颅内压增高伴视 * * 水肿患者腰穿检查的主要危险是()
A.引起低颅压综合征
B.引起蛛网膜下隙出血
C.导致脑血管痉挛
D.诱发癫痫发作
E.诱发脑疝
参考答案:E
I'm free now. I don't have ____ else to do. [ ]
A. something
B. anything
C. nothing
D. everything
动物内脏营养十分丰富,人们应经常食用。( )