问题 单项选择题

在高压电路中,用于接通和断开负荷电流和短路电流的电气设备是()。

A.避雷器

B.隔离开关

C.断路器

D.漏电保护开关

答案

参考答案:C

观察下列关于反映中日关系的图片,结合图片提供的信息回答问题:

图1 1895年4月日本马关
图2 1946年,远东国际军事法庭审判日军甲级战犯

请回答:  (1)图片反映的是,在中国近代史上日本曾两次大规模侵略中国。请写出每次战争的起止时间及结果。                                                                                                                                                                                                                                                                                                                               (2)造成图1、图2两种不同场景的主要原因是什么?                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             (3)请结合史实写下你的感悟。                                                                                                                                                              

多项选择题