问题 判断题

在晶闸管直流调速系统中,直流电动机的转矩与电枢电正比,与主电路的电流有效值成反比。

答案

参考答案:

材料题

阅读下列材料

材料一:“若带来,一经查出,货尽收官,人即正法”

材料二:“若鸦片一日未绝,本大臣一日不回,誓与此事相始终,断无中止之理”

请回答:

1、 材料一中“货”指什么?“人”指谁?

                                                                                                                                                            

 2、 材料二中的“本大臣”指谁?“此事”指何事?

                                                                                                                                                            

3、 材料二表现了“本大臣”的什么态度?对“本大臣”应如何评价?

                                                                                                                                                             

                                                                                                                                                             

问答题