解微分方程应用问题的第六步是写出模型
A. 对
B. 错
Choose the best alternative to replace the expression in italics.Establish (line 21) a new direction or goal for a group;
A. Make
B. Set
C. Get
Gain the support, cooperation and commitment(line23) of those they need to move in that new direction
A. involvement
B. hostility
C. indifference
Motivate them to overcome obstacles (line 27) in the way of the company's goals
A. objects
B. barriers
C. obsessions