一Are there vegetables in the beef noodles?
一Yes. There are carrots.
A:some;any
B:some;some
C:any;some
D:any;any
如图示意一个反射弧的结构,就此图分析下面的说法不正确的是( )
已知2132A2253=2413,则A=____ .
如图所示,已知P是正方形ABCD外一点,且PA=3,PB=4,则PC的最大值是____