【单选题】交叉反应的发生是因为
A.
抗体与具有相同或相似的决定基的不同抗原发生结合
【单选题】Both the speaker of a casual conversation and that of a public speech need to __________.
B.
organize their thoughts logically
C.
structure the content highly
【判断题】The context of listening is usually known to both the listener and the speaker in real life . In other words, we know the relationship between the listener and the speaker.
【单选题】A2题型】女33岁,闭经,尿妊娠试验阳性,孕59天流产,主要症状是
【单选题】某科室按照考核结果对护士的工作进行奖惩,并将考核结果与护士的职称晋升相结合,这属于目标管理步骤中的
【单选题】抗体对具有相同或相似决定基的不同抗原的反应称为