In Japan, business is not conducted in _________, in mid-August, because many people travel to the graves of their ancestors.
In Japan, business is not conducted in _________, in mid-August, because many people travel to the graves of their ancestors.
A) August 25, 1968. B) August 29, 1958. C) August 25, 1958. D) August 29, 1978.
A) August 25, 1968. B) August 29, 1958. C) August 25, 1958. D) August 29, 1978.
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: $3$
August
August
八月被命名为August，是因为august表示“八”的意思。
八月被命名为August，是因为august表示“八”的意思。
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: $\mid A+B\mid=-1$
【单选题】The following options are written correctly on the date of the English letter EXCEPT ()以下选项中书信日期写作错误的是() A. August 2, 2018 B. 2018 August 2 C. 2 August 2018 D. August 2nd, 2018
【单选题】The following options are written correctly on the date of the English letter EXCEPT ()以下选项中书信日期写作错误的是() A. August 2, 2018 B. 2018 August 2 C. 2 August 2018 D. August 2nd, 2018
On_______, China's first high speed railway, Beijing-Tianjin Intercity High Speed Railway was put into use, marking the beginning of the high speed era. A: August 1st, 2006 B: August 1st, 2007 C: August 1st, 2008 D: August 1st, 2009
On_______, China's first high speed railway, Beijing-Tianjin Intercity High Speed Railway was put into use, marking the beginning of the high speed era. A: August 1st, 2006 B: August 1st, 2007 C: August 1st, 2008 D: August 1st, 2009
When is the World Reading Day? A: August, 23rd B: April, 20th C: August, 20th D: April, 23rd
When is the World Reading Day? A: August, 23rd B: April, 20th C: August, 20th D: April, 23rd
Not until August ________ an inquiry into the accident.
Not until August ________ an inquiry into the accident.