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铅蓄电池型号6—QA—100表示什么意思？

答案

参考答案：

铅蓄电池型号6—QA—100表示有6个单格电池，即名义电压为12V，额定容量为100A•h，（起动用）干荷电型蓄电池。

单项选择题

属于钻井施工作业的为（）。

A、定井位

B、试压

C、测井

D、钻进
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单项选择题

Some United States psychologists have concluded that one specific set of parental behaviors toward children always signifies acceptance and a second set always signifies rejection, for there is remarkable agreement among investigators about the maternal behaviors designated as indicative of these parental attitudes.
The conclusion of the psychologists mentioned above logically depends on the assumption that

A．most maternal behaviors have been interpreted as conveying either acceptance or rejection.

B．the maternal behaviors indicating acceptance or rejection are exhibited by fathers as well.

C．the behaviors of fathers toward children have been studied as carefully as have the behaviors of mothers.

D．acceptance and rejection are the easiest to recognize of all parental behaviors.

E．(E) parental attitudes are best conveyed through behaviors that the parents have consciously agreed on.
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