+;-;-;-;-(或+);+;-;-;+
Crohn病
A.X线钡剂灌肠示结肠呈铅管征B.X线钡剂灌肠示回盲部钡影跳跃C.X线钡剂灌肠示盲肠充盈缺损、肠腔狭窄D.X线钡剂灌肠示回肠末端线样征
Ireland lies ______ the northwest of Europe and _____the west coast of Great Britain.
A.in; off
B.to, on
C.in, across
D.to, off