There are many pavilions in Shanghai World Expo. Some like visiting European pavilions, ________

others enjoy visiting Asian pavilions.[ ]

A. or  

B. for

C. while  

D. so

颅外颈动脉硬化闭塞的好发部位是（）

A.颈总动脉近段

B.颈总动脉中段

C.颈总动脉分叉处

D.颈外动脉

E.颈内动脉远段