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第1题

When she was trying to complete her missions, Audrey had to provide a lot of emotional care and was always confronted wi
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第2题

3.设A,B为n阶可逆阵，则下列等式成立的事（ ） A（AB）^-1=A^-1B^-1 B(A+B)^-1=A^-1+B^-1 C|(AB)^-1|=|AB|分之1 D|(A+B)^-1|=|A^-1|+|B^-1|
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第3题

Audrey Hepburn valued Academy Awards most. A、正确 B、错误
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第4题

As an anonymous refugee, Audrey Hepburn was totally baffled by life’s horrors and fragility. A、正确 B、错误
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