通过探诊显示最有意义的指标是
A．牙周袋的深度
B．探及龈下牙石
C．袋内溢脓
D．附着水平
E．牙龈退缩
参考答案：D
Jimmy always stays in the _________ because he wants to practise more and become a cook when he grows up.
A．kitchen
B．bedroom
C．balcony
D．sitting room
中位数
