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问题 单项选择题

肝外胆管癌的声像图表现不包括（）。

A.肝内胆管扩张

B.胆囊肿大

C.胆管远端可见软组织肿块

D.胆囊内出现平行双线状强回声带

E.胆管远端突然截断

答案

参考答案：D

选择题

Mr. Mike doesn’t understand ________ made his wife so upset this morning.

A．what was it

B．why it was that

C．how that was

D．what it was that
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单项选择题

在Windows环境下，下列操作中与剪贴板无关的是( )。

A．剪切

B．复制

C．粘贴

D．删除
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