思考的()是创新思维的重要品质。 ["概括性","目标性","独立性和批判性","逻辑性"]
业余无线电通信常用缩语“73”的意思是() ["再见","向对方的致意、美好的祝愿","希望下次再见","谢谢你"]
汇票
公共关系部的主要特点是() ["领导性","专业性","服务性","指挥性","协同性"]
冷(热)水系统的清洗工作,属封闭式的循环清洗,应该() ["A.每1~2h排水一次,反复3次 ","B.每2~3h排水一次,反复3次 ","C.每2~3h排水一次,反复多次,直至水质清洁为止 ","D.每1~2h排水一次,反复多次,直至水质清洁为止"]
金文文献