调节颅内压的因素有：（）
A．脑脊液压力
B．脑灌注压
C．脑微循环
D．脑血流、脑组织移位和静脉压
E．脑组织、脑脊液与血液
参考答案：E
There are so many kinds of MP3 in the shop. We can’t decide ________. [ ]
A. what to buy
B. to buy what
C. which to buy
D. to buy which
轧制分为（）等几种方式
A.纵轧
B.横轧
C.平轧
D.斜轧
