每秒钟流过直径为100mm的管道的水为7.85L,则水的流速为() ["1.5m\/s","15m\/s","1.0m\/s","10m\/"]
段内直接寻址方式只改变()寄存器的内容。 ["IP","CS","AX","BX"]
4.2项危险品名称是()。 ["易于自燃的物质","有机过氧化剂","感染性物质","非易燃无毒气体"]
“生长在淤泥中,而不被污泥所污染。”请问该译文是周敦颐的《爱莲说》中哪一句?
强制送风呼吸器使用环境中氧气浓度不得低于多少?() ["0.15","0.2","0.19","0.1"]
欧阳修有个雅号叫“醉翁”,来自《醉翁亭记》,请问是作品中的哪一句?