1·This paper questions the validity of the claim that intra-sentential cataphoric reference is unidirectional.
本文对“句内后照应单向性”论点的有效性提出质疑。
2·This paper questions the validity of the claim that "intra-sentential cataphoric reference is unidirectional".
本文对“句内后照应单向性”这一论点的有效性提出质疑。
3·This paper questions the validity of the claim that intra-sentential cataphoric reference is unidirectional , made in Zhao Hong & Shao Zhihong (2002).
本文对赵宏和邵志洪（2 0 0 2 ）“句内后照应单向性”论点的有效性提出质疑。