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【单选题】
What did young people in like to wear? [ ]A.
the 1990'
B.
1990s
C.
the 1990
D.
the 1990s
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【单选题】Which of the following statements is correct about the woman?
A.
She will not accept the invitation because she hates football.
B.
She will probably accept the invitation though she does not enjoy watching football matches.
C.
She will probably accept the invitation because she likes foot ball very much.
【单选题】在完全垄断市场上，厂商的边际收益与平均收益之间的关系是( )
A.
边际收益小于平均收益
B.
边际收益大于平均收益
C.
边际收益等于平均收益
D.
边际收益曲线交于平均收益曲线的最低点
【单选题】Which of the following statements is not true?
A.
The relationship between market investigation and sales promotion is just as that of the lips and teeth.
B.
It is impossible to succeed in selling a product without market Investigation.
C.
There are various ways of making market investigation.
D.
Production goes before market investigation.
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