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问题 填空题

数据库的数据语言(DDL)定义数据库的全局逻辑数据结构、局部逻辑数据结构和【 】。

答案

参考答案：存储结构

解析：数据库的数据语言(DDL)定义数据库的模式(全局逻辑数据结构)，外模式 (局部逻辑数据结构)和内模式(存储结构)。

问答题

(b)(i) State the value added tax (VAT) treatment of the disposal of self-used fixed assets. Your answer should deal with assets which were bought both before and after 1 January 2009; (2 marks) (ii) State the value added tax (VAT) treatment of the disposal of used articles (other than those used as fixed assets) and used cars; (2 marks) (iii) The following transactions all occurred in the month of August 2009. All figures are stated including value added tax (VAT). (1) Company D sold a used machine for RMB 250,000, which had been bought in January 2008 for RMB 200,000. (2) Company E (a small-scale VAT taxpayer) sold a used machine for RMB 180,000, which had been bought in October 2005 for RMB 200,000. (3) Company F sold a used machine for RMB 150,000, which had been bought in January 2009 for RMB 120,000. (4) Company G (a small-scale VAT taxpayer) sold a used machine for RMB 150,000, which had been bought in January 2009 for RMB 120,000. (5) Company H sold a used car for RMB 150,000, which had been bought in January 2009 for RMB 120,000.Required:In the case of each of the sales (1) to (5), calculate the value added tax (VAT) payable.Note: unless otherwise stated all the companies are general VAT taxpayers. (5 marks)
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单项选择题

1957年2月，毛 * * 在最高国务会议上发表（）讲话，指出：社会主义社会的基本矛盾仍然是生产力和生产关系、经济基础和上层建筑之间的矛盾。

A.《不要四面出击》

B.《关于正确处理人民内部矛盾的问题》

C.《如何正确处理人民内部矛盾问题》
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