How to translate the sentence: 这顿饭太贵了，我们AA吧（）
A. It is too expensive, let’s AA
B. It will cost a fortune, shall we split the bill
C. empty
D. empty
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下列利用SC表的查询语句中，错误的是（）
A. SELECT Sno, COUNT（）FROM SC GROUP BY Sno
B. SELECT Sno FROM SC GROUP BY Sno HAVING COUNT（）＞ 3
C. SELECT Sno FROM SC GROUP BY Sno WHERE COUNT（）＞ 3
D. SELECT Sno FROM SC GROUP BY Sno
在以下选项当中，哪一项不属于网络操作系统的范畴（）
A. UNIX
B. DOS
C. LINUX
D. Windows Server 2008
Which of the following is not the causes for turnover（）
A family moves away from the locality
B. Marriage
C. Retirement
D. The currente work environment is good
下面哪个版本不包含Active Directory证书服务（）
A. Windows Server 2008 标准版
B. Windows Server 2008 企业版
C. Windows Server 2008 Web版
D. Windows Server 2008 数据中心版
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