下列哪项不是缺氧引起中枢神经系统功能障碍的机制()。
A.ATP生成不足
B.颅内压升高
C.脑微血管通透性增高
D.神经细胞膜电位降低
E.脑血管收缩
参考答案:E
如图为我国古代某朝引进的粮食作物,与该作物同时代的经济现象是( )
A.黄道婆革新棉纺织技术
B.纸币成为主要流通的货币
C.私营工商业勃然兴起
D.“机户出资,机工出力”
She likes singing, dancing and talking with others.
But I often stay at home and read books.
So I am _____ than her. [ ]
A. funnier
B. quieter
C. more outgoing
D. wilder