领导艺术与权术的根本*区别是动机与目的不同。
参考答案:对
A.R1>R2
B.R1<R2
C.R1=R2
D.条件不足,无法判断
I was halfway back to the hospital where the doctor was working______Susan caught up with me.
A.when B.while C.until D.though