如图,设k= (a>b>0),则有( )
A:k>2
B:1<k<2
C:12<k<1
D:0<k<12
— Can I take photos here?
— You'd better not. Look at the sign “______” .
解释下列词语:
奄奄一息:____ 。
执法如山:____ 。