A person's ________ consist(s) of all the groups that have a direct (face-to-face) or indirect influence on his/her attitudes or behavior.
A. subculture
B. family
C. social class
D. reference groups
E. social networks
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玄参具有的功效是
A. 活血祛瘀
B. 清热凉血
C. 两者均是
D. 两者均非
牡丹皮具有的功效是
A. 活血祛瘀
B. 清热凉血
C. 两者均是
D. 两者均非
Jason writes a weekly column in his school's newspaper about movies he has seen, books he has read, and concerts he has attended. His column provides information and opinions. Feedback from his fellow students is positive, and they are appreciative of the advice that is given. Which of the following would be the most apt(恰当的) description of the role played by Jason?
A. silent majority
B. protestor
C. protector
D. adapter
E. opinion leader
赤芍具有的功效是
A. 活血祛瘀
B. 清热凉血
C. 两者均是
D. 两者均非