文献包括三个要素,下列不属于文献要素的是()
A、载体
B、知识
C、技术
D、文字图形声音符号等
参考答案:C
John had made up his mind to give it up, but on _________ second thought he determined to have __________ third try.
A./ ; /
B. a; a
C.the; a
D./ ; a
接受别人的名片时,以下哪个表现是不妥的()?
A、双手接过
B、在名片上做标记
C、花几秒钟阅读
D、立即插到口袋里