There lies lots of controversial questions in the creation and study of biography literature, such as the classification, characteristics, creation method, etc.
传记文学的创作和研究，目前还存在着许多有争议的问题，诸如这一文体的分类、特征和创作方法等。
2
The author raises some questions misguided about the definition and classificationof the cosmetics.
提出了在化妆品定义与分类方面存在的很多误导问题。
3
We put forward a novel question classification hierarchy which is based on answer type and question pattern. It retains the semantic and structured information ofquestions.