lì / shǐ / kè / shàng / lǎo / shī / jiǎng / dào / le / Bā / jiě / zǔ / zhī / de / chéng / lì / hé / fā / zhǎn历史课上,老师讲到了巴解组织的成立和发展。In history class, the teacher discussed the founding and development of the PLO.