Does your brother play ping-pong __________? A: on every afternoon B: every afternoon C: in every afternoon D: at every afternoon

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: $3$

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: $\mid A+B\mid=-1$

Will you play badminton with me this afternoon Let’s go and play badminton this afternoon,______

Will you play football with me this afternoon Let’s go and play football this afternoon, ______

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)

The body and mind are usually at their peak in the_____and_____, so those are optimal times for a full asana practice. A: early morning；early afternoon B: late morning；early afternoon C: early morning；late afternoon D: late morning；late afternoon

When will Mr. Li meet Mr. White A: Tomorrow afternoon B: This afternoon C: Tomorrow.

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

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）