按照主动脉病变层次和范围，主动脉瘤可分为（）
A.夹层动脉瘤
B.囊性动脉瘤
C.真性动脉瘤
D.假性动脉瘤
E.梭形动脉瘤
参考答案：A, C, D
The American soldiers_______ Iraq kissed their families goodbye and left in a hurry.
A．are sending to
B．sending to
C．are sent to
D．to be sent to
