Teaching and learning _____ greatly from each other —they are two entirely different processes.

A．differ

B．disagree

C．compare

D．transform

反馈会议的信息要注意()。

A.点面结合

B.正负反馈结合

C.会议信息反馈的目的要明确，要看服务对象

D.与会者与列席者结合