问题 单项选择题

仪表设备使用24VDC电源的电压,其电压范围不超过()。

A.土1%;

B.土3%;

C.土5%;

D.土l0%

答案

参考答案:C

阅读理解与欣赏

简答题。(5分)(两题选做其中一题)

(1)“河北醉归,怒斩曹瞒六将;江南赴宴,笑倾鲁肃三杯。”请说出这副对联所称赞的人物,并简述对联中所写的事情。(5分)

答:                                                                       

                                                                            

                                                                            

                                                                            

(2)《三国演义》第五十五回:周瑜急急下得船时,岸上军士齐声大叫曰:“周郎妙计安天下,赔了夫人又折兵!”周郎的“妙计”是什么?又为何“陪了夫人又折兵”?请简要叙述。(5分)

答:                                                                       

                                                                           

                                                                            

                                                                           

                                                                         

填空题