公安机关及其人民警察必须依法履行职责,不履行职责或者滥用职权将受到纪律甚至法律的追究。( )
参考答案:对
解析: 这是公安机关职责责任性的体现。
在一个减法算式里,被减数、减数与差的和是224,减数比差少16。如果被减数不变,减数增加35,那么差变为多少
A.28B.29C.30D.31
—Do you know_______?
—Yes. At about twelve. I was just about to go to bed.
A.when he came back
B.when he will come back
C.when did you go to bed
D.whether he goes to bed late