It’s       good feeling for people to admire the Shanghai World Expo that gives them       pleasure.

A．不填, a

B．a, 不填

C．the, a

D．a, the

下面哪个血管不是颈外动脉的分支()

A．面动脉

B．舌动脉

C．甲状腺下动脉

D．甲状腺上动脉

E．上颌动脉