现代公众消费心理主要是谋求社会承认其价值的社会性心理,即()和()。
参考答案:优越性消费心理、自由性消费心理
He prefers _______ indoors _______ out this afternoon. [ ]
A. to stay; to go
B. staying; to going
C. to stay; to going
D. staying; to go
简述称重法的概念、基本方法、优缺点、主要步骤和技术要点。