多项选择题 An employee is usually dismissed from a job as a result of __________. A. unsatisfactory work performance B. poor behavior or attitude that does not fit with the corporation’s culture C. unethical conduct that violates the company’s policies
问答题 张紧轮与主动轮、从动轮在结构,功能方面有哪些区别?
单项选择题 when you're writing to someone who went out of their way for you ,people really appreciate ( ) letters.
单项选择题 意见正文不包括( ) A、开头 B、主体 C、结尾 D、题注
单项选择题 假设Sales表用于存储销售信息,SName列为销售人员姓名,SMoney列为销售额度,现在要查询每个销售人员的销售次数、销售总金额,则下列()查询语句的执行结果能得到这些信息。 A、SELECT SName, SUM(SMoney), COUNT(SName) FROM Sales GROUP BY SName B、SELECT SName, SUM(SMoney) FROM Sales C、SELECT SName, SUM(SMoney) FROM Sales GROUP BY SName ORDER BY SName D、SELECT SUM(SMoney) FROM Sales GROUP BY SName ORDER BY SName