流行性腮腺炎病毒主要以飞沫传播为主，人对流行性腮腺炎普遍易感，全年都有发病，冬春季高发。
参考答案：对
Lily: Jenny: Fine, thanks.[ ]
A. Who are you?
B. What's your name?
C. How are you?
D. Glad to meet you.
指关节梭形肿胀常见于下列哪种风湿病
A．类风湿关节炎B．系统性红斑狼疮C．银屑病关节炎D．骨关节炎E．强直性脊柱炎
