Beijing ______ the 2008 Olympic Games and it makes Chinese people very proud.
A:will succeed in hosting
B:has succeeded in hosting
C:is succeeded in holding
D:succeeds in hosting
如图,半径相等的两圆⊙O1,⊙O2相交于P,Q两点.圆心O1在⊙O2上,PT是⊙O1的切线,PN是⊙O2的切线,则∠TPN的大小是( )