皮皮学，免费搜题
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【单选题】
当相关系数rxy>0时,表示两要素之间存在( )关系
A.
正相关
B.
负相关
C.
不相关
D.
都可能
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举一反三
【单选题】企业利润最大化的条件是( )
A.
总收益等于总成本
B.
平均收益等于平均成本
C.
边际收益等于边际成本
D.
固定收益等于固定成本
查看完整题目与答案
【判断题】企业利润最大化的条件是MR=MC。
A.
正确
B.
错误
查看完整题目与答案
【单选题】P8.20.在下列查询语句中,与 SELECT TAB1* FROM TAB1 WHERE InStr([简历],篮球)0 功能等价的语句是
A.
SELECT TAB1* FROM TAB1 WHERE TAB1简历Like"篮球"
B.
SELECT TAB1* FROM TAB1 WHERE TAB1简历Like"*篮球"
C.
SELECT TAB1* FROM TABI WHERE TAB1简历Like"*篮球*"
D.
SELECT TAB1* FROM TAB1 WHERE TAB1简历Like"篮球*"
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【单选题】According to the third text, which of the following has almost the same effect as Hypertension drugs?
A.
Exercise plus a healthy diet.
B.
Loss of thirteen pounds in weight.
C.
Six months of exercise without drugs.
D.
Low-salt and low-fat food.
查看完整题目与答案
【单选题】垄断企业利润最大化的条件是( )
A.
MR ＝ MC
B.
AC ＝ MC
C.
MR ＝ AC
D.
AR ＝ AC
查看完整题目与答案
【单选题】According to the third text， which of the following has almost the same effect as Hyperten-sion drags? 查看材料
A.
Exercise plus a healthy diet．
B.
Loss of thirteen pounds in weight．
C.
Six months of exercise without drugs．
D.
Low-salt and low-fat food．
查看完整题目与答案
【单选题】在下列查询语句中,与SELECT TAB1.* FROM TAB1 WHERE Instr([简历],”篮球”)0功能等价的语句是( )
A.
SELECT TAB1.* FROM TAB1 WHERE tab1.简历 Like “篮球”
B.
SELECT TAB1.* FROM TAB1 WHERE tab1.简历 Like “篮球*”
C.
SELECT TAB1.* FROM TAB1 WHERE tab1.简历 Like “*篮球*”
D.
SELECT TAB1.* FROM TAB1 WHERE tab1.简历 Like “*篮球”
查看完整题目与答案
【单选题】在下列查询语句中,与SELECT TAB1.* FROM TAB1 WHERE InStr([简历],"篮球"") 0
A.
SELECT TAB1.* FROM TAB1 WHERE TAB1.简历 Like "篮球"
B.
SELECT TAB1.* FROM TAB1 WHERE TAB1.简历 Like "*篮球"
C.
SELECT TAB1.* FROM TAB1 WHERE TAB1.简历 Like "*篮球*"
D.
SELECT TAB1.* FROM TAB1 WHERE TAB1.简历 Like "篮球*"
查看完整题目与答案
【单选题】企业利润最大化的条件是( )。
A.
VMP=MP*L
B.
VMP=MP*W
C.
VMP=W
D.
MP=W
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【简答题】在下列查询语句中,与SELECT TAB.* FROM TAB WHERE InStr([简历],'篮球')功能相同的语句是( )?A. SELECT TAB.* FROM TAB1 WHERE TAB 简历 Like '篮球' B. SELECT TAB.* FROM TAB1 WHERE TAB 简历 Like '*篮球' C. SELECT TAB.* FROM TAB1 WHERE TAB...
查看完整题目与答案
相关题目：
【单选题】企业利润最大化的条件是( )
A.
总收益等于总成本
B.
平均收益等于平均成本
C.
边际收益等于边际成本
D.
固定收益等于固定成本
查看完整题目与答案
【判断题】企业利润最大化的条件是MR=MC。
A.
正确
B.
错误
查看完整题目与答案
【单选题】P8.20.在下列查询语句中,与 SELECT TAB1* FROM TAB1 WHERE InStr([简历],篮球)0 功能等价的语句是
A.
SELECT TAB1* FROM TAB1 WHERE TAB1简历Like"篮球"
B.
SELECT TAB1* FROM TAB1 WHERE TAB1简历Like"*篮球"
C.
SELECT TAB1* FROM TABI WHERE TAB1简历Like"*篮球*"
D.
SELECT TAB1* FROM TAB1 WHERE TAB1简历Like"篮球*"
查看完整题目与答案
【单选题】According to the third text, which of the following has almost the same effect as Hypertension drugs?
A.
Exercise plus a healthy diet.
B.
Loss of thirteen pounds in weight.
C.
Six months of exercise without drugs.
D.
Low-salt and low-fat food.
查看完整题目与答案
【单选题】垄断企业利润最大化的条件是( )
A.
MR ＝ MC
B.
AC ＝ MC
C.
MR ＝ AC
D.
AR ＝ AC
查看完整题目与答案
【单选题】According to the third text， which of the following has almost the same effect as Hyperten-sion drags? 查看材料
A.
Exercise plus a healthy diet．
B.
Loss of thirteen pounds in weight．
C.
Six months of exercise without drugs．
D.
Low-salt and low-fat food．
查看完整题目与答案
【单选题】在下列查询语句中,与SELECT TAB1.* FROM TAB1 WHERE Instr([简历],”篮球”)0功能等价的语句是( )
A.
SELECT TAB1.* FROM TAB1 WHERE tab1.简历 Like “篮球”
B.
SELECT TAB1.* FROM TAB1 WHERE tab1.简历 Like “篮球*”
C.
SELECT TAB1.* FROM TAB1 WHERE tab1.简历 Like “*篮球*”
D.
SELECT TAB1.* FROM TAB1 WHERE tab1.简历 Like “*篮球”
查看完整题目与答案
【单选题】在下列查询语句中,与SELECT TAB1.* FROM TAB1 WHERE InStr([简历],"篮球"") 0
A.
SELECT TAB1.* FROM TAB1 WHERE TAB1.简历 Like "篮球"
B.
SELECT TAB1.* FROM TAB1 WHERE TAB1.简历 Like "*篮球"
C.
SELECT TAB1.* FROM TAB1 WHERE TAB1.简历 Like "*篮球*"
D.
SELECT TAB1.* FROM TAB1 WHERE TAB1.简历 Like "篮球*"
查看完整题目与答案
【单选题】企业利润最大化的条件是( )。
A.
VMP=MP*L
B.
VMP=MP*W
C.
VMP=W
D.
MP=W
查看完整题目与答案
【简答题】在下列查询语句中,与SELECT TAB.* FROM TAB WHERE InStr([简历],'篮球')功能相同的语句是( )?A. SELECT TAB.* FROM TAB1 WHERE TAB 简历 Like '篮球' B. SELECT TAB.* FROM TAB1 WHERE TAB 简历 Like '*篮球' C. SELECT TAB.* FROM TAB1 WHERE TAB...
查看完整题目与答案