甲状腺恶性肿瘤的影像表现()
A.增强明显强化
B.边界不清
C.钙化多见
D.内部有低密度坏死区
E.转移性淋巴结增强可有环行强化
参考答案:A, B, C, D, E
(2013·郑州质量检测)—Jack hurt his leg yesterday.
—Really?________?
A.What’s wrong with him
B.How did it happen
C.Wasn’t he too careless
D.Who told you that
用以证明货物原产地或制造地,进口国海关计征税率依据的是()
A.原产地说明
B.到岸价格
C.完税价格
D.fob