患者男性，36岁，腹部不适，扪及搏动性肿块。超声诊断为腹主动脉瘤。

关于腹主动脉瘤，正确的说法是（）。

A.腹主动脉瘤的动脉壁中层弹力纤维损伤

B.腹主动脉明显增宽

C.腹主动脉内常见血栓回声

D.分为三类：真性动脉瘤、假性动脉瘤和夹层动脉瘤

E.假性动脉瘤瘤壁由纤维组织、血块机化物和动脉壁共同构成

F.真性动脉瘤瘤壁与正常腹主动脉壁不相延续

完成句子。

1. She has a lot of experience _____ (应对) teenagers' problems.

2. What would you do if you burned yourself _____ (偶然地).

3. The window is broken. Please _____ (查明) who did that.

4. You should _____ your teachers or parents _____ (向……征求意见).

5. —Do you know when the book _____ (出版)?

    —Last year, I think.