绝大多数国家的医疗保险采用______。
A.政府与被保险人共同负担B.雇主与政府共同负担C.被保险人全部负担D.雇主与被保险人共同负担
参考答案:D
与牙周炎关系密切的全身因素是()
A.白细胞数目略增高
B.白细胞趋化功能缺陷
C.单核细胞数目略增高
D.转氨酶水平升高
E.血压不稳定
--- Why were you late for the class, Jenny?
--- Oh, my clock must be running slow, and it needs ____.
A.suiting
B.adapting
C.fitting
D.adjusting