下列哪项不是夹层动脉瘤的CT表现()
A.双腔征象
B.真腔对比剂浓度一般高于假腔
C.内膜钙化没有内移
D.真假腔之间的内膜瓣
E.假腔内可以继发血栓形成
参考答案:C
Whether you liked it or not, you shouldn't have ___ to your mother when she was talking to you. [ ]
A. turned back
B. turned down your back
C. turned your back
D. turned your back away
取消学校教育是完全可能的()