问题 单项选择题

电脱水器进出口管线间要有(),防止突然停电或电脱水时损坏时,原油不经脱水器而进入油罐。

A、安全阀

B、泄压阀

C、止回阀

D、旁通阀

答案

参考答案:D

材料分析题

从孟子的“富贵不能淫,威武不能屈”到夏明翰的“砍头不要紧,只要主义真”,从“愚公移山”精神到“载人航天精神”、“劳模精神”,伟大的民族精神成为中 * * 进步的不竭动力。全国人民团结一致,为全面建设小康社会共同奋斗。

(1)根据所学知识,谈谈你对“更高水平的小康社会”的理解:

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                              

(2)列举一位我国古代或近代史上体现伟大民族精神的代表人物和相关史实,谈谈表现出来的民族精神。

                                                                                                                                                              

                                                                                                                                                               

(3)作为中学生,我们应该怎么样为我国全面小康社会的实现而努力奋斗?

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                              

单项选择题