无砟轨道支承层混凝土初凝前,应对支承层表面进行纵向()处理。
参考答案:拉毛
Sandy didn’t tell her parents when to go home because she wanted to give them a _________.
A.gift
B.call
C.surprise
D.note
肝硬化患者近日发热,全腹压痛,抽出腹水混浊。为有效合理治疗,应尽快采取的措施为
A.血培养
B.腹水培养
C.腹水涂片染色查细菌
D.抗生素早期联合应用