员工转系转型阶段产生影响的主要理论有（ ）。
A.科学管理理论
B.行为科学理论
C.企业文化理论
D.人力资本理论
E.社会交换理论
正确答案是BDE
Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
It is advisable to take a(n) （ ）approach to new ideas. (mind, open)
