The dictionary is ______: many words have been added to the language since it was published.  

已知$a={\pi }^{\frac{1}{3}},b={\log }_{\pi }3,c=\ln \left(\sqrt{3}-1\right)$则a,b,c的大小关系是(     )

根据下列信息推断，荣誉军人王强伤于（    ）

想一想，填一填。

  计算36-4时，想：先算个位的6-4=____，再算30+____=____．

  计算55-30时，想：先算十位的50-30=____，再算____+____=____。