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【判断题】
( )熔化极气体保护焊焊机,通常都安装成直流反接,可获得较大的熔深和生产效率,需将正极与送丝机连接,负极接工件。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】在管理人力资源时，“对未来行为的最佳预测物是过去的行为”这句老话如何指导你的活动?
【简答题】成功在于勤奋，这句话很正确。
【单选题】Why don't you bring ____ to his attention that you're too ill to work on? [ ]
A.
that
B.
it
C.
this
D.
him
【单选题】Why don't you bring _____ to his attention that you are too busy to do it? [ ]
A.
that
B.
it
C.
his
D.
him
【单选题】汽车发电机正常运转时在给车上的蓄电池充电,此时的给电池充电的方法属于哪种?
A.
定电流充电法
B.
定电压充电法
C.
快速充电法
D.
既是定电流法充电，也属于定电压法充电。
【单选题】Why don't you bring ________ to his attention that you are too busy to go skating with him? [ ]
A.
one
B.
that
C.
it
D.
yourself
【单选题】Why don't you bring _____ to his attention that you are too busy to do it? [ ]
A.
this
B.
that
C.
what
D.
it
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