下列选项中，关于职业道德与人是事业成功的关系的正确论述是()。
A. 职业道德是人事业成功的重要条件
B. 职业道德水平高的人肯定能够取得事业的成功
C. 缺乏职业道德的人更容易获得事业的成功
D. 人的事业成功与否与职业道德无关
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The frequency of an alternator at a given RPM is determined by the ______.
A. number of turns of wire in the armature(电枢) coil
B. number of magnetic poles
C. strength of the magnets used
D. output voltage
Stern tube and strut(支柱) bearings lined with hardwood or rubber composition materials are lubricated with______.
A. saltwater
B. graphite(石墨)
C. light lubricating oil
D. heavy lubricating oil
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