关于肠易激综合征临床表现描述错误的是（）
A.可有腹泻
B.腹痛以上腹多见
C.极少睡眠中痛醒
D.可有排便不畅
E.可伴有腹胀
参考答案：B
--- Why don't you try to do exercise to lose weight?
--- I have tried everything but it has made little ______.
A．effect
B．result
C．difference
D．conclusion
有关上颌窦瓦氏位标准片所见的叙述，
错误
A．鸡冠及鼻中隔连线位于照片正中B．两侧眼眶、筛窦、上颌窦对称显示C．岩骨上缘投影于上颌窦正中D．窦腔包括额窦边界，锐利、明确E．岩骨上缘投影于上颌窦下缘
