设x、y、z为正数,且2x=3y=5z,则( )
A:2x<3y<5z
B:5z<2x<3y
C:3y<5z<2x
D:3y<2x<5z
With the help of the Internet,news can_______every corner of the world.
如图是鸟卵的结构示意图,下列有关叙述错误的是( )