专门为客户提供公共关系服务的专业机构是()
A.公共关系部门
B.公共关系公司
C.公共关系协会
D.公共关系学会
参考答案:B
He went back to the hall to try his ________ at finding his lost gold watch, but never found it.[ ]
A. fortune
B. best
C. result
D. hard
肩部的最高点为()
A.喙突
B.肩峰
C.关节盂
D.肱骨头
E.大结节