【单选题】I can't go--for one thing, I have no money, and ________, I have too much work.
【判断题】(5) 刀具总切削力与工件切削力大小相等。( )
【单选题】Money is a needful and precious thing, and when ______, a noble thing, but I never want you to think it is the first or only prize to strive for. [ ]
【单选题】The most important thing _______ we should pay attention to is the first thing ________ I have said.
【单选题】Believe it or not, I am sure that is _______ people call the sixth sense.
【判断题】刀具总切削力与工件切削抗力大小相等。( )
【单选题】I think it’s unusual thing.
【判断题】工件抵抗切削的总切削力F′与切削时刀具对工件的总切削力F是一对作用与反作用力,它们大小相等、方向相反,分别作用在工件上。
【简答题】____ it is a good thing I did not get the post I hadapplied for, though I must admit that I was disappointed at the time. A. By the way B. In a way C.In the way D. In no way
【判断题】断路器失灵保护是一种近后备保护,当元件断路器拒动时,该保护动作隔离故障点。