学生的态度与道德行为在很大程度上受到他们所归属的______的行为准则和风气影响。
参考答案：同伴群体
活血酒1功效与作用
The kinked demand model assumes that at prices above the current price, the demand curve becomes:（）
A. more elastic because competitors will increase their prices.
B. less elastic because competitors will not increase their prices.
C. more elastic because competitors will not increase their prices.
