小肠系膜扭转腹平片的X线影像特征是（）
A.空回肠换位征
B.阶梯状液平
C.跳跃征
D.激惹征
E.咖啡豆征
参考答案：A
Questions 1-4
What reason does the man give to deny the existence of a living monster in Loch Ness？（）
A．No one has provided an accurate description of the animal.
B．No dead bodies of the animal have ever been found.
C．There are only 500 species living in Loch Ness.
D．The lake is not deep enough for such a huge animal.
以下不会导致“但头汗出”的是
A．上焦邪热郁蒸
B．中焦湿热上蒸
C．久病伴随阳泄
D．病危虚阳上越
E．阳虚不能固表
