【多选题】以下说法正确的有?( )
A.
信息是被反映事物属性的再现。信息不是事物本身,而是由事物发出的消息、指令、数据等所包含的内容。
B.
知识是人类认识的成果和结晶,是人类在认识和改造世界的社会实践中获得的对事物本质的认识。
C.
情报是人们在一定时间内为一定目的而传递的具有使用价值的知识或信息。
D.
文献是各种知识或信息载体的总称。其由知识信息内容、载体材料和记录方式三要素组成。
【单选题】----是指传递着有特定效用的知识,即被激活的知识。
【简答题】校正电车线导线面,消除导线扭曲的工具为电车线()
【单选题】His story is ____ his own experience when he was studying in Harvard University. [ ]
【单选题】His new novel is _____ his own experience when he was studying in Harvard University. [ ]
【单选题】下列实验可作为血吸虫活动性感染的依据的是()
【单选题】His attitude toward social welfare legislation, based entirely on his perception of himself as a self-made man, ______ him the support of the voters in the state's economically depressed.