腹部X线侧位片上，肾结石可表现（）。
A.与脊柱影重叠
B.位于脊柱影前方
C.位于脊柱影后方
D.在椎间隙内
E.与髂骨重叠
参考答案：A
--- Mum, what are you doing?
---Your uncle will come; I put a(an) ________ plate on the dinning table.
A．more
B．extra
C．another
D．few
