【单选题】What is the first thing Tim Berners-Lee has to do before establishing the smarter Web?
A.
To set up standards for all Internet users.
B.
To add descriptive tags or 'metadata'.
C.
To find the proper methods for the Web.
D.
To relate to metadata from various Web sites.
【单选题】临床上常使用生理盐水的规格是0.5L,生理盐水中含有氯化钠(NaCl)4.5克,生理盐水的质量浓度是
【多选题】企业审核单据的标准为“四相符”,即( )
【单选题】World Wide Web was invented in 1991 by English scientist ,Tim Burners-lee.
【判断题】操作系统是人机对话的接口,用户通过他才能使用计算机。
【单选题】胚胎期易于诱导免疫耐受,其原因是 ( )