Lìshǐ / kè / shàng / lǎoshī / jiǎng / dào / le / Kòu / Zhǔn / zhìlǐ / Huánghé / de / gùshi历史课上,老师讲到了寇准治理黄河的故事。In history class, the teacher talked about Kou Zhun's work to control the Yellow River.