【单选题】测定HIV抗体确诊HIV感染常用的方法是( )
【单选题】测定 HIV 抗体确诊 HIV 感染常用的方法是
【判断题】对下班前办理业务的客户,柜员不能拒绝、不能急躁要认真受理。
【单选题】The girl was ______ a shop assistant she is now a manager in a large department store.
【单选题】The girl was ______ a shop assistant she is now a manager in a large department store.