问题 判断题

三相全控桥SCR元件的关断是因为触发脉冲消失。

答案

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材料分析题

深夜,歹徒在路上侵犯一个女青年,被一位男青年看到。男青年奋不顾身与歹徒搏斗,被歹徒刺成了重伤。歹徒逃跑了,那位女青年既没有采取措施救助男青年,也没有报警,竟然悄悄地走了。那位男青年终因失血过多而死去

(1)对于男青年的行为,你是任何评价的 

                                                                                                                                                               

                                                                                                                                                               

(2)对于女青年的行为,你是任何评价的 

                                                                                                                                                                

                                                                                                                                                               

(3)对于歹徒的行为,你是任何评价的

                                                                                                                                                             

                                                                                                                                                             

单项选择题