原式=[(-512)×125]2011
=(-1)2011
=-1.
故选A.
The kids seated themselves to the teacher and listened with great interest.
A.closely; close
B.close; closely
C.closely; closely
D.close; close
公安机关行使管制权的目的是为了预防和制止严重危害社会治安秩序的行为。 ( )