题目内容

一种货币贬值15%,一年后又增值()才能保持原币值。

A. 15.25%
B. 16.78%
C. 17.17%
D. 17.65%
E. A、B、C、D均不正确

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设A,B,C,D是4个四阶矩阵,其中A≠O,|B|≠0,|C|≠0,D≠O,且满足ABCD=O,若r(A)+r(B)+r(C)+r(D)=r,则r的取值范围是()

A. r<10.
B. 10≤r≤12.
C. 12<r<16.
D. 10≤r<16.

个体对特定对象以一定方式作出反应时所持有的评价性的、较稳定的内部心理倾向,这是指

A. 动机
B. 需要
C. 价值观
D. 态度
E. 知觉

A: Congratulations! I hope you'll be very happy.B: ().

A. Thanks, the same to you.
B. Thanks, I'm sure we will.
C. Yes, that's for sure.
D. Yes. I am sure we'll be the happiest couple in the world.

With most online recruitment services, jobseekers must choose their words carefully; ______ the search engine will never make the correct match.

A. therefore
B. whereas
C. provided
D. otherwise

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