生地黄具有的功效是
A. 活血祛瘀
B. 清热凉血
C. 两者均是
D. 两者均非
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
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