公共关系的特点不包括（）。

A.注重长期效应

B.注重培植效益

C.注重双向沟通

D.注重间接促销

单句改错。

(     )1. Please call Mike in 563-758. __________

                      A           B

(     )2. Does his father plays tennis every day? ___________ 

             A                    B

(     )3. Is this a ID card, Sonia?  ___________

           A        B       C

(     )4. He is a school boy. He name is Han Yang.  ___________

                   A                   B          C

(     )5. Those thing are my sister's.  ___________

                        A    B           C