绝缘油含气量检测（气相色谱法），恒温定时振荡器的振幅应为（）mm正负3mm。 ["A.25","B.30","C.35","D.40"]
对穿越铁路、公路、河流、干遭及人口密集区的管道焊口，应进行（）%探伤。 ["10","15","30","100"]
CHD602LC读卡锁的维根接口最远传输距离（） ["120米","60米","30米","15米"]
Do you know what were the（）books in America last year? ["best-sold","best-sell","best-sale","best-selling"]
（）属于掘进顶板管理特殊地段。 ["过地质构造带","贯通","过冒落带","揭穿煤","拨门"]
文学作品三国演义中是谁邀请关羽单刀赴会的？
