书面表达。

     下面是一则广告，请拟完草稿后，用口头形式通知全班同学。通知的开头已写好，

续写即可。（词数50左右）

                                                        ENGLISH EVENING

                                                                   By

                                                          Students' Union

                                      7 p.m. Saturday, May 29, Room 316 Meeting Hall

                                       PROGRAMMES: Songs, Dances, Stories, Plays

                                      Please go to Room 205 office Building for tickets. 

                                                              May 25

Ladies and gentlemen,

     May I have your attention, please? There is going to be an English evening ____________________

____________________________________________________________________________________

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具有数据冗余度小、数据共享及较高数据独立性等特征的系统是______。

A．文件系统

B．数据库系统

C．管理系统

D．高级程序