牙周疾病流行特征不包括
A．城乡分布
B．时间分布
C．地区分布
D．年龄分布
E．微生物种群分布
参考答案：E
They have been ____________their neighbours, that is to say, they get along well with their neighbours. [ ]
A. on good term
B. on bad term
C. on good terms
D. on bad terms
归属心经的穴组是
A.神门、大陵
B.通里、少冲
C.少冲、少泽
D.天池、关冲
E.极泉、中冲
