• 2022-07-22 问题

    已知三阶矩阵$A$满足$\mid A-E\mid=\mid A-2E\mid=\mid A-3E\mid=0$,则$\mid A\mid$=( )。 A: $4$ B: $6$ C: $12$ D: $3$

    已知三阶矩阵$A$满足$\mid A-E\mid=\mid A-2E\mid=\mid A-3E\mid=0$,则$\mid A\mid$=( )。 A: $4$ B: $6$ C: $12$ D: $3$

  • 2022-06-03 问题

    The idea that a mid-career professional can take one or two years out of the workplace to pursue an advanced degree is increasingly ________.

    The idea that a mid-career professional can take one or two years out of the workplace to pursue an advanced degree is increasingly ________.

  • 2022-06-29 问题

    设$A,B$是$n$阶正交矩阵,且$\mid A\mid=-\mid B\mid$,则( ). A: $A+B$可逆 B: $A+B$不可逆 C: $\mid A+B\mid=1$ D: $\mid A+B\mid=-1$

    设$A,B$是$n$阶正交矩阵,且$\mid A\mid=-\mid B\mid$,则( ). A: $A+B$可逆 B: $A+B$不可逆 C: $\mid A+B\mid=1$ D: $\mid A+B\mid=-1$

  • 2022-06-06 问题

    Career planning helps you to () your career possibilities

    Career planning helps you to () your career possibilities

  • 2022-06-07 问题

    Excel2010从18份身份证号中获取出生日期可以使用()函数。 A: MID(A1,6,8) B: MID(A1,7,8) C: =MID(A1,6,8) D: =MID(A1,7,8)

    Excel2010从18份身份证号中获取出生日期可以使用()函数。 A: MID(A1,6,8) B: MID(A1,7,8) C: =MID(A1,6,8) D: =MID(A1,7,8)

  • 2022-06-06 问题

    What does dream career mean to a person? A: A career you want to choose when you don’t have to work. B: A career you are interested in . C: A career which can realize your social values. D: A career everybody envies.

    What does dream career mean to a person? A: A career you want to choose when you don’t have to work. B: A career you are interested in . C: A career which can realize your social values. D: A career everybody envies.

  • 2022-07-22 问题

    船舶电台海上移动业务识别码的组成是( )。 A: MID X1X2X3X4X5X6 B: 0 MID X1X2X3X4X5 C: 00 MID X1X2X3X4 D: 00 MID X1X2X3X4X5

    船舶电台海上移动业务识别码的组成是( )。 A: MID X1X2X3X4X5X6 B: 0 MID X1X2X3X4X5 C: 00 MID X1X2X3X4 D: 00 MID X1X2X3X4X5

  • 2022-06-05 问题

    如果A1单元格中有某人的身份证号,如何提取他的出生年月日 A: mid(A1,7,4) B: mid(A1,4,7) C: mid(A1,7,8) D: mid(A1,8,7)

    如果A1单元格中有某人的身份证号,如何提取他的出生年月日 A: mid(A1,7,4) B: mid(A1,4,7) C: mid(A1,7,8) D: mid(A1,8,7)

  • 2022-06-07 问题

    从A1单元格里的18位身份证号提取8位生日信息的准确公式是:()。 A: mid(A1,7,8) B: mid(A1,8,7) C: mid(A1,6,8) D: mid(A1,8,6)

    从A1单元格里的18位身份证号提取8位生日信息的准确公式是:()。 A: mid(A1,7,8) B: mid(A1,8,7) C: mid(A1,6,8) D: mid(A1,8,6)

  • 2022-05-29 问题

    The identification of future career trends is of some help when you are (seek)a career direction.

    The identification of future career trends is of some help when you are (seek)a career direction.

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