B超对哪种结石诊断正确率高
A．胆总管结石
B．胆囊结石
C．肾结石
D．胰腺结石
E．肝内胆管结石
参考答案：B
My book was here a second ago but now it's missing. Someone ________ a joke on me.[ ]
A. must be playing
B. must play
C. can't have played
D. can't play
Kennedy牙列缺损分类法分几类
A．5类
B．2类
C．4类
D．6类
E．3类
