【单选题】病人感到脑内有一个“智囊团”,还会听到智囊团告诉自己什么是该做的,什么是不该做的,这种症状叫( )。
【单选题】已知供血者为多次B型献血员,受血者鉴定为B型,在进行交叉配血试验结果如下:受血清+供血者血球(+),受血者血球+供血者血清(-),受血者的血型最可能为:
【单选题】Flying kites, ______ some researchers point out, can not only bring about joy to us, but also promote our physical and mental health.
【单选题】Little joy can equal ____ of a surprising ending when you read stories.