楚国出名的令尹子文、子玉都是出自楚国哪个大家族?
下列()传感器可以作为非接触式测量。 ["涡电流式","可变磁阻式","金属电阻应变片","面积变化型电容传感器","变介电常数型","变极距型电容传感器"]
决定本人与代理人之间的内部关系的合同包括() ["保险合同","委任合同","雇佣合同","合伙合同","经济合同"]
下列取代基为强吸电子基是()。 ["A.NO2<\/sub> ","B.CN ","C.H2<\/sub> ","D.C6<\/sub>H5<\/sub>"]
在国际货物买卖合同中,与货物有关的单据包括() ["提单","保险单","品质检验证书","商业发票","质量检查单"]
战国时期秦国相国范雎的封地,曾经是哪个春秋古国的故地?