So Young, the movie ______ was filmed in Nanjing, is on in many cities.
A:which
B:what
C:who
D:when
如图,正方形ABCD的边长为4,点P为BC边上的任意一点(不与点B、C重合),且∠DPE=90°,PE交AB于点E,设BP=x,BE=y,则y关于x的函数图象大致是( )
5×3=____
4×6=____
6×3=____
5×6=____
下列国家中,经济最发达的是