The Diaoyu Islands have been part of China’s territory since ancient times, __________ as important fishing grounds of Taiwan.

A．served

B．to serve

C．serving

D．having served

有关小脑出血，正确的是（）

A.多由小脑齿状核动脉破裂所致

B.一般无肢体瘫痪

C.可仅表现为一侧肢体笨拙

D.不出现意识障碍

E.易造成枕骨大孔疝