![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
A. arrived I.relatively B.consuming J. remains C.direct K. resources D.exclusively L. staple E. including M. surprising F. inform N. suggest G. raw O. test H.reached They may be ancient “beer-making tools,” and the earliest 29 evidence of beer brewing in China, the researchers reported in the Proceedings of the National Academy of Sciences.