足月儿缺氧缺血性脑病常见的最典型的神经病理学改变为（）
A.脑水肿
B.矢状旁区损伤
C.脑细胞萎缩
D.颅内出血
E.脑室周围白质软化
参考答案：B
(2013·潍坊市高三二模)Parents are advised to take pressure ________ their children and give them some encouragement before an exam.
A．off
B．over
C．from
D．to
均衡汇率的概念及影响因素
