该图书管理系统的主要关系模式如下,请将“借还记录”和“预约登记”关系中的(7)、(8)空缺处的内容填写完整。
管理员(工号,姓名)
读者(读者ID,姓名,电话,E-mail)
书目(ISBN号,书名,作者,出版商,出版年月,册数,经办人)
图书(图书ID,ISBN号,存放位置,状态,经办人)
借还记录((7),借出时间,应还时间,归还时间)
预约登记((8),预约时间,预约期限,图书ID)
注:时间格式为“年.月.日 时:分:秒”。
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参与自然审美只需要视觉和听觉就足够了。()
参考答案:错误
&8226;Read the memo below.
&8226;Complete the Travel Requisition Form. in the following.
&8226;Write a word, phrase or number in spaces 41-45 on your Answer Sheet.
Memorandum
To Rosemary Wimpole
From Dr Kittle, Research and Development
Date 3 February, 1998
Re My April visit to Los Angeles
Please check the following and complete a Travel Requisition Form. for me.
Thanks
Travel Requisition Form
Traveller details
Name of traveller ……………… Dr C J Kittle
Department …………………………………………………………………………………………… (41)
Purpose of visit travel ……………………………………………………… Attending H O briefing
Travel details
Airport in UK ……………………… (42)
Departure dates ……………………… (43)
Airline ………………………………………………………………………………… American Airlines
Class ……………………… (44)
Cost, if known ……………………… £ 420
visa requirements ……………………… (45)
Health requirements …………………………………
…………………………………………………… Tetanus and Polio vaccinations recommended
(41)