True: Clay tablets were heavy., Papyrus was difficult to make., Five thosand years ago ,there was no paper., Only rich people used papyrus., Papyrus was expensive., People used papyrus many times., False: Clay tablets were light., Papyrus was easy to make., Five thosand years ago,there was a lot of paper., All people used papyrus., Papyrus was not expensive., People used papyrus only one time.,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?