用于基牙前后均有缺隙的孤立前磨牙或磨牙上的固位体应是
A．环形卡环B．单臂卡环C．间隙卡环D．杆式卡环E．对半卡环
参考答案：E
Shanghai is bigger than _______in Jiangsu and bigger than _______in China.
A．any city; any city
B．any city; any other city
C．any other city; the other cities
D．any other city; any city
患者49岁，月经紊乱，提前量少，经色鲜红；头晕目眩，耳鸣，阵发性烘热，汗出，五心烦热，腰膝酸疼，足跟疼痛，皮肤干燥、瘙痒，口干便结，尿少色黄；舌红，少苔，脉细数。应首先考虑的诊断是（）
A.月经先期
B.经行情志异常
C.绝经前后诸证
D.月经量少
E.崩漏
