A fragrant scent or a warm hug may contribute as much to meaning as what is seen or heard. This fact illustrates one of five elements involved in communication process－－－－-（）

单项选择题Eye contact shows competence in western cultures whereas, while Asian cultures find too much eye contact disrespectful. This fact illustrates one of five elements involved in communication process－－－－-（）

单项选择题SPSS数据的定位是指按照用户给出的定位条件自动寻找满足条件的第一个数据单元，并设置它为当前数据单元，适用于数据量较大的情况。