从信息实体中直接抽取未加规范化的能代表该信息主题概念的若干词作为主题标识,称为()
A.主题分析
B.抽词标引
C.赋词标引
D.分类标引
参考答案:B
单词拼写
小题1:The elephant is the national ________ ( 象征) of Thailand .
小题2:The government has promised to take ________ ( 措施) to help the unemployed.
小题3:When did the accident _______. ( 发生)?
小题4:Thousands of people died in the natural ________. (灾害)。
小题5:A ________ ( 沙尘暴) often occurs in Northwest every spring.
小题6:The young painter has exhibited his work in several g________.
小题7:Everyone should set a g________ for his life, work and so on.
小题8:He earns 1,000 yuan a month. His family live on such a small i________.
小题9:Tom’s words c________ me a lot of trouble.
小题10:The film was very f_______. I was scared to death when I was seeing it.
构建学习型组织的五项修炼?