题目内容

关于存货保利储存天数,下列说法正确的是( )。

A. 同每日变动储存费成反比
B. 同固定储存费成反比
C. 同目标利润成正比
D. 同毛利无关

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常用的屏幕抓图软件是

A. Photoshop
B. Flash
C. GIF Animator
D. Snag It
E. 3D 3DMAX

(26) -(29) 题假定学生关系是S(S#,SN,SEX,AGE) ,课程关系是C(C#,CNAME,TEACHER) ,学生选课关系是SC(S#,C#,GRADE) 。检索所有比"王华"年龄大的学生姓名、年龄和性别。正确的SELECT语句是______。

A. SELECT SN,AGE,SEX FROM S
B. SHERE AGE> (SELECT AGE FROM S)
C. WHERE SN='王华')
D. SELECT SN,AGE,SEX
E. FROM S
F. WHERE SN='王华'
G. SELECT SN,ACE,SEX FROM S
H. WHERE AGE>(SELECT ACE
I. WHERE SN='王华')
J. SELECT SN,ACE,SEX FROM S
K. WHERE ACE>王华 AGE

The general manager ______ us at the financial meeting that one-tenth of the employees will be laid off because of the worsening depression.

A. (A) told
B. (B) spoke
C. (C) said
D. (D) talked

While ______ foods are assuming an ever larger role in the average diet, more and more people are getting interested in organic food.

A. (A) process
B. (B) processed
C. (C) processing
D. (D) to process

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