以控制点作测站，将周围的地物、地貌的特征点测出，再绘成图，又称为（）
A.碎部测量
B.整体测量
C.控制测量
D.小区测量
参考答案：A
How many times have you _______ from your penfriend since last year? [ ]
A. heard
B. received
C. got
D. written
试述媒介公共关系的意义？
