下列关于社会工作领域的扩展说法错误的是（）。

71 There are hard causes of conflict (e.g. conflicting schedules) and soft causes. Soft causes are as important as hard causes. Soft causes include diversity of disciplinary expertise, _____, and the project manager's power of reward and punishment.

A. Performance tradeoffs

B. Ambiguity of roles

C. Administrative procedures

D. Determining earned value

The passage suggests that in for-profit organizations ______ .

A．there is no end of conflict

B．expression of different opinions is encouraged

C．decisions must be justifiable

D．success lies in general agreement

One of the major causes of student suicide is

A．poor health.

B．lack of goals.

C．economic hardship.

D．college professor's expectations.

A．attribute

B．contribute

C．distribute

D．substitute

A．brought

B．owes to

C．causes

D．comes up with

A．account for

B．rule out

C．guard against

D．do with

A．It is counter-productive.

B．It causes conflict in a company.

C．It leads to changes in work patterns.

D．It makes the main points more difficult to identify.

A.It is counter-productive. "

B.It causes conflict in a company.

C.It leads to changes in work patterns.

D.It makes the main points more difficult to identify.