According to the passage, which of the following statements is true?
A.Now there are fewer men fond of body art than before.
B.The official statistics proved that body art gains popularity.
C.All people who didn't think about having a tattoo then now have them.
D.Skitch started to engage in body art about ten years ago.
第1题
下列哪项不是主动脉夹层的可能病因
A.主动脉瓣二叶瓣畸形及主动脉狭窄
B.主动脉中层肌肉退行性变
C.低血压
D.马方综合征
E.弹性纤维缺少
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