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问题 单项选择题

《车辆购置税征收管理办法》于（）开始实施。

A.1985年5月1日

B.2012年1月1日

C.2001年1月1日

D.2005年1月1日

答案

参考答案：B

单项选择题

某公司销售数据库的商品、仓库关系模式及函数依赖集F1、F2如下：
商品(商品号，商品名称，生产商，单价)，F1=商品号→商品名称，商品号→生产商，商品号→单价，商品关系的主键是______。仓库(仓库号，地址，电话，商品号，库存量)，F2=仓库号→(地址，电话)，(仓库号，商品号)→库存量。仓库关系的主键是______，外键是______。
仓库关系模式______，为了解决这一问题，需要将仓库关系分解为______。

A．仓库号
B．仓库号，商品号
C．仓库号，电话
D．地址，电话
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填空题
阅读下面短文，根据文中意思，从方框中选词恰当的词。
                                   Parents and children
at   but   else   enjoy   him   just   musician   popular   tell
      Many parents want their children to be famous one day. But do children have the same dreams?
     A new play, called Hi, Ke'ai, 1._____  us the story of  a boy with the name of Ke'ai. His parent with
him to become a painter or 2._____ or scientist one day. They teach him to paint  and to play the piano, 
3._____Ke'ai doesn't enjoy these activities. Then one day Ke'ai's parents see Liu Xiang win a gold
  medal 4._____  the Athens Olympic Games, and they want 5._____ to be a sportsman.
     "But why do they want me to be somebody 6._____?"  Ke'ai asks and says, "I 7._____ want to be
myself."
     The play shows us that 8. _____ should understand their children, and learn to think about what kids
want to do.
     Young students 9._____  the story and also the music in the play. It's a very 10._____ play for them.
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