脑梗塞最常见的CT增强表现形式为（）
A、轻度均匀强化
B、点线样强化
C、团片样强化
D、环形强化
E、脑回状强化
参考答案：E
后牙排列时，要有适合的纵曲线和横曲线是为了（）
A.咬合平衡
B.有利于美观
C.接触面积广
D.纠正偏侧咀嚼习惯
E.为了方便排牙
Only when I left my parents for Italy _____ how much I loved them. [ ]
A. I realized
B. I had realized
C. had I realized
D. did I realize
曲线和横