In April 199.8. a questionnaire designed for ( ) response was mailed to all members with an accompanying letter inviting participation in the survey.
A.anonymous B.optimistic C.methodological D.enormous正确答案A
In April 199.8. a questionnaire designed for ( ) response was mailed to all members with an accompanying letter inviting participation in the survey.
A.anonymous B.optimistic C.methodological D.enormous正确答案A