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【单选题】
When shall the stand-on vessel change course and speed?A.
The stand-on vessel may change course and speed at any time as she has the right-of- way.
B.
After the give-way vessel sounds one blast in a crossing situation.
C.
When action by the give-way vessel alone cannot prevent collision.
D.
When the two vessels become less than half a mile apart.
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【简答题】已知函数f（x）=mx+xlnx，曲线y=f（x）在点（1，f（1））处的切线l与直线x+2y=1垂直． （1）求直线l的方程； （2）若n（2x-1）＜f（x）对任意 x＞ 1 2 恒成立，求实数n的取值范围； （3）当b＞a＞1时，证明（ab 2b ） n ＞（ba 2a ） b ．
【简答题】dis _____ v. 布置
【单选题】The primary difference between profit centers and cost centers is that:
A.
Profit centers generate revenue.
B.
Cost centers incur costs.
C.
Profit centers are evaluated using return on investment criteria.
D.
Profit centers provide services to other centers in the organization.
【单选题】在API分类中，液力传动油的牌号有( )。
A.
PTF-1、PTF-2和PTF-3
B.
L-1、L-2和L-3
C.
F-1、F-2和F-3
D.
Y-1、Y-2 和Y-3
【简答题】计划职能的基本程序是什么?
【简答题】计划职能的基本程序是什么？
【单选题】Managers in profit centers are responsible for controlling ________ and ________.
A.
costs; invested capital
B.
revenues; invested capital
C.
revenues; costs
D.
expenses; invested capital
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