题型:问答题 According to Aristotle, we are we repeatedly do. Excellence then, is not an act, but a habit. A.whichB.when C.whereD.what 查看答案
题型:问答题 两台机床加工同样的零件,第一台出废品的概率是2%,第二台出废品的概率是3%,两台机床加工出来的零件放在一起,且已知第一台加工的零件比第二台加工的零件多1倍,则:任取一零件是合格品的概率是()。A.0.435B.0.980C.0.977D.0.825 查看答案