大气压力作用与哪个因素密切相关()
A.基托面积
B.牙槽嵴形态
C.边缘封闭
D.唾液质量
E.黏膜厚度
参考答案:C
It is impossible to cooperate with a person ________ methods are completely opposed to your own.
A.who
B.whom
C.whose
D.whoever
社区获得性肺炎最常见的病原菌是
A.病毒
B.葡萄球菌
C.革兰阴性杆菌
D.支原体
E.肺炎球菌