If you want to see the chairman of the department, you’d better make an _________ with his secretary first.

A．assumption

B．appointment

C．agreement

D．admission

WHO对于健康的定义是（）

A.免于疾病困扰

B.免于不良情绪对心理的困扰

C.身体健康，心理健康

D.没有疾病或不虚弱

E.身体健康，心理健康，社会适应的完美状态