- They may be ancient "beer-making tools", and the earliest direct evidence of beer brewing in China, the researchers reported in the Proceedings of the National Academy of Sciences.
2017年6月四級真題（第一套）閱讀 Section A
- Terrie Moffitt's paper on "The link Between Childhood Self-control and Adult Status Decades Later" is published in the Proceedings of the National Academy of Sciences.
2016年6月六級真題（第一套）聽力 Section C
- That is what a study, published from the University of California and Yale University in the Proceedings of the National Academy of Sciences, has concluded.
2015年考研真題（英語一）完形填空 Section Ⅰ