下列哪项属于肠梗阻的基本CT征象？（） A.肠管显著扩张，其内可_爱下问搜题

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问题单项选择题

下列哪项属于肠梗阻的基本CT征象？（）

A.肠管显著扩张，其内可见气液平面

B.可见"U"形肠袢

C.可见"鸟嘴征"

D.假肿瘤征

E.肠管呈分层状改变

答案

参考答案：A

选择题

— did you go to Yunnan?

—Three years ago.[ ]

A. When

B. Where

C. What

选择题

(2014·山西省六所重点中学模拟)—Believe it or not，my sister and I are twins.

—Oh，you must have had the case________you were taken for your sister.

A．which　

B．whose

C．where　

D．whom