确的是______。
SELECT * FROM 图书 WHERE 单价>ALL;

A) SELECT 书名 FROM 图书 WHERE 出版单位=“高等教育出版社”
B) (SELECT 单价 FROM 图书 WHERE 出版单位=“高等教育出版社”)
C) SELECT 单价 FROM 图书 WHERE 读者.借书证号=借阅.借书证号
D) (SELECT 书名 FROM 图书 WHERE 读者.借书证号=借阅.借书证号)
第(33)~(35)是基于下述描述:
  设有图书管理数据库:
  图书(总编号 C(6),分类号 C(8),书名 C(16),作者 C(6),出版单位 C(20),单价 N(6,2))
  读者(借书证号 C(4),单位 C(8),姓名 C(6),性别 C(2),职称 C(6);地址 C(20))
  借阅(借书证号 C(4),总编号 C(6),借书日期D(8))

考点:计算机等级考试VISUALFOXPRO二级VISUALFOXPRO笔试
题型:单项选择题
完形填空。
     Last year my English class was __1__ for me. First of all, it wasn't easy for me to understand the
teacher when she __2__ to the class. To begin with, she spoke too quickly, and I couldn't __3__ every
word. Later on, I realized it doesn't matter if you don't understand every word, __4__ I was afraid to
speak in class because I thought my classmates might laugh __5__ me. I couldn't always make complete
sentences, either. Then I started to __6__ English-language TV. It helped a lot. I think that doing lots of
listening practice is one of the secrets of __7__ a good language learner. Another thing that I found very
difficult was English __8__. So I decided to take lots of grammar notes in every class.
( )1. A. lucky    
( )2. A. talked  
( )3. A. think    
( )4. A. either  
( )5. A. to      
( )6. A. watched  
( )7. A. making  
( )8. A. grammar  
B. happy        
B. talk          
B. believe      
B. neither      
B. with          
B. watch        
B. becoming      
B. words        
C. difficult      
C. sing      
C. forget      
C. also      
C. at        
C. watches    
C. changing      
C. pronunciation  
D. great    
D. sang      
D. understand
D. too      
D. in        
D. watching  
D. turning  
D. tests    
题型:单项选择题

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诊断:_____________________________________________________________________________________

改正:_____________________________________________________________________________________

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