题目内容

A department store ran an advertisement in the paper, stating that 17% of the cost of a provided grocery bag of items would be deducted at the cash register. If an individual placed $180 worth of merchandise in the bag, what would be the discounted price of the items, before taxes (rounded to the nearest dollar)

A. $144
B. $149
C. $156
D. $163
E. $168

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所谓物流信息系统是指由人员、设备和程序组成的,为物流管理者执行计划、实施、控制等职能提供信息的交互系统,它与物流作业系统一样都是物流系统的子系统。

A. 对
B. 错

请谈谈你个人的最大特色。

(35)~(37)题,基于“学生.选课.课程”数据库中的3个关系: S(S#,SNAME,SEX,AGE), SC(S#,C#,GRADE), C(C#,CNAME,TEACHER) 把学生的学号及他的平均成绩定义为一个视图。定义这个视图时,所用的.SELECT语句中将出现哪些子句 ( ) Ⅰ.FROM Ⅱ.WHERE Ⅲ.GROUPBY Ⅳ.ORDERBY

A. Ⅰ、Ⅱ
B. Ⅰ、Ⅲ
C. Ⅰ、Ⅱ和Ⅲ
D. 全都是

For Questions 5 to 7, select one entry from the corresponding column of choices for each blank. Fill all blanks in the way that best completes the text. Body language involves a combination of multiple facial (1) and various physical positions to convey its unique (2) message. ()

A. movements
B. expressions
C. appearances
D. oral
E. strident
F. nonverbal

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