一辆卡车一车装了48袋大米,一袋大米重25千克。这车大米共重多少千克?
解:25×48=1200(千克)
答:这车大米共重1200千克。
Perhaps it is true that nobody in the world knows exactly how the earth __________.
A.came up
B.came out
C.came to power
D.came into being
社会治安秩序,是指由《中华人民共和国治安管理处罚法》及其他治安法规所确认和维系的社会秩序。( )